CA2239425A1 - Web materials having elastic-like and expansive zones - Google Patents

Web materials having elastic-like and expansive zones

Info

Publication number
CA2239425A1
CA2239425A1 CA002239425A CA2239425A CA2239425A1 CA 2239425 A1 CA2239425 A1 CA 2239425A1 CA 002239425 A CA002239425 A CA 002239425A CA 2239425 A CA2239425 A CA 2239425A CA 2239425 A1 CA2239425 A1 CA 2239425A1
Authority
CA
Canada
Prior art keywords
elastic
zone
region
expansive
web materials
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.)
Granted
Application number
CA002239425A
Other languages
French (fr)
Other versions
CA2239425C (en
Inventor
Richard Worthington Lodge
John Joseph Curro
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.)
Procter and Gamble Co
Original Assignee
The Procter & Gamble Company
Richard Worthington Lodge
John Joseph Curro
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.)
Filing date
Publication date
Application filed by The Procter & Gamble Company, Richard Worthington Lodge, John Joseph Curro filed Critical The Procter & Gamble Company
Publication of CA2239425A1 publication Critical patent/CA2239425A1/en
Application granted granted Critical
Publication of CA2239425C publication Critical patent/CA2239425C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H13/00—Other non-woven fabrics
    • 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
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/49007—Form-fitting, self-adjusting disposable diapers
    • A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
    • 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
    • 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
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/49007—Form-fitting, self-adjusting disposable diapers
    • A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
    • A61F13/4902—Form-fitting, self-adjusting disposable diapers with elastic means characterised by the elastic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/18—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets by squeezing between surfaces, e.g. rollers

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Materials For Medical Uses (AREA)
  • Woven Fabrics (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Undergarments, Swaddling Clothes, Handkerchiefs Or Underwear Materials (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Golf Clubs (AREA)
  • Prostheses (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Abstract

A web material exhibiting both an elastic-like and an expansive behavior in response to an applied elongation. The web material includes an elastic-like zone and an expansive zone disposed adjacent to the elastic-like zone. The expansive zone allows the elastic-like zone to extend without generating excessive tensional forces. The elastic-like zone includes a strainable network having a first region and a second region. The second region has a surface-pathlength greater than the surface-pathlength of the first region.
The expansive zone has a surface-pathlength greater than the first region and different than that of the second region.
CA002239425A 1995-12-04 1996-11-20 Web materials having elastic-like and expansive zones Expired - Lifetime CA2239425C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US56647195A 1995-12-04 1995-12-04
US08/566,471 1995-12-04
PCT/US1996/018649 WO1997020531A1 (en) 1995-12-04 1996-11-20 Web materials having elastic-like and expansive zones

Publications (2)

Publication Number Publication Date
CA2239425A1 true CA2239425A1 (en) 1997-06-12
CA2239425C CA2239425C (en) 2001-07-24

Family

ID=24263035

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002239425A Expired - Lifetime CA2239425C (en) 1995-12-04 1996-11-20 Web materials having elastic-like and expansive zones

Country Status (26)

Country Link
US (1) US5993432A (en)
EP (1) EP0871421B1 (en)
JP (1) JP3067808B2 (en)
KR (1) KR100459955B1 (en)
CN (1) CN1146680C (en)
AR (1) AR004832A1 (en)
AT (1) ATE222737T1 (en)
AU (1) AU726134B2 (en)
BR (1) BR9611875A (en)
CA (1) CA2239425C (en)
CO (1) CO4770987A1 (en)
CZ (1) CZ288098B6 (en)
DE (1) DE69623327T2 (en)
EG (1) EG21426A (en)
ES (1) ES2180814T3 (en)
HK (1) HK1016059A1 (en)
HU (1) HU221758B1 (en)
IL (1) IL124793A (en)
MX (1) MX9804420A (en)
MY (1) MY132372A (en)
NO (1) NO982535L (en)
SA (1) SA97170609B1 (en)
TR (1) TR199800998T2 (en)
TW (1) TW315301B (en)
WO (1) WO1997020531A1 (en)
ZA (1) ZA9610066B (en)

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IL124793A (en) 2001-11-25
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KR100459955B1 (en) 2005-01-15
MX9804420A (en) 1998-12-31
TW315301B (en) 1997-09-11
NO982535L (en) 1998-08-04
HUP9902070A2 (en) 1999-10-28
HK1016059A1 (en) 1999-10-29
CZ288098B6 (en) 2001-04-11
EP0871421B1 (en) 2002-08-28
BR9611875A (en) 1999-02-17
ATE222737T1 (en) 2002-09-15
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US5993432A (en) 1999-11-30
JP3067808B2 (en) 2000-07-24
AU1022097A (en) 1997-06-27
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CA2239425C (en) 2001-07-24
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NO982535D0 (en) 1998-06-03
AU726134B2 (en) 2000-11-02
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EP0871421A1 (en) 1998-10-21
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HU221758B1 (en) 2003-01-28
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CN1146680C (en) 2004-04-21

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