CA2186904A1 - Removal aids for adhesively secured absorbent articles - Google Patents
Removal aids for adhesively secured absorbent articlesInfo
- Publication number
- CA2186904A1 CA2186904A1 CA002186904A CA2186904A CA2186904A1 CA 2186904 A1 CA2186904 A1 CA 2186904A1 CA 002186904 A CA002186904 A CA 002186904A CA 2186904 A CA2186904 A CA 2186904A CA 2186904 A1 CA2186904 A1 CA 2186904A1
- Authority
- CA
- Canada
- Prior art keywords
- absorbent article
- secured
- baffle
- absorbent
- cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/56—Supporting or fastening means
- A61F13/5605—Supporting or fastening means specially adapted for sanitary napkins or the like
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/56—Supporting or fastening means
- A61F13/66—Garments, holders or supports not integral with absorbent pads
- A61F13/82—Garments, holders or supports not integral with absorbent pads with means for attaching to the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/84—Accessories, not otherwise provided for, for absorbent pads
Abstract
The present invention relates to an absorbent article adapted to be secured to awearer's body. The absorbent article has a cover disposed toward the bodyfacingsurface and a baffle disposed toward the undergarment-facing surface. Positioned between the cover and the baffle is an absorbent material. An adhesive is secured to the bodyfacing surface to hold the absorbent article in intimate contact with the wearer during use. The absorbent article further includes a detaching device for disengaging the absorbent article from the wearer's body when removal is desired. The detaching device, which may have a portion thereof elastomeric, includes a separate strip of material having spaced apart ends. The ends are secured ends to at least one surface of the absorbent article, i.e., the bodyfacing surface, garment-facing surface or both. The medial portion of the strip is unattached forming an open area between the baffle and the separate strip material for grasping and hygienically removing the absorbent article.
Description
~1 ~6904 -REMOVAL AIDS FOR ADHESIVELY SECURED ABSORBENT ARTICLES
BACKGROUND OF THE INVENTION
The present invention relates to the field of d;sposAble absorbent articles adarted to be secured to a portion of a wearer's body and utilized for the absorption and containment of body fluids such as menstrual fluid, urine and other body ~ud~tes. More particularly, the present invention relates to removal aids for coi"fo,lably disengaging the .!isposAhle absorbent article from the weare~s body.
n;SposA~le absorbent articles for the absorption and containment of urine, menses and other body exlldates are generally known in the art. Such d is,ces-Mearticles have found particular utility in the fields of infant, child, feminine and adult inconlinence hygiene. In the area of feminine care, such disposAI le absorbent articles have been commercialized in two basic types, the tampon and the sanitary napkin. For the purposes described herein, sanitary napkins includes thin absorbent devices such as a panty liner and an inlerlabial device, which may have an absorbency of just a few grams, to the larger maxi and ovemight pad designed for absorbing a much greaterquantity of body fluids. Present sanitary napkins are unitary, preshaped and pref~lded and may be individually packaged for discreteness and hygienic purposes. Their construction is comprised of a liquid permeable, bodyside cover; a liquid-impermeable, ga""ent-facing bafffle and an absorbent positioned between the cover and the baffle.
The sanitary napkin also may include an adhesive disposed on the garment-facing surface of the baffle to secure the sanitary napkin in the crotch region of the wearer's undergarment.
~ 186~4 After the sanitary napkin is soiled, it is removed and discarded. Removing a sanitary napkin secured to the undergarment usually involves stripping the sanitary napkin from the crotch area of the undergarment. However, if the sanitary napkin has become adhered to the wearer the sanitary napkin may pull the pubic hair and tissue 5 from the person as it is being removed, causing, in most cases, an extreme amount of discomfort.
A sa~ napkin is disclosed in the patent application having U.S. Serial Number 08/167,597 filed on December 14, 1993, which utilizes a body adhesive to secure the sanitary napkin to the wearer's body. To remove this sal~il~ napkin, the 10 wearer usually grasps an exposed edge of the ~al~il~y napkin and pulls dowllw~rd.
Depending upon the location of the adhesive, grasping an edge may be difficult. The adhesive may also have body fluids, such as menses or other fluids coating its surface.
Desirably, the wearer wants to avoid cont~ctin~ the body excretions to prevent soiling her hands and possibly her clothing. Touching the adhesive may also block that portion of the adhesive, lessening the adhesive skength for ~ g the sal~il~y napkin against the body if reapplied.
Therefore, there is a need for a means to comfo, lably and hygienically remove such an absorbent article from the weare~s body without soiling the person or their 20 clothing.
SUMMARY OF THE INVENTION
Briefly, the present invention relates to an absorbent article adP/rted to be secured to a wearer's body. The absorbent article has a liquid-permeable, bodyfacing 25 surface and a liquid-impermeable, garment-facing surface. rositioned between the bodyfadng surface and the garment-facing surface is an absorbent malerial. An adhesive is secured to the bodyfacing surface to hold the absorbent article in intimate contact with the wearer during use. The absorbent article further includes a detaching device for disengaging the absorbent article from the wearer's body when removal is 30 desired. The detaching device includes a separate strip of material having spaced apart ends. The ends are secured to at least one surface of the absorbent article, i.e., the .bodyfacing surface, garment-facing surface or both. The medial portion of the strip is unattached forming an open area between the gamment-facing surface and the stripmaterial. The medial portion is utilized for grasping and removing the absorbent article.
35 UnQ~(rectedly, it has been discovered that removal of the absorbent artide can be 21~69~4 simplified if the force applied to remove the absorbent article is initially at a proper angle relaUve to the weare~s body and the adhesive on the pad. The detaching device aids the wearer in comfortably removing the absorbent article by initially establishing the proper angle, alpha (a), between the body of the wearer and the adhesive.
Thus, the present invention seeks to provide a removal aid for comfortably det~rllin~ an adhesively secured absorbent article from a wearer's body. More specifically, the invention provides a removal aid on the absorbent article thatpermits the wearer to remove it with one hand.
The present invention provides a sallil~y napkin which is adhesively secured to the body and which incorporates a ~l~t~hin~ device positioned on the baffle for protecting the user from contacting body fluids when removing the ~allil~y napkin.
The invention will be more readily a~a~ l when considered in reference to the following description when taken in conjunction with the accolllp~lyil~g 1 5 drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
Fig. 1 is a top view of an absoi ~ent article which may be secured to the wearer's body dunng use.
Fig. 2 is a cross-sectional view of Fig. 1 taken along line 2-2.
Fig. 3 is a bottom view of the absorbent article illustrating the detaching means of the invention.
Fig. 4 is a bottom view of an absorbent article illuslraling an altemative embodiment of the detaching means of the invention.
Fig. 5 is a perspective view of another embodiment of an absorbent article of the invention.
Fig. 6 is a cross-sectional view taken along line 6~ of Fig. 5.
Fig. 7 is a side view of the sanitary napkin illustrating an angle alpha formed betv/ecn the wearer and the surface of the sanitary napkin when the sanitary napkin is being removed.
DETAILED DESCRIPTION OF THE PREFERRED EMBOI~IMENT
The present invention relates generally to a ~ispss~'le absorbent article which is secured to a wearer's body by a pressure sensitive body adhesive. For convenience of descripUon only, the invenUon will be described as a catamenial device, i.e. a sanitary 2~8~904 napkin, but is not limited thereto. It is to be understood that the invention may be ad~rted for use in other absorbent articles such as diapers, inconlinent devices, adhesive bandages and the like which incorporate some means for adhesively adhering the absorbent article to at least a portion of a wearer's body.
For ease of understanding, when referring to the Figures, the same numeral designates the same part in the difrerenl views and embodiments. Refe"i,)g to Figures 1 and 2, an embodiment of a sanitary napkin 10 is shown. The sanitary napkin 10 typically includes a fluid-permeable, bodyfacing surface 12; a fluid-impermeable, gamment-facing surface 14; an absorbent 16 disposed betv.~ecn the bodyfacing surface 12 and thegarment-facing surface 14; and an adhesive 18 secured to the bodyfacing surface 12 for adhering the sanitary napkin 10 to a wearer's body during use. A detaching device 20, partially illustrated in Fig. 2, is afffixed to the sanitary napkin 10 to provide an easy means for comro, lably disengaging the sanitary napkin 10 from the wearer's body. The sanitary napkin 10 can also include a peel strip, not shown, overlying the adhesive 18 to prevent the adhesive from becoming contaminated and/or prematurely adhering to an unintended surface. Suitable ,nalerials for use as a peel strip are cGI~mer~ially available from a number of sources.
As illustrated, the sanitary napkin 10 has a racetrack shape, but is not limitedthereto. It can also be hourglass, oval or any other configuration that will allow the sanitary napkin 10 to come into inli",ale contact with the wearer. As used herein, the term "sanitary napkin" refers to an article which is worn by females a~jacenl to the pudendal region and which is intended to absorb and contain various ~YudAtes which are discharged from the body such as blood, menses, and urine, and which is intended to be discarded when soiled, not laundered and reused. Interlabial devices which reside partially within and partially extemal of the female wearer's vestih~ ~'e are also within the scope of this imention.
Refe"i"g to Fig. 2, the bodyfacing surface 12 is generally integral to and Associated with one surface of a cover 22 and the undergar",ent-facing surface 14 is generally integral to and asso~i~ted with one surface of a baffle 24. The cover 22 and baffle 24 can have a length and a width dimension extending beyond an absorbent edge 26 in a contiguous relalionship and are sealed together to define a periphery 28 of the sanitary napkin 10. The portion from the absorbent edge 26 to the periphery 28 is defined herein as the peripheral seal 30. The absorbent 16 is thereby enclosed between the cover 22 and the baffle 24. The cover 22 and the baffle 24 may be sealed together using any suitable means that will not leave a hard, uncGIllf~l lable residue that may be annoying to the wearer. As used herein, the term "sealed" encompasses configurations whereby the cover 22 is directly joined to baffle 24 and configurations whereby the cover 22 is indirectly joined to the baffle 24 by affixing the cover 22 to an intermediate member, which are in tum affixed to the baffle 24. Methods for attaching the cover 22 5 and baffle 24 are well known to those skilled in the art and include the use of hot melt adhesives, pressure-sensitive adhesives, doub'e sided tape, sonic bonding and heat sealing.
The cover 22 is designed to contact the body of the wearer and ll ~erefor~ should be easily penetrated by body fluids, non-i"italion to the wearelJs skin and preferdbly does 10 not absorb an appreciable amount of fluid. The cover 22 can be constructed of a woven or nonwoven, natural or synthetic material. Suitable ",a~e,ials include bonded carded webs of polyester, polypropylene, polyethylene, nylon, or other heat-bondable fibers.
Other polyolefins, such as copolymers of polypropylene and polyethylene, linear low-density polyethylene, finely-pe, ror~led film webs and net mate, ial, also work well.
- 15 Particularly pr~fel~ed are composite materials of a polymer and a nonwoven fabric material. Still another cover material is a spunbond web of polypropylene. The web can contain about 1% to about 6% titanium dioxide pigment to give it a clean, white appearance. A uniform spunbond material is desirable bec~use it has suffficient strength in the longitudinal direction, even after being pe, rGrated, to resist being tom or pulled 20 apart during use. The most prefer,~d polypropylene webs have a weight of between about 18 and 40 grams per square meter. An optimum weight is bst~ecn about 30 and about 40 grams per square meter.
To aid in the penetration of the liquid through the web, the cover 22 can also be treated with a s~" ractanl to improve its hydrophilic cha~-,lerislics. The su-raclant can 25 include topical additions or intemally applied materials like polysiloxanes.
The baffle 24 acts as a barrier between the absorbed body fluids contained in the absorbent 16 and the person wearing the sanitary napkin 10. Accordingly, the baffne 24 is nonabso,l,ent and is impervious to liquids. The baffle 24 should be soft and co",r' ~nt since a portion of the baffle 24 may reside adjacent the thigh region of the wearer. As 30 used herein, the term "compliant" refers to materials which wi!l readily confo"" to the general extemal shape and contours of the human anatomy. In a preferred embodiment, the baffle 24 may permit the p~ssflge of air or vapor out of the sanitary napkin 10 while blocking the pflssage of liquids from the absorbent 16. A good baffle ",alerial is a micro-emhossed, polymeric film, such as polyethylene or polypropylene. '' ~."ponent films 218~9~4 _ can also be used as well as woven and nonwoven fabrics which have been treated to render them liquid-impermeable. The baffle 24 may also be made from a polyel; "~lene film having a thickness in the range of from about 0.012 mm to about 1.0 mm.
The absorbent 16 is in liquid communication with the bodyfacing surface 12 and is positioned between the bodyfacing surface 12 and the ga(ment-facing surface 14. The term liquid communication" means that body fluid insulting the bodyfacing surface 12 will, subslalllially, be absorbed by the abso,l,ent 16. Referring again to Fig. 2, the cover 22 and the bafffle 24 in combination enclose the abso,L ent 16, subslantially defining the absorbent's perimeter or edge 26. The materials used in the absorbent 16 are designed to absorb body eYudates, including menstrual fluids, blood and urine.
Suitable materials include wood pulp fluff, rayon, cotton and meltblown polymer, such as polyester, polypropylene or coform. Coform is an air-formed combination of meltblown polymers, such as polypropylene, and absorbent staple fibers, such as cellulose. A
preferred " ,alenal is wood fluff, for it is low in cost, rclatively easy to form and has good absorbency. The absorbent 16 may be a composite col"p,ised of a hydrophilic ,naterial that can be formed from various natural or synthetic fibers, wood pulp fibers, regenerated cellulose or cotton fibers, an airlaid tissue or a blend of pulp and other fibers. The absoll~enl16 can be made from otherwell known n,alerials used in absG,bent articles, including multiple layers of cellulose wadding, rayon fibers, cellulose sponge, hydrophilic synthetic sponge, such as polyurethane, and the like. The capacity of the absoil~enl 16 may be varied depending upon the intended usage of the final product.
The sanitary napkin 10 may also include other layers, such as a wicking layer, one or more tissue layers and may contain superabsorbent in combination with one or more other abso,l,ent ",alerials described above, none of which are shown in the Figures.
Such layers and ",alerials are cG"~,ner~ially available from several sources and are well known to those skill in construction of ~ispos~ble abso,bent articles, such as sanitary napkins, diapers and inconlinent devices.
The adhesive 18 is positioned on the bodyfacing surface 12 to contact the wearerand support the sanitary napkin 10 during use. As shown in Fig. 2, the adhesive 18 is adhered to the cover 22. The adhesive 18 can overlie from about 5 percent to about 95 percent of the bodyfacing surface 12. Plt:ferably, the adhesive 18 overlies from about 5 percent to about 75 percent of the bodyfacing surface 12, more preferably, from about 5 percent to about 35 per~enl and most prefer,ed, from about 5 percent to about 20percent of the bodyfacing surface 12. Suitable adhesive nlalerials are ~ 4sed in the 21 869~4 co""~,only assigned patent arp'ication having US Serial Number 08/331,072 filed on October 28, 1994, the entire disrlQs~ ~re of which is incorpordled herein by reference and made a part hereof.
In an altemative configuration not shown, the baffle 24 may overwrap a portion of the cover 22 along the absorbent edge 26 so that a portion of the bodyfacing surface 12 would be cGi"prised of the liquid-permeable cover 22 and a portion would be comprised of the liquid-impermeable bame 24. In this configuraffon, the adhesive 18 may reside on the cover 22, the baffle 24 or both.
Refe"ing to Fig. 3, the sanitary napkin 10 is transversely divided along line Y-Y
into a first portion 32 and a second portion 34 which are substantially equal in size. The detaching device 20 is formed from an elongate strip of n,alerial 36 having a first end 38 and a distally spaced second end 40. The first and second ends 38 and 40 are posilioned in the first and second portions 32 and 34, respectively and are affixed to at least one surface of the sanitary napkin 10. As shown in Fig. 3, the first and second ends 38 and 40 are affixed to the garment-facing surface 14. The first and second ends 38 and 40 can be secured to the sanitary napkin 10 along the penphe,dl seal 30 and desirably, are affixed inward from the peripheral seal 30. A medial yl sF ngportion 42 lies between the first end 38 and the second end 40. The medial grasping portion 42 is unsecured, forming an opening for 9, sF.ng the elongale strip 36. The detaching device 20 provides a means by which the sanitary napkin 10 can be co",f~-lably and hygienically removed. The detaching device 20 also permits the soiled sanitary napkin 10 to be hygienically handled during toileUng and I;SPOSAI
As illustrated in Fig. 3, the elongate strip 36 is secured to the baffle 24 and.is symmetrically aligned along a central longitudinal axis X X of the sanitary napkin 10.
However, the ~'ongate strip 36 is not limited to this configuration. Referring to Fig. 4, the elongate strip 36 can be skewed relative to the longitudinal axis, X-X, the transverse axis Y--Y, or both so that the elongate strip 36 diagonally traverses the length of the sanitary napkin 10. Other configurations, not shown, include using two or more elongale strips secured to at least one of the surfaces 12 and 14 in various patle",s, such as "X
30 or u~are also within the scope of the invention.
The elongale strip 36 may be composed of any malerial that can be affixed to thedesired surface. The elongate strip 36 should have a modulus greater than the peel strength of the adhesive 18 to prevent the elongate strip 36 tearing during removal.
Suitable materials include bonded carded webs of polyester, polypropylene, polyethylene, nylon, or other heat-bondable fibers, polymeric film, such as polyethylene 21 ~6qO4 or polypropylene. Desirably, the material has at a portion that is at partially elasloi"eric permitting the elongate strip 36 to stretch in at least one direction when stressed (pulled) by a force of less than about 1000 grams to a length greater than its length in a relaxed state. P~ferably, the elonga~e strip 36 can stretch to a length greater than about 5 percent than its relaxed state, and more preferably the strip 36 will stretch to a length ranging from about 5 percenl to about 80 per~;enl greater than its relaxed state. The elasticity of the material may be determined by any techi)-~ue that subalantially isolales two ends of a predetermined amount of n,alerial. The isol~'ed ",alenal is pulled with a force up to 1000 grams and the elongation is then measured. By the malerial having elast6n,eric properties, the detaching device 20 can reside sul,slantially nat against the garment-facing surface 14 during use, reducing the likelihood of the sanitary napkin 10 and 100 shifting while being wom and which also allows the wearer to be active without affecting the comfo,l and fit of the sanitary napkin 10 and 100. The term "elastomeric~ as used herein means that the material will stretch when force is applied in at least one direction, preferably along the length, to greater than about 5 percent of its uns~essed state and will retum to sul,slantially its relaxed dimension(s) when the force is removed.
Referring to Figs. 5 and 6, a sanitary napkin 100 is shown which is similar to the sanitary napkin 10 except the cover 22 encloses the absorbent 16 to produce what is know in the art as a wrapped pad. The construction of the wrapped pad is desc,ibed in greater detail in the US Patent 4,200,103 issued on April 29, 1980, the disrlos~ ~re of which is inco",ordted herein by reference and made a part hereof. The first and second ends 38 and 40 of the elongate strip 36 are secured to the cover 22 at any localion that does not substanlially interfere with the ability of the adhesive 18 to support the sanitary napkin 100 during use.
Referring to Fig. 7, the wearer can remove or disengage the sanitary napkin 10 from the body by grasping the grasping portion 42 of the elongate strip 36 and pulling it directionally away from the body. The detaching device 20 distributes the outward removal force, F" along the elongate strip 36, initially directing the removal force Fr so that an acute angle a is formed between the wearer's body, shown in phantom, and the adhesive 18. This allows the first and second portions 32 and 34 to be su~slanlially simultaneously disengaged from the body. Preferably, the detaching device 20 initially directs the outward removal force F, so that the angle a is less than 45 degrees. It has uneYpecte~ly been discovered that by initially directing the removal force in this manner, the sanitary napkin 10 can be co",fo, lably removed from the wearer's body.
2 t ~b~ ~4 The foregoing detailed description has been for the purpose of illust~lion setting forth the preferred embodiment of the invention. Accordingly, a number of modifications and changes may be made without departing from the spirit and scope of the present invention. Therefore, the invention should not be limited by the specific terms employed, 5 but only by the claims.
BACKGROUND OF THE INVENTION
The present invention relates to the field of d;sposAble absorbent articles adarted to be secured to a portion of a wearer's body and utilized for the absorption and containment of body fluids such as menstrual fluid, urine and other body ~ud~tes. More particularly, the present invention relates to removal aids for coi"fo,lably disengaging the .!isposAhle absorbent article from the weare~s body.
n;SposA~le absorbent articles for the absorption and containment of urine, menses and other body exlldates are generally known in the art. Such d is,ces-Mearticles have found particular utility in the fields of infant, child, feminine and adult inconlinence hygiene. In the area of feminine care, such disposAI le absorbent articles have been commercialized in two basic types, the tampon and the sanitary napkin. For the purposes described herein, sanitary napkins includes thin absorbent devices such as a panty liner and an inlerlabial device, which may have an absorbency of just a few grams, to the larger maxi and ovemight pad designed for absorbing a much greaterquantity of body fluids. Present sanitary napkins are unitary, preshaped and pref~lded and may be individually packaged for discreteness and hygienic purposes. Their construction is comprised of a liquid permeable, bodyside cover; a liquid-impermeable, ga""ent-facing bafffle and an absorbent positioned between the cover and the baffle.
The sanitary napkin also may include an adhesive disposed on the garment-facing surface of the baffle to secure the sanitary napkin in the crotch region of the wearer's undergarment.
~ 186~4 After the sanitary napkin is soiled, it is removed and discarded. Removing a sanitary napkin secured to the undergarment usually involves stripping the sanitary napkin from the crotch area of the undergarment. However, if the sanitary napkin has become adhered to the wearer the sanitary napkin may pull the pubic hair and tissue 5 from the person as it is being removed, causing, in most cases, an extreme amount of discomfort.
A sa~ napkin is disclosed in the patent application having U.S. Serial Number 08/167,597 filed on December 14, 1993, which utilizes a body adhesive to secure the sanitary napkin to the wearer's body. To remove this sal~il~ napkin, the 10 wearer usually grasps an exposed edge of the ~al~il~y napkin and pulls dowllw~rd.
Depending upon the location of the adhesive, grasping an edge may be difficult. The adhesive may also have body fluids, such as menses or other fluids coating its surface.
Desirably, the wearer wants to avoid cont~ctin~ the body excretions to prevent soiling her hands and possibly her clothing. Touching the adhesive may also block that portion of the adhesive, lessening the adhesive skength for ~ g the sal~il~y napkin against the body if reapplied.
Therefore, there is a need for a means to comfo, lably and hygienically remove such an absorbent article from the weare~s body without soiling the person or their 20 clothing.
SUMMARY OF THE INVENTION
Briefly, the present invention relates to an absorbent article adP/rted to be secured to a wearer's body. The absorbent article has a liquid-permeable, bodyfacing 25 surface and a liquid-impermeable, garment-facing surface. rositioned between the bodyfadng surface and the garment-facing surface is an absorbent malerial. An adhesive is secured to the bodyfacing surface to hold the absorbent article in intimate contact with the wearer during use. The absorbent article further includes a detaching device for disengaging the absorbent article from the wearer's body when removal is 30 desired. The detaching device includes a separate strip of material having spaced apart ends. The ends are secured to at least one surface of the absorbent article, i.e., the .bodyfacing surface, garment-facing surface or both. The medial portion of the strip is unattached forming an open area between the gamment-facing surface and the stripmaterial. The medial portion is utilized for grasping and removing the absorbent article.
35 UnQ~(rectedly, it has been discovered that removal of the absorbent artide can be 21~69~4 simplified if the force applied to remove the absorbent article is initially at a proper angle relaUve to the weare~s body and the adhesive on the pad. The detaching device aids the wearer in comfortably removing the absorbent article by initially establishing the proper angle, alpha (a), between the body of the wearer and the adhesive.
Thus, the present invention seeks to provide a removal aid for comfortably det~rllin~ an adhesively secured absorbent article from a wearer's body. More specifically, the invention provides a removal aid on the absorbent article thatpermits the wearer to remove it with one hand.
The present invention provides a sallil~y napkin which is adhesively secured to the body and which incorporates a ~l~t~hin~ device positioned on the baffle for protecting the user from contacting body fluids when removing the ~allil~y napkin.
The invention will be more readily a~a~ l when considered in reference to the following description when taken in conjunction with the accolllp~lyil~g 1 5 drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
Fig. 1 is a top view of an absoi ~ent article which may be secured to the wearer's body dunng use.
Fig. 2 is a cross-sectional view of Fig. 1 taken along line 2-2.
Fig. 3 is a bottom view of the absorbent article illustrating the detaching means of the invention.
Fig. 4 is a bottom view of an absorbent article illuslraling an altemative embodiment of the detaching means of the invention.
Fig. 5 is a perspective view of another embodiment of an absorbent article of the invention.
Fig. 6 is a cross-sectional view taken along line 6~ of Fig. 5.
Fig. 7 is a side view of the sanitary napkin illustrating an angle alpha formed betv/ecn the wearer and the surface of the sanitary napkin when the sanitary napkin is being removed.
DETAILED DESCRIPTION OF THE PREFERRED EMBOI~IMENT
The present invention relates generally to a ~ispss~'le absorbent article which is secured to a wearer's body by a pressure sensitive body adhesive. For convenience of descripUon only, the invenUon will be described as a catamenial device, i.e. a sanitary 2~8~904 napkin, but is not limited thereto. It is to be understood that the invention may be ad~rted for use in other absorbent articles such as diapers, inconlinent devices, adhesive bandages and the like which incorporate some means for adhesively adhering the absorbent article to at least a portion of a wearer's body.
For ease of understanding, when referring to the Figures, the same numeral designates the same part in the difrerenl views and embodiments. Refe"i,)g to Figures 1 and 2, an embodiment of a sanitary napkin 10 is shown. The sanitary napkin 10 typically includes a fluid-permeable, bodyfacing surface 12; a fluid-impermeable, gamment-facing surface 14; an absorbent 16 disposed betv.~ecn the bodyfacing surface 12 and thegarment-facing surface 14; and an adhesive 18 secured to the bodyfacing surface 12 for adhering the sanitary napkin 10 to a wearer's body during use. A detaching device 20, partially illustrated in Fig. 2, is afffixed to the sanitary napkin 10 to provide an easy means for comro, lably disengaging the sanitary napkin 10 from the wearer's body. The sanitary napkin 10 can also include a peel strip, not shown, overlying the adhesive 18 to prevent the adhesive from becoming contaminated and/or prematurely adhering to an unintended surface. Suitable ,nalerials for use as a peel strip are cGI~mer~ially available from a number of sources.
As illustrated, the sanitary napkin 10 has a racetrack shape, but is not limitedthereto. It can also be hourglass, oval or any other configuration that will allow the sanitary napkin 10 to come into inli",ale contact with the wearer. As used herein, the term "sanitary napkin" refers to an article which is worn by females a~jacenl to the pudendal region and which is intended to absorb and contain various ~YudAtes which are discharged from the body such as blood, menses, and urine, and which is intended to be discarded when soiled, not laundered and reused. Interlabial devices which reside partially within and partially extemal of the female wearer's vestih~ ~'e are also within the scope of this imention.
Refe"i"g to Fig. 2, the bodyfacing surface 12 is generally integral to and Associated with one surface of a cover 22 and the undergar",ent-facing surface 14 is generally integral to and asso~i~ted with one surface of a baffle 24. The cover 22 and baffle 24 can have a length and a width dimension extending beyond an absorbent edge 26 in a contiguous relalionship and are sealed together to define a periphery 28 of the sanitary napkin 10. The portion from the absorbent edge 26 to the periphery 28 is defined herein as the peripheral seal 30. The absorbent 16 is thereby enclosed between the cover 22 and the baffle 24. The cover 22 and the baffle 24 may be sealed together using any suitable means that will not leave a hard, uncGIllf~l lable residue that may be annoying to the wearer. As used herein, the term "sealed" encompasses configurations whereby the cover 22 is directly joined to baffle 24 and configurations whereby the cover 22 is indirectly joined to the baffle 24 by affixing the cover 22 to an intermediate member, which are in tum affixed to the baffle 24. Methods for attaching the cover 22 5 and baffle 24 are well known to those skilled in the art and include the use of hot melt adhesives, pressure-sensitive adhesives, doub'e sided tape, sonic bonding and heat sealing.
The cover 22 is designed to contact the body of the wearer and ll ~erefor~ should be easily penetrated by body fluids, non-i"italion to the wearelJs skin and preferdbly does 10 not absorb an appreciable amount of fluid. The cover 22 can be constructed of a woven or nonwoven, natural or synthetic material. Suitable ",a~e,ials include bonded carded webs of polyester, polypropylene, polyethylene, nylon, or other heat-bondable fibers.
Other polyolefins, such as copolymers of polypropylene and polyethylene, linear low-density polyethylene, finely-pe, ror~led film webs and net mate, ial, also work well.
- 15 Particularly pr~fel~ed are composite materials of a polymer and a nonwoven fabric material. Still another cover material is a spunbond web of polypropylene. The web can contain about 1% to about 6% titanium dioxide pigment to give it a clean, white appearance. A uniform spunbond material is desirable bec~use it has suffficient strength in the longitudinal direction, even after being pe, rGrated, to resist being tom or pulled 20 apart during use. The most prefer,~d polypropylene webs have a weight of between about 18 and 40 grams per square meter. An optimum weight is bst~ecn about 30 and about 40 grams per square meter.
To aid in the penetration of the liquid through the web, the cover 22 can also be treated with a s~" ractanl to improve its hydrophilic cha~-,lerislics. The su-raclant can 25 include topical additions or intemally applied materials like polysiloxanes.
The baffle 24 acts as a barrier between the absorbed body fluids contained in the absorbent 16 and the person wearing the sanitary napkin 10. Accordingly, the baffne 24 is nonabso,l,ent and is impervious to liquids. The baffle 24 should be soft and co",r' ~nt since a portion of the baffle 24 may reside adjacent the thigh region of the wearer. As 30 used herein, the term "compliant" refers to materials which wi!l readily confo"" to the general extemal shape and contours of the human anatomy. In a preferred embodiment, the baffle 24 may permit the p~ssflge of air or vapor out of the sanitary napkin 10 while blocking the pflssage of liquids from the absorbent 16. A good baffle ",alerial is a micro-emhossed, polymeric film, such as polyethylene or polypropylene. '' ~."ponent films 218~9~4 _ can also be used as well as woven and nonwoven fabrics which have been treated to render them liquid-impermeable. The baffle 24 may also be made from a polyel; "~lene film having a thickness in the range of from about 0.012 mm to about 1.0 mm.
The absorbent 16 is in liquid communication with the bodyfacing surface 12 and is positioned between the bodyfacing surface 12 and the ga(ment-facing surface 14. The term liquid communication" means that body fluid insulting the bodyfacing surface 12 will, subslalllially, be absorbed by the abso,l,ent 16. Referring again to Fig. 2, the cover 22 and the bafffle 24 in combination enclose the abso,L ent 16, subslantially defining the absorbent's perimeter or edge 26. The materials used in the absorbent 16 are designed to absorb body eYudates, including menstrual fluids, blood and urine.
Suitable materials include wood pulp fluff, rayon, cotton and meltblown polymer, such as polyester, polypropylene or coform. Coform is an air-formed combination of meltblown polymers, such as polypropylene, and absorbent staple fibers, such as cellulose. A
preferred " ,alenal is wood fluff, for it is low in cost, rclatively easy to form and has good absorbency. The absorbent 16 may be a composite col"p,ised of a hydrophilic ,naterial that can be formed from various natural or synthetic fibers, wood pulp fibers, regenerated cellulose or cotton fibers, an airlaid tissue or a blend of pulp and other fibers. The absoll~enl16 can be made from otherwell known n,alerials used in absG,bent articles, including multiple layers of cellulose wadding, rayon fibers, cellulose sponge, hydrophilic synthetic sponge, such as polyurethane, and the like. The capacity of the absoil~enl 16 may be varied depending upon the intended usage of the final product.
The sanitary napkin 10 may also include other layers, such as a wicking layer, one or more tissue layers and may contain superabsorbent in combination with one or more other abso,l,ent ",alerials described above, none of which are shown in the Figures.
Such layers and ",alerials are cG"~,ner~ially available from several sources and are well known to those skill in construction of ~ispos~ble abso,bent articles, such as sanitary napkins, diapers and inconlinent devices.
The adhesive 18 is positioned on the bodyfacing surface 12 to contact the wearerand support the sanitary napkin 10 during use. As shown in Fig. 2, the adhesive 18 is adhered to the cover 22. The adhesive 18 can overlie from about 5 percent to about 95 percent of the bodyfacing surface 12. Plt:ferably, the adhesive 18 overlies from about 5 percent to about 75 percent of the bodyfacing surface 12, more preferably, from about 5 percent to about 35 per~enl and most prefer,ed, from about 5 percent to about 20percent of the bodyfacing surface 12. Suitable adhesive nlalerials are ~ 4sed in the 21 869~4 co""~,only assigned patent arp'ication having US Serial Number 08/331,072 filed on October 28, 1994, the entire disrlQs~ ~re of which is incorpordled herein by reference and made a part hereof.
In an altemative configuration not shown, the baffle 24 may overwrap a portion of the cover 22 along the absorbent edge 26 so that a portion of the bodyfacing surface 12 would be cGi"prised of the liquid-permeable cover 22 and a portion would be comprised of the liquid-impermeable bame 24. In this configuraffon, the adhesive 18 may reside on the cover 22, the baffle 24 or both.
Refe"ing to Fig. 3, the sanitary napkin 10 is transversely divided along line Y-Y
into a first portion 32 and a second portion 34 which are substantially equal in size. The detaching device 20 is formed from an elongate strip of n,alerial 36 having a first end 38 and a distally spaced second end 40. The first and second ends 38 and 40 are posilioned in the first and second portions 32 and 34, respectively and are affixed to at least one surface of the sanitary napkin 10. As shown in Fig. 3, the first and second ends 38 and 40 are affixed to the garment-facing surface 14. The first and second ends 38 and 40 can be secured to the sanitary napkin 10 along the penphe,dl seal 30 and desirably, are affixed inward from the peripheral seal 30. A medial yl sF ngportion 42 lies between the first end 38 and the second end 40. The medial grasping portion 42 is unsecured, forming an opening for 9, sF.ng the elongale strip 36. The detaching device 20 provides a means by which the sanitary napkin 10 can be co",f~-lably and hygienically removed. The detaching device 20 also permits the soiled sanitary napkin 10 to be hygienically handled during toileUng and I;SPOSAI
As illustrated in Fig. 3, the elongate strip 36 is secured to the baffle 24 and.is symmetrically aligned along a central longitudinal axis X X of the sanitary napkin 10.
However, the ~'ongate strip 36 is not limited to this configuration. Referring to Fig. 4, the elongate strip 36 can be skewed relative to the longitudinal axis, X-X, the transverse axis Y--Y, or both so that the elongate strip 36 diagonally traverses the length of the sanitary napkin 10. Other configurations, not shown, include using two or more elongale strips secured to at least one of the surfaces 12 and 14 in various patle",s, such as "X
30 or u~are also within the scope of the invention.
The elongale strip 36 may be composed of any malerial that can be affixed to thedesired surface. The elongate strip 36 should have a modulus greater than the peel strength of the adhesive 18 to prevent the elongate strip 36 tearing during removal.
Suitable materials include bonded carded webs of polyester, polypropylene, polyethylene, nylon, or other heat-bondable fibers, polymeric film, such as polyethylene 21 ~6qO4 or polypropylene. Desirably, the material has at a portion that is at partially elasloi"eric permitting the elongate strip 36 to stretch in at least one direction when stressed (pulled) by a force of less than about 1000 grams to a length greater than its length in a relaxed state. P~ferably, the elonga~e strip 36 can stretch to a length greater than about 5 percent than its relaxed state, and more preferably the strip 36 will stretch to a length ranging from about 5 percenl to about 80 per~;enl greater than its relaxed state. The elasticity of the material may be determined by any techi)-~ue that subalantially isolales two ends of a predetermined amount of n,alerial. The isol~'ed ",alenal is pulled with a force up to 1000 grams and the elongation is then measured. By the malerial having elast6n,eric properties, the detaching device 20 can reside sul,slantially nat against the garment-facing surface 14 during use, reducing the likelihood of the sanitary napkin 10 and 100 shifting while being wom and which also allows the wearer to be active without affecting the comfo,l and fit of the sanitary napkin 10 and 100. The term "elastomeric~ as used herein means that the material will stretch when force is applied in at least one direction, preferably along the length, to greater than about 5 percent of its uns~essed state and will retum to sul,slantially its relaxed dimension(s) when the force is removed.
Referring to Figs. 5 and 6, a sanitary napkin 100 is shown which is similar to the sanitary napkin 10 except the cover 22 encloses the absorbent 16 to produce what is know in the art as a wrapped pad. The construction of the wrapped pad is desc,ibed in greater detail in the US Patent 4,200,103 issued on April 29, 1980, the disrlos~ ~re of which is inco",ordted herein by reference and made a part hereof. The first and second ends 38 and 40 of the elongate strip 36 are secured to the cover 22 at any localion that does not substanlially interfere with the ability of the adhesive 18 to support the sanitary napkin 100 during use.
Referring to Fig. 7, the wearer can remove or disengage the sanitary napkin 10 from the body by grasping the grasping portion 42 of the elongate strip 36 and pulling it directionally away from the body. The detaching device 20 distributes the outward removal force, F" along the elongate strip 36, initially directing the removal force Fr so that an acute angle a is formed between the wearer's body, shown in phantom, and the adhesive 18. This allows the first and second portions 32 and 34 to be su~slanlially simultaneously disengaged from the body. Preferably, the detaching device 20 initially directs the outward removal force F, so that the angle a is less than 45 degrees. It has uneYpecte~ly been discovered that by initially directing the removal force in this manner, the sanitary napkin 10 can be co",fo, lably removed from the wearer's body.
2 t ~b~ ~4 The foregoing detailed description has been for the purpose of illust~lion setting forth the preferred embodiment of the invention. Accordingly, a number of modifications and changes may be made without departing from the spirit and scope of the present invention. Therefore, the invention should not be limited by the specific terms employed, 5 but only by the claims.
Claims (21)
1. An absorbent article adapted to be adhesively secured to a wearer's body, said absorbent article comprising:
a. a liquid-permeable bodyfacing surface;
b. a liquid-impermeable garment-facing surface;
c. an absorbent positioned between said bodyfacing surface and said garment-facing surface;
d. adhesive means for securing said absorbent article to the wearer's body, saidadhesive means being affixed to said bodyfacing surface; and e. detaching means for disengaging said absorbent article from the wearer's body when removal of the sanitary napkin is desired, said detaching means including an elongate strip with a first end and a spaced apart second end, said spaced apart ends being secured to at least one of said surfaces, said elongate strip further including an unsecured medial grasping portion positioned between said spaced apart ends for grasping and removing said sanitary napkin.
a. a liquid-permeable bodyfacing surface;
b. a liquid-impermeable garment-facing surface;
c. an absorbent positioned between said bodyfacing surface and said garment-facing surface;
d. adhesive means for securing said absorbent article to the wearer's body, saidadhesive means being affixed to said bodyfacing surface; and e. detaching means for disengaging said absorbent article from the wearer's body when removal of the sanitary napkin is desired, said detaching means including an elongate strip with a first end and a spaced apart second end, said spaced apart ends being secured to at least one of said surfaces, said elongate strip further including an unsecured medial grasping portion positioned between said spaced apart ends for grasping and removing said sanitary napkin.
2. The absorbent article of claim 1 wherein said first and second ends are secured to said bodyfacing surface.
3. The absorbent article of claim 1 wherein said first and second ends are secured to said garment-facing surface.
4. The absorbent article of claim 1 further comprising a cover on said bodyfacing surface and a baffle on said garment-facing surface, said absorbent having an edge enclosed between said cover and said baffle.
5. The absorbent article of claim 4 wherein said cover and said baffle extend beyond said absorbent edge to form a peripheral seal.
6. The absorbent article of claim 5 wherein said first and second ends are secured to said baffle along said peripheral seal.
7. The absorbent article of claim 5 wherein said first and second ends are secured to said cover along said peripheral seal.
8. The absorbent article of claim 5 wherein said first and second ends are secured to said baffle inward from said peripheral seal.
9. The absorbent article of claim 5 wherein said first and second ends are secured to said cover inward from said peripheral seal.
10. The absorbent article of claim 1 having a transverse axis, said transverse axis dividing said absorbent article into a first portion and a second portion of substantially equal size, said first end being secured to one of said surfaces in said first portion and said second end being secured to one of said surfaces in said second portion.
11. The absorbent article of claim 1 wherein said elongate strip is non-elastic
12. The absorbent article of claim 1 wherein said elongate strip is elastomeric.
13. The absorbent article of claim 1 wherein said detaching means distributes anoutward removal force along said elongate strip so that an acute angle .alpha. is formed between the wearer's body and said adhesive means.
14. An absorbent article adapted to be adhesively secured to a wearer's body, said absorbent article comprising:
a. a liquid-permeable cover having a bodyfacing surface;
b. a liquid-impermeable baffle;
c. an absorbent enclosed between said cover and said baffle;
d. adhesive means for securing said absorbent article to the wearer's body, said adhesive means being affixed to said bodyfacing surface; and e. detaching means for disengaging said absorbent article from the wearer's body when removal of the sanitary napkin is desired, said detaching means including an elongate strip with a first end and a spaced apart second end, said absorbent article including a transverse axis dividing said absorbent article into a first portion and a second portion of substantially equal size, said first end being secured to said baffle in said first portion and said second end being secured to said baffle in said second portion, said elongate strip further including an unsecured medial grasping portion positioned between said spaced apart ends for grasping and removing said sanitary napkin.
a. a liquid-permeable cover having a bodyfacing surface;
b. a liquid-impermeable baffle;
c. an absorbent enclosed between said cover and said baffle;
d. adhesive means for securing said absorbent article to the wearer's body, said adhesive means being affixed to said bodyfacing surface; and e. detaching means for disengaging said absorbent article from the wearer's body when removal of the sanitary napkin is desired, said detaching means including an elongate strip with a first end and a spaced apart second end, said absorbent article including a transverse axis dividing said absorbent article into a first portion and a second portion of substantially equal size, said first end being secured to said baffle in said first portion and said second end being secured to said baffle in said second portion, said elongate strip further including an unsecured medial grasping portion positioned between said spaced apart ends for grasping and removing said sanitary napkin.
15. The absorbent article of claim 14 wherein said absorbent has an edge, said cover and said baffle extend beyond said absorbent edge to form a peripheral seal, said first and second ends being secured to said baffle inward from said peripheral seal.
16. The absorbent article of claim 14 wherein said elongate strip is elastomeric.
17. A sanitary napkin adapted to be adhesively secured to a wearer's body, said sanitary napkin comprising:
a. a liquid-permeable cover having a bodyfacing surface;
b. a liquid-impermeable baffle;
c. an absorbent enclosed between said cover and said baffle;
d. adhesive means for securing said absorbent article to the wearer's body, said adhesive means being affixed to said bodyfacing surface; and e. detaching means for disengaging said absorbent article from the wearer's body when removal of the sanitary napkin is desired, said detaching means including an elongate strip with a first end and a spaced apart second end, at least a portion of said elongate strip being elastomeric, said absorbent article including a transverse axis dividing said absorbent article into a first portion and a second portion of substantially equal size, said first end being secured to said cover in said first portion and said second end being secured to said cover in said second portion, said elongate strip further including an unsecured medial grasping portion positioned between said spaced apart ends for grasping and removing said sanitary napkin.
a. a liquid-permeable cover having a bodyfacing surface;
b. a liquid-impermeable baffle;
c. an absorbent enclosed between said cover and said baffle;
d. adhesive means for securing said absorbent article to the wearer's body, said adhesive means being affixed to said bodyfacing surface; and e. detaching means for disengaging said absorbent article from the wearer's body when removal of the sanitary napkin is desired, said detaching means including an elongate strip with a first end and a spaced apart second end, at least a portion of said elongate strip being elastomeric, said absorbent article including a transverse axis dividing said absorbent article into a first portion and a second portion of substantially equal size, said first end being secured to said cover in said first portion and said second end being secured to said cover in said second portion, said elongate strip further including an unsecured medial grasping portion positioned between said spaced apart ends for grasping and removing said sanitary napkin.
18. The sanitary napkin of claim 17 wherein said elongate strip can stretch to a length of about 5 percent to about 80 percent greater than in its relaxed state.
19. The absorbent article of claim 17 wherein said absorbent has an edge and said cover and said baffle extend beyond said absorbent edge to form a peripheral seal, said first and second ends being secured to said cover along said peripheral seal.
20. The sanitary napkin of claim 17 wherein said detaching means distributes an outward removal force along said elongate strip so that an acute angle .alpha. is formed between a wearer's body and said adhesive means.
21. The detaching means of claim 19 wherein said angle .alpha. is less than 45 degrees.
Applications Claiming Priority (2)
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|---|---|---|---|
| US08/539,519 | 1995-10-16 | ||
| US08/539,519 US5618282A (en) | 1995-10-16 | 1995-10-16 | Removal aids for adhesively secured absorbent articles |
Publications (1)
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|---|---|
| CA2186904A1 true CA2186904A1 (en) | 1997-04-17 |
Family
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|---|---|---|---|
| CA002186904A Abandoned CA2186904A1 (en) | 1995-10-16 | 1996-09-30 | Removal aids for adhesively secured absorbent articles |
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| US (1) | US5618282A (en) |
| CA (1) | CA2186904A1 (en) |
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| BE547884A (en) * | 1955-05-26 | |||
| US2924331A (en) * | 1955-10-05 | 1960-02-09 | Kendall & Co | Adhesive bandage envelope |
| GB1105885A (en) * | 1965-09-14 | 1968-03-13 | Giuseppe De Crescenzo | Improvements in or relating to absorbent tampons or pessaries |
| US3688771A (en) * | 1971-06-03 | 1972-09-05 | Kimberly Clark Co | Sanitary napkin with convertible attachment means |
| US3811438A (en) * | 1972-03-30 | 1974-05-21 | G Economou | Adhesive tapes and bandages |
| US3885559A (en) * | 1972-07-24 | 1975-05-27 | George J Economou | Process for the reduction of pain in the removal of adhesive tapes and bandages |
| US4072151A (en) * | 1975-03-31 | 1978-02-07 | Levine Faye E | Sanitary napkin |
| US4266546A (en) * | 1980-02-25 | 1981-05-12 | Kimberly-Clark Corporation | Wrapped folded tampons |
| FR2574286B2 (en) * | 1983-01-28 | 1990-03-02 | Soula Gerard | PERIODIC HYGIENIC BREECHES FOR ANIMALS |
| US4609373A (en) * | 1983-10-03 | 1986-09-02 | Kimberly-Clark Corporation | Sanitary napkin with attachment means |
| US4666441A (en) * | 1985-12-17 | 1987-05-19 | Ciba-Geigy Corporation | Multicompartmentalized transdermal patches |
| US4641643A (en) * | 1986-04-28 | 1987-02-10 | Greer Leland H | Resealing skin bandage |
| US4900320C1 (en) * | 1986-06-16 | 2001-07-03 | Mcneil Ppc Inc | Sanitary napkin with panty gathering flaps |
| US4753648A (en) * | 1987-05-08 | 1988-06-28 | Personal Products Company | Sanitary napkin adhesively attached via elastic member |
| US4917675A (en) * | 1988-07-14 | 1990-04-17 | Mcneil-Ppc, Inc. | Folded flange sealed sanitary napkin |
| US4925453A (en) * | 1988-08-10 | 1990-05-15 | Sealed Air Corporation | Absorbent blood wipe pad and method |
| US5128187A (en) * | 1990-12-11 | 1992-07-07 | Minnesota Mining And Manufacturing Company | Attachment tape for foam-backed absorbent product |
| US5336208A (en) * | 1991-01-10 | 1994-08-09 | Advanced Surgical Intervention, Inc. | Urinary incontinence pad |
| US5417224A (en) * | 1993-05-19 | 1995-05-23 | Advanced Medical Instruments, Inc. | Tampon and method for manufacturing the same |
-
1995
- 1995-10-16 US US08/539,519 patent/US5618282A/en not_active Expired - Lifetime
-
1996
- 1996-09-30 CA CA002186904A patent/CA2186904A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| US5618282A (en) | 1997-04-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |
Effective date: 20020930 |