CA2207069C - Process for forming laminated absorbent structure - Google Patents

Process for forming laminated absorbent structure Download PDF

Info

Publication number
CA2207069C
CA2207069C CA002207069A CA2207069A CA2207069C CA 2207069 C CA2207069 C CA 2207069C CA 002207069 A CA002207069 A CA 002207069A CA 2207069 A CA2207069 A CA 2207069A CA 2207069 C CA2207069 C CA 2207069C
Authority
CA
Canada
Prior art keywords
major surface
fibrous substrate
absorbent material
absorbent
providing
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 - Fee Related
Application number
CA002207069A
Other languages
English (en)
French (fr)
Other versions
CA2207069A1 (en
Inventor
Kenneth Pelley
Lynn Foelsch
William M. Bickley
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.)
Kenvue Brands LLC
Original Assignee
McNeil PPC Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23378763&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2207069(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by McNeil PPC Inc filed Critical McNeil PPC Inc
Publication of CA2207069A1 publication Critical patent/CA2207069A1/en
Application granted granted Critical
Publication of CA2207069C publication Critical patent/CA2207069C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53Absorbent 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 absorbing medium
    • A61F13/534Absorbent 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 absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/535Absorbent 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 absorbing medium having an inhomogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15577Apparatus or processes for manufacturing
    • A61F13/15617Making absorbent pads from fibres or pulverulent material with or without treatment of the fibres
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53Absorbent 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 absorbing medium
    • A61F13/534Absorbent 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 absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/53409Absorbent 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 absorbing medium having an inhomogeneous composition through the thickness of the pad having a folded core
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53Absorbent 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 absorbing medium
    • A61F2013/530481Absorbent 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 absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10Methods of surface bonding and/or assembly therefor
    • Y10T156/1002Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1007Running or continuous length work
    • Y10T156/1015Folding

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Public Health (AREA)
  • Manufacturing & Machinery (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Laminated Bodies (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
CA002207069A 1994-12-07 1995-12-06 Process for forming laminated absorbent structure Expired - Fee Related CA2207069C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US35092094A 1994-12-07 1994-12-07
US08/350,920 1994-12-07
PCT/US1995/015904 WO1996017574A2 (en) 1994-12-07 1995-12-06 Process for forming laminated absorbent structure

Publications (2)

Publication Number Publication Date
CA2207069A1 CA2207069A1 (en) 1996-06-13
CA2207069C true CA2207069C (en) 2008-01-22

Family

ID=23378763

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002207069A Expired - Fee Related CA2207069C (en) 1994-12-07 1995-12-06 Process for forming laminated absorbent structure

Country Status (18)

Country Link
US (1) US5766388A (en, 2012)
EP (1) EP0796068B1 (en, 2012)
JP (1) JPH10510185A (en, 2012)
AR (1) AR000299A1 (en, 2012)
AT (1) ATE200857T1 (en, 2012)
AU (1) AU696431B2 (en, 2012)
BR (1) BR9509978A (en, 2012)
CA (1) CA2207069C (en, 2012)
CO (1) CO4650172A1 (en, 2012)
DE (1) DE69520837T2 (en, 2012)
IN (1) IN187105B (en, 2012)
MA (1) MA23736A1 (en, 2012)
MX (1) MX9704278A (en, 2012)
TR (1) TR199501541A2 (en, 2012)
TW (1) TW323952B (en, 2012)
UY (1) UY24103A1 (en, 2012)
WO (1) WO1996017574A2 (en, 2012)
ZA (1) ZA9510380B (en, 2012)

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US8258367B2 (en) 2006-11-29 2012-09-04 The Procter & Gamble Company Disposable absorbent articles having an interior design signal
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CN103596535B (zh) 2011-06-10 2015-11-25 宝洁公司 用于一次性吸收制品的吸收芯
DE102013018940A1 (de) 2012-11-13 2014-05-15 The Procter & Gamble Company Absorptionsartikel mit Kanälen und Signalen
EP2740452B1 (en) 2012-12-10 2021-11-10 The Procter & Gamble Company Absorbent article with high absorbent material content
US10639215B2 (en) 2012-12-10 2020-05-05 The Procter & Gamble Company Absorbent articles with channels and/or pockets
US9216118B2 (en) 2012-12-10 2015-12-22 The Procter & Gamble Company Absorbent articles with channels and/or pockets
EP2740450A1 (en) 2012-12-10 2014-06-11 The Procter & Gamble Company Absorbent core with high superabsorbent material content
US8979815B2 (en) 2012-12-10 2015-03-17 The Procter & Gamble Company Absorbent articles with channels
US9216116B2 (en) 2012-12-10 2015-12-22 The Procter & Gamble Company Absorbent articles with channels
EP2740449B1 (en) 2012-12-10 2019-01-23 The Procter & Gamble Company Absorbent article with high absorbent material content
US9375507B2 (en) 2013-04-10 2016-06-28 Evonik Corporation Particulate superabsorbent polymer composition having improved stability
US9302248B2 (en) 2013-04-10 2016-04-05 Evonik Corporation Particulate superabsorbent polymer composition having improved stability
DE202014011107U1 (de) 2013-06-14 2017-12-15 The Procter & Gamble Company Bei Nässe Kanäle bildender absorbierender Artikel und absorbierender Kern
JP6334705B2 (ja) 2013-08-27 2018-05-30 ザ プロクター アンド ギャンブル カンパニー チャネルを有する吸収性物品
US9987176B2 (en) 2013-08-27 2018-06-05 The Procter & Gamble Company Absorbent articles with channels
MX2016003391A (es) 2013-09-16 2016-06-24 Procter & Gamble Articulos absorbentes con canales y señales.
US11207220B2 (en) 2013-09-16 2021-12-28 The Procter & Gamble Company Absorbent articles with channels and signals
EP2851048B1 (en) 2013-09-19 2018-09-05 The Procter and Gamble Company Absorbent cores having material free areas
EP2886092B1 (en) 2013-12-19 2016-09-14 The Procter and Gamble Company Absorbent cores having channel-forming areas and c-wrap seals
US9789009B2 (en) 2013-12-19 2017-10-17 The Procter & Gamble Company Absorbent articles having channel-forming areas and wetness indicator
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Also Published As

Publication number Publication date
WO1996017574A2 (en) 1996-06-13
ATE200857T1 (de) 2001-05-15
EP0796068A2 (en) 1997-09-24
UY24103A1 (es) 1995-03-25
EP0796068B1 (en) 2001-05-02
DE69520837D1 (de) 2001-06-07
MA23736A1 (fr) 1996-07-01
DE69520837T2 (de) 2002-03-28
WO1996017574A3 (en) 1996-08-29
AU4292196A (en) 1996-06-26
CO4650172A1 (es) 1998-09-03
ZA9510380B (en) 1997-06-06
AU696431B2 (en) 1998-09-10
IN187105B (en, 2012) 2002-02-02
BR9509978A (pt) 1998-06-09
TR199501541A2 (tr) 1996-07-21
CA2207069A1 (en) 1996-06-13
MX9704278A (es) 1997-09-30
US5766388A (en) 1998-06-16
AR000299A1 (es) 1997-06-18
JPH10510185A (ja) 1998-10-06
TW323952B (en) 1998-01-01

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