US3485345A - Package - Google Patents

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Publication number
US3485345A
US3485345A US603798A US3485345DA US3485345A US 3485345 A US3485345 A US 3485345A US 603798 A US603798 A US 603798A US 3485345D A US3485345D A US 3485345DA US 3485345 A US3485345 A US 3485345A
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US
United States
Prior art keywords
wrapping
article
tab
seal
lap
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.)
Expired - Lifetime
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US603798A
Inventor
Peter J Deasy
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BXL Plastics Ltd
Hercules LLC
Original Assignee
Bakelite Xylonite Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Bakelite Xylonite Ltd filed Critical Bakelite Xylonite Ltd
Application granted granted Critical
Publication of US3485345A publication Critical patent/US3485345A/en
Assigned to ASHBURTON ROAD SERVICES LIMITED reassignment ASHBURTON ROAD SERVICES LIMITED CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). MARCH 9, 1983 Assignors: STOREY BROTHERS AND COMPANY LIMITED
Assigned to HERCULES INCORPORATED reassignment HERCULES INCORPORATED ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: ASHBURTON ROAD SERVICES LIMITED
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52Details
    • B65D75/58Opening or contents-removing devices added or incorporated during package manufacture

Definitions

  • tear tape in wrapping materials has two main disadvantages. First they increase the cost of wrapping in the material and secondly, an extra stage in the Wrapping process, mainly, the attachment of the tear tape to the wrapping material, is necessary.
  • an object of the present invention to provide an opening device for packaging which provides the advantages of a tear tape without actually incorporating a tear tape into the wrapping material itself.
  • the present invention provides packaging for an article in which wrapping material is wrapped around an article so that a pair of edges thereof overlap, the overlapping edges of the material being sealed together in a lap seal, the improvement comprising a tab defined by cuts made in the material on both sides of the lap seal and proximate thereto, the tab extending widthwise across the lap seal so that when the tab is pulled the wrapping material tears along each side of the lap seal enabling easy opening of the packaging.
  • This invention thus provides a method of wrapping articles, which comprises wrapping the article in the wrapping material and sealing the package, wherein the sequence of folding and sealing the wrapping material round the article is such, and the edge of the wrapping material is so incised, that after the last seal has been made there is left a tab of wrapping material comprising an extension of sealed lap seal such that when the tab is pulled the wrapping material tears on each side of the lap seal.
  • FIGURE 1 illustrates an article to be packaged
  • FIGURE 2 illustrates a sheet of wrapping material before it is wrapped around the article to be packaged
  • FIGURE 3 illustrates the first step in wrapping the material around the article
  • FIGURE 4 illustrates a further step in wrapping the material forming a tear tab
  • FIGURE 5 illustrates the fully wrapped package embodying the present invention
  • FIGURE 6 shows another sheet of wrapping material in another packaging embodiment of the present inventron
  • FIGURE 7 illustrates the wrapping of the sheet in FIG- URE 6 around the article to be packaged
  • FIGURE 8 illustrates a further step in the wrapping of the material of FIGURE 6 forming a tear tab
  • FIGURE 9 illustrates the completely wrapped package using the wrapping material of FIGURE 6.
  • FIGURE 10 illustrates another embodiment of the wrapping material of the present invention
  • FIGURE 11 illustrates the first step in wrapping an article with the wrapping material of FIGURE 10;
  • FIGURE 12 illustrates a more completely wrapped package using the wrapping material of FIGURE 10 and showing the formation of two tear tabs
  • FIGURE 13 illustrates a completely wrapped package with the tear tab, employing the material illustrated in FIGURE 10;
  • FIGURE 14 shows another embodiment of the wrap ping material of the invention in the first step of wrapping it around an article
  • FIGURE 15 illustrates a completely wrapped package employing the wrapping material of FIGURE 14.
  • one method of wrapping an article in accordance with the invention as illustrated in FIGURES 1 to 5 comprises using a sheet of wrapping material 12 which has two slits 14 parallel to the, shorter sides of the sheet 12 both formed in the same edge of the sheet, and if desired, a tab marker 15.
  • the sheet 12 is wrapped around article 10 and sealed at the overlap forming a lap seal 16 with the slits 14 together defining a tear tab as illustrated in FIGURES 3 and 4.
  • the material at the ends of the article is then folded in and sealed down as indicated by end lap seal 18 shown in FIGURES 4 and 5.
  • tab 20 forms an extension of lap joint 16.
  • the tab 20 is folded over the lap seal 18 and is lightly sealed down.
  • FIGURES 6 to 9 show a similar method of wrapping an article to that shown in FIGURES 1 to 5 except that tearing'from the tab 20a extends along one of the short sides of the article instead of along a long side.
  • the slits 14a are formed in two opposed short sides of the-sheet of wrapping material 12a as shown in FIGURE 6.
  • the sheet 12a, having tab marker 15a, is wrapped around article 10 and sealed at overlaps at the ends and at the long side thereof as indicated by lap seals 18a and 16a as shown in FIGURES 7 and 8.
  • Slits 14a define the tab 20a which is positioned laterally astride the lap seal 18a as shown in FIGURES 7 and 8.
  • the tab 20a is lightly sealed down to the wrapping material 12a as shown in FIGURE 9.
  • FIGURES 10 to 13 show a method which is a combination of those shown in FIGURES 1 to 9 which results in a wrapping having two tabs 20b and 200.
  • the sheet of wrapping material has four slits 14b and 17, two of which are as shown in FIGURES 1 to 5 and two of which are as shown in FIGURES 6 to 9.
  • the sheet 121) having tab marker 15]) is wrapped around the article 10 and sealed 3 at overlaps at the ends and at the long side thereof as indicated by lap seals 18b and 16b as shown in FIG URES 11 and 12.
  • Slits 14b define the tab b and slits 17 define the tab 20c as shown in FIGURES 10, 11 and 12.
  • Tab 20b as shown, is at the junction of the two lap seals 16b and 18b. The tabs are then sealed down to the wrapper as shown in FIGURE 13. As indicated tab 20b is sealed tightly onto the material forming lap seal 16b so that in effect the lap seals 16b and 1% are continuous.
  • FIGURES 14 and 15 Another modification of the method of the invention is illustrated in FIGURES 14 and 15 in which a part of the lap seal overlies a folded end seal but which is not sealed to the underlying material.
  • the material, 26 having slits and tab marker 32 is wrapped around article 24 and sealed at lap seal 28 as shown in FIGURE 14.
  • the material on the ends of the article is folded in to form two flaps 32 and 34.
  • the fiap 32 which does not contain the slits 30 is folded against the end of the article and the flap 34 is folded over part of fiap 32 as shown in FIGURE 15.
  • the article to be wrapped is preferably a rectangularsided box and the lap joint is preferably formed along one side of the box.
  • the incisions in the edge of the Wrapping material, which for wrapping such a box will be a rectangular piece of material, are formed in the same edge of the wrapping material parallel to the edges of the marginal portions of the wrapping material that form the lap joint.
  • the incisions may be made in the wrapping material before or as the material is fed to the wrapping machine or they may be made during the wrapping process before the last fold and seal is made.
  • the tab is folded so that it is flat against the side of the article and is lightly sealed to the portion of the wrapping material that it contacts.
  • the wrapping material is preferably therefore so printed that the tab may be identified.
  • the method of wrapping the article will be such that lap joints are formed on these sides of the article and if it is desired that the wrapping should be broken on two sides of the article to make the wrapping easier to remove tabs can be formed on two adjoining lap joints and the tab at the meeting point of the two lap joints can be sealed down so that, in effect, a continuous lap joint extends along two sides of the article.
  • the Wrapping material is a material that is not itself heat-scalable it may be a material that has been coated with heat-sealable material or with an adhesive, for example, a cold seal adhesive. Such a coating may be an overall coating or a pattern coating.
  • the wrapping material is not critical and can be any of the materials, particularly those which are transparent,
  • cellulosic material can be used such as paper, paper board, cellulose film, including regenerated cellulose film and the like as well as thermoplastic sheet or film, metal foil or other compositions suitable as wrapping material.
  • Thermoplastic film which can be used in the present invention comprises one or more synthetic organic thermoplastic polymers.
  • styrene vinyl fluoride, butene, vinyl acetate, vinyl formate, methyl methacrylate, monobutyl maleate, 2-ethyl hexyl acrylate.

Description

P. J. DEASY PA KAGE Dec. 23, 1969 5 Sheets-Sheet 1 Filed Dec. 22. 1966 m T N E v m PETER J.DE A5! BY Mdfl ATTORNEY v Dec. 23, 1969 P. J. DEASY 3,485,345
PACKAGE Filed Dec. 22, 1966 3 Sheets-Sheet 2' D 203 INVENTOR PETER J. DEASY ATTORNEY P. J. DEASY Dec. 23, 1969 PACKAGE 3 Sheets-Sheet 5 Filed Dec. 22, 1966 INVENTOR PETER J. DEASY ATTORNEY United States Patent 3,485,345 PACKAGE Peter J. Deasy, Manningtree, England, assignor to Bakelite Xylonite Limited, a British corporation Filed Dec. 22, 1966, Ser. No. 603,798 Claims priority, application Great Britain, Jan. 7, 1966, 962/66 Int. Cl. B65d 85/00, 17/16, 65/32 U.S. Cl. 20646 1 Claim ABSTRACT OF THE DISCLOSURE Packaging for an article in which wrapping material is wrapped around an article to form two lapped seals on adjacent sides, each seal having one tab defined by cuts made therein.
wrapping material on the surface thereof that, when the article is Wrapped, is against the surface of the article in such a way that the tear tape extends at least partially round the article and provides a zone or relative weakness in the wrapping material so that when the tear tape is pulled the wrapping material tears along the line of the tear tape.
The incorporation of tear tape in wrapping materials has two main disadvantages. First they increase the cost of wrapping in the material and secondly, an extra stage in the Wrapping process, mainly, the attachment of the tear tape to the wrapping material, is necessary.
Accordingly it is an object of the present invention to provide an opening device for packaging which provides the advantages of a tear tape without actually incorporating a tear tape into the wrapping material itself.
It is another object of the present invention to employ the seam formed by the overlapping edges of wrapping material in a package to control the direction of tearing of the wrapping material when the package is opened by pulling a portion thereof.
These and other objects are accomplished in the present invention which provides packaging for an article in which wrapping material is wrapped around an article so that a pair of edges thereof overlap, the overlapping edges of the material being sealed together in a lap seal, the improvement comprising a tab defined by cuts made in the material on both sides of the lap seal and proximate thereto, the tab extending widthwise across the lap seal so that when the tab is pulled the wrapping material tears along each side of the lap seal enabling easy opening of the packaging.
This invention thus provides a method of wrapping articles, which comprises wrapping the article in the wrapping material and sealing the package, wherein the sequence of folding and sealing the wrapping material round the article is such, and the edge of the wrapping material is so incised, that after the last seal has been made there is left a tab of wrapping material comprising an extension of sealed lap seal such that when the tab is pulled the wrapping material tears on each side of the lap seal.
ice
The invention will become more apparent from the following detailed specification and drawings in which:
FIGURE 1 illustrates an article to be packaged;
FIGURE 2 illustrates a sheet of wrapping material before it is wrapped around the article to be packaged;
FIGURE 3 illustrates the first step in wrapping the material around the article;
FIGURE 4 ilustrates a further step in wrapping the material forming a tear tab;
FIGURE 5 illustrates the fully wrapped package embodying the present invention;
FIGURE 6 shows another sheet of wrapping material in another packaging embodiment of the present inventron;
FIGURE 7 illustrates the wrapping of the sheet in FIG- URE 6 around the article to be packaged;
FIGURE 8 illustrates a further step in the wrapping of the material of FIGURE 6 forming a tear tab;
FIGURE 9 illustrates the completely wrapped package using the wrapping material of FIGURE 6.
FIGURE 10 illustrates another embodiment of the wrapping material of the present invention;
FIGURE 11 illustrates the first step in wrapping an article with the wrapping material of FIGURE 10;
FIGURE 12 illustrates a more completely wrapped package using the wrapping material of FIGURE 10 and showing the formation of two tear tabs;
FIGURE 13 illustrates a completely wrapped package with the tear tab, employing the material illustrated in FIGURE 10;
FIGURE 14 shows another embodiment of the wrap ping material of the invention in the first step of wrapping it around an article; and
FIGURE 15 illustrates a completely wrapped package employing the wrapping material of FIGURE 14.
Referring now to the drawings, one method of wrapping an article in accordance with the invention as illustrated in FIGURES 1 to 5 comprises using a sheet of wrapping material 12 which has two slits 14 parallel to the, shorter sides of the sheet 12 both formed in the same edge of the sheet, and if desired, a tab marker 15. The sheet 12 is wrapped around article 10 and sealed at the overlap forming a lap seal 16 with the slits 14 together defining a tear tab as illustrated in FIGURES 3 and 4. The material at the ends of the article is then folded in and sealed down as indicated by end lap seal 18 shown in FIGURES 4 and 5. As indicated in FIGURES 4 and 5 tab 20 forms an extension of lap joint 16. The tab 20 is folded over the lap seal 18 and is lightly sealed down.
FIGURES 6 to 9 show a similar method of wrapping an article to that shown in FIGURES 1 to 5 except that tearing'from the tab 20a extends along one of the short sides of the article instead of along a long side. For this purpose the slits 14a are formed in two opposed short sides of the-sheet of wrapping material 12a as shown in FIGURE 6. The sheet 12a, having tab marker 15a, is wrapped around article 10 and sealed at overlaps at the ends and at the long side thereof as indicated by lap seals 18a and 16a as shown in FIGURES 7 and 8. Slits 14a define the tab 20a which is positioned laterally astride the lap seal 18a as shown in FIGURES 7 and 8. The tab 20a is lightly sealed down to the wrapping material 12a as shown in FIGURE 9.
FIGURES 10 to 13 show a method which is a combination of those shown in FIGURES 1 to 9 which results in a wrapping having two tabs 20b and 200. In this case, as shown in FIGURE 10, the sheet of wrapping material has four slits 14b and 17, two of which are as shown in FIGURES 1 to 5 and two of which are as shown in FIGURES 6 to 9. The sheet 121) having tab marker 15]), is wrapped around the article 10 and sealed 3 at overlaps at the ends and at the long side thereof as indicated by lap seals 18b and 16b as shown in FIG URES 11 and 12. Slits 14b define the tab b and slits 17 define the tab 20c as shown in FIGURES 10, 11 and 12. Tab 20b as shown, is at the junction of the two lap seals 16b and 18b. The tabs are then sealed down to the wrapper as shown in FIGURE 13. As indicated tab 20b is sealed tightly onto the material forming lap seal 16b so that in effect the lap seals 16b and 1% are continuous.
Another modification of the method of the invention is illustrated in FIGURES 14 and 15 in which a part of the lap seal overlies a folded end seal but which is not sealed to the underlying material. In this method the material, 26 having slits and tab marker 32 is wrapped around article 24 and sealed at lap seal 28 as shown in FIGURE 14. The material on the ends of the article is folded in to form two flaps 32 and 34. The fiap 32 which does not contain the slits 30 is folded against the end of the article and the flap 34 is folded over part of fiap 32 as shown in FIGURE 15. When sealing the wrapping at the end of the article having the slits 30 the part of flap 34 bounded by the slits 30 and covering the lap seal 28 is not sealed so that a tab, indicated by tab marker 32, which can be pulled to break the wrapping is left.
The article to be wrapped is preferably a rectangularsided box and the lap joint is preferably formed along one side of the box. The incisions in the edge of the Wrapping material, which for wrapping such a box will be a rectangular piece of material, are formed in the same edge of the wrapping material parallel to the edges of the marginal portions of the wrapping material that form the lap joint.
The incisions may be made in the wrapping material before or as the material is fed to the wrapping machine or they may be made during the wrapping process before the last fold and seal is made.
Preferably, after the last seal has been made the tab is folded so that it is flat against the side of the article and is lightly sealed to the portion of the wrapping material that it contacts. The wrapping material is preferably therefore so printed that the tab may be identified.
When the tab is pulled the wrapping material tears on each side of the lap joint and so the wrapping on at least one side of the article will be broken. Generally the method of wrapping the article will be such that lap joints are formed on these sides of the article and if it is desired that the wrapping should be broken on two sides of the article to make the wrapping easier to remove tabs can be formed on two adjoining lap joints and the tab at the meeting point of the two lap joints can be sealed down so that, in effect, a continuous lap joint extends along two sides of the article.
If the Wrapping material is a material that is not itself heat-scalable it may be a material that has been coated with heat-sealable material or with an adhesive, for example, a cold seal adhesive. Such a coating may be an overall coating or a pattern coating.
The wrapping material is not critical and can be any of the materials, particularly those which are transparent,
normally used for wrapping articles especially those materials usually requiring a tear tape. Generally, cellulosic material can be used such as paper, paper board, cellulose film, including regenerated cellulose film and the like as well as thermoplastic sheet or film, metal foil or other compositions suitable as wrapping material.
Thermoplastic film which can be used in the present invention comprises one or more synthetic organic thermoplastic polymers. Generally useful polymers are homopolymers of alpha olefins, compounds having the formula RCH=CH wherein R is hydrogen, or an aliphatic hydrocarbon group such as an alkyl group, particularly an alkyl group having 1 to 8 carbon atoms, and copolymers thereof with one or more other compounds copolymerizable therewith which contain polymer producing unsaturation such as is present for example in carbon monoxide and in organic compounds containing the ethylene linkage C=C e.g. styrene, vinyl fluoride, butene, vinyl acetate, vinyl formate, methyl methacrylate, monobutyl maleate, 2-ethyl hexyl acrylate. N-methyl-N-vinyl acetamide, methacrylic acid, ethyl acrylate, acrylic acid, isoprene, acrylamide, vinyl triethoxysilane, bicycloheptene, divinyl phosphonate and the like as well as other types of polymers including polycarbonates and condensation products of equimolar amounts of dihydric phenols and mono and/or diepoxide, the thermoplastic polyhydroxyethers.
What is claimed is:
1. Packaging for an article in which wrapping material is wrapped around an article in such a manner to form two lap seals, a first seal and a second seal which are situated on adjacent sides of said packaging and extend into close proximity with one another, said lap seals each having one tab defined by cuts made in the material on both sides of said lap seals, said first seal having a tab situated in overlapping proximity with said second seal and being adhered to the outside portion thereof to connect the two lap seals, said second lap seal having a tab situated at the end thereof remote from the connecting tab of said first seal and partially sealed to an outside portion of an adjacent side of the package so that pulling the tab of said second seal produces a tear which extends consecutively along said second seal, said connecting tab and said first seal to open said packaging.
References Cited UNITED STATES PATENTS 3,168,975 2/ 1965 Buttery et al. 22951 1,133,253 3/1915 Appel 22966 X 2,152,382 3/1939 Horgan 22951 2,322,594 6/1943 Russell 229-5l 2,833,404 5/1959 Jacobs et al. 22951 X 3,362,615 1/ 1968 Rodda 22951 FOREIGN PATENTS 916,697 8/ 1954 Germany.
MARTHA L. RICE, Primary Examiner U.S. Cl. X.R. 22951, 87
US603798A 1966-01-07 1966-12-22 Package Expired - Lifetime US3485345A (en)

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GB962/66A GB1166242A (en) 1966-01-07 1966-01-07 Improvements in and relating to Methods of Wrapping Articles.

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5423423A (en) * 1992-12-17 1995-06-13 Fuji Photo Film Co., Ltd. Wrapping film for a wrapped article
US5487503A (en) * 1993-03-12 1996-01-30 Fuji Photo Film Co., Ltd. Wrapped article with tear slits
FR2724633A1 (en) * 1994-08-29 1996-03-22 Sony Corp Wrapping for rectangular cigarette packet
US7712690B2 (en) 2006-10-16 2010-05-11 Owens Corning Intellectual Capital, Llc Exit valve for blowing insulation machine
US7731115B2 (en) 2006-10-16 2010-06-08 Owens Corning Intellectual Capital, Llc Agitation system for blowing insulation machine
US7762484B2 (en) 2008-04-14 2010-07-27 Owens Corning Intellectual Capital, Llc Blowing wool machine flow control
US7819349B2 (en) 2006-10-16 2010-10-26 Owens Corning Intellectual Capital, Llc Entrance chute for blowing insulation machine
US7845585B2 (en) 2006-10-16 2010-12-07 Owens Corning Intellectual Capital, Llc Blowing wool machine outlet plate assembly
US7882947B2 (en) 2006-10-16 2011-02-08 Owens Corning Intellectual Capital, Llc Partially cut loosefill package
US7886904B1 (en) 2009-07-30 2011-02-15 Owens Corning Intellectual Capital, Llc Loosefill package for blowing wool machine
US7913842B2 (en) 2006-10-16 2011-03-29 Owens Corning Intellectual Capital, Llc Loosefill package for blowing wool machine
US7938348B2 (en) 2004-07-27 2011-05-10 Owens Corning Intellectual Capital, Llc Loosefill blowing machine with a chute
US7971814B2 (en) 2008-12-17 2011-07-05 Owens Corning Intellectual Capital, Llc Non-symmetrical airlock for blowing wool machine
US7971813B2 (en) 2004-07-27 2011-07-05 Owens Corning Intellectual Capital, Llc Blowing machine for loosefill insulation material
US20120000968A1 (en) * 2010-07-01 2012-01-05 Kraft Foods Global Brands Llc Method and apparatus for a package with an easy open feature
US20140224863A1 (en) * 2010-12-23 2014-08-14 Philip Morris Products S.A. Wrapped package with opening tab

Families Citing this family (1)

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Publication number Priority date Publication date Assignee Title
FR2803582B1 (en) * 2000-01-07 2002-06-14 Bel Fromageries ELEMENT FOR A PACKAGE OF A PORTION OF A FOOD PRODUCT AND ASSEMBLY COMPRISING SUCH A PACKAGE AND A PORTION OF A FOOD PRODUCT

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US1133253A (en) * 1912-11-15 1915-03-30 Daniel Appel Wrapping-tube.
US2152382A (en) * 1936-04-08 1939-03-28 American Mach & Foundry Wrapping of cigarettes and other articles
US2322594A (en) * 1940-01-02 1943-06-22 Du Pont Dispensing package
DE916697C (en) * 1951-06-07 1954-08-16 Jerg Blanckenhorn Soft pack, especially for tobacco products, such as cigarettes
US2833404A (en) * 1956-03-09 1958-05-06 Gen Foods Corp Shipping bundle or package
US3168975A (en) * 1963-09-11 1965-02-09 Kvp Sutherland Paper Co Carton having tear strip in cover flaps
US3362615A (en) * 1964-06-04 1968-01-09 Purex Corp Ltd Container and package

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1133253A (en) * 1912-11-15 1915-03-30 Daniel Appel Wrapping-tube.
US2152382A (en) * 1936-04-08 1939-03-28 American Mach & Foundry Wrapping of cigarettes and other articles
US2322594A (en) * 1940-01-02 1943-06-22 Du Pont Dispensing package
DE916697C (en) * 1951-06-07 1954-08-16 Jerg Blanckenhorn Soft pack, especially for tobacco products, such as cigarettes
US2833404A (en) * 1956-03-09 1958-05-06 Gen Foods Corp Shipping bundle or package
US3168975A (en) * 1963-09-11 1965-02-09 Kvp Sutherland Paper Co Carton having tear strip in cover flaps
US3362615A (en) * 1964-06-04 1968-01-09 Purex Corp Ltd Container and package

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5423423A (en) * 1992-12-17 1995-06-13 Fuji Photo Film Co., Ltd. Wrapping film for a wrapped article
US5487503A (en) * 1993-03-12 1996-01-30 Fuji Photo Film Co., Ltd. Wrapped article with tear slits
US5560538A (en) * 1993-03-12 1996-10-01 Fuji Photo Film Co., Ltd. Wrapping film for article
FR2724633A1 (en) * 1994-08-29 1996-03-22 Sony Corp Wrapping for rectangular cigarette packet
US7938348B2 (en) 2004-07-27 2011-05-10 Owens Corning Intellectual Capital, Llc Loosefill blowing machine with a chute
US9272287B2 (en) 2004-07-27 2016-03-01 Owens Corning Intellectual Capital Llc Blowing wool bag and method of using the bag
US7971813B2 (en) 2004-07-27 2011-07-05 Owens Corning Intellectual Capital, Llc Blowing machine for loosefill insulation material
US7731115B2 (en) 2006-10-16 2010-06-08 Owens Corning Intellectual Capital, Llc Agitation system for blowing insulation machine
US8245960B2 (en) 2006-10-16 2012-08-21 Owens Corning Intellectual Capital, Llc Agitation system for blowing wool machine
US7845585B2 (en) 2006-10-16 2010-12-07 Owens Corning Intellectual Capital, Llc Blowing wool machine outlet plate assembly
US7882947B2 (en) 2006-10-16 2011-02-08 Owens Corning Intellectual Capital, Llc Partially cut loosefill package
US7712690B2 (en) 2006-10-16 2010-05-11 Owens Corning Intellectual Capital, Llc Exit valve for blowing insulation machine
US7913842B2 (en) 2006-10-16 2011-03-29 Owens Corning Intellectual Capital, Llc Loosefill package for blowing wool machine
US20100219274A1 (en) * 2006-10-16 2010-09-02 Johnson Michael W Agitation system for blowing wool machine
US7819349B2 (en) 2006-10-16 2010-10-26 Owens Corning Intellectual Capital, Llc Entrance chute for blowing insulation machine
US20110226881A1 (en) * 2006-10-16 2011-09-22 Johnson Michael W Agitation system for blowing wool machine
US8087601B2 (en) 2006-10-16 2012-01-03 Owens Corning Intellectual Capital, Llc Agitation system for blowing wool machine
US9004382B2 (en) 2006-10-16 2015-04-14 Owens Corning Intellectual Capital, Llc Agitation system for blowing wool machine
US7762484B2 (en) 2008-04-14 2010-07-27 Owens Corning Intellectual Capital, Llc Blowing wool machine flow control
US7971814B2 (en) 2008-12-17 2011-07-05 Owens Corning Intellectual Capital, Llc Non-symmetrical airlock for blowing wool machine
US7886904B1 (en) 2009-07-30 2011-02-15 Owens Corning Intellectual Capital, Llc Loosefill package for blowing wool machine
US20120000968A1 (en) * 2010-07-01 2012-01-05 Kraft Foods Global Brands Llc Method and apparatus for a package with an easy open feature
US20140224863A1 (en) * 2010-12-23 2014-08-14 Philip Morris Products S.A. Wrapped package with opening tab

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DE1561970A1 (en) 1970-06-04
GB1166242A (en) 1969-10-08

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