CA2254674A1 - Apertured web for disposable body exudates absorbent garments and method for making same - Google Patents

Apertured web for disposable body exudates absorbent garments and method for making same

Info

Publication number
CA2254674A1
CA2254674A1 CA002254674A CA2254674A CA2254674A1 CA 2254674 A1 CA2254674 A1 CA 2254674A1 CA 002254674 A CA002254674 A CA 002254674A CA 2254674 A CA2254674 A CA 2254674A CA 2254674 A1 CA2254674 A1 CA 2254674A1
Authority
CA
Canada
Prior art keywords
flat portions
portions
apertured web
making same
body exudates
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
CA002254674A
Other languages
French (fr)
Other versions
CA2254674C (en
Inventor
Takayuki Hisanaka
Hisashi Takai
Koichi Yamaki
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.)
Unicharm Corp
Original Assignee
Unicharm Corp
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 Unicharm Corp filed Critical Unicharm Corp
Publication of CA2254674A1 publication Critical patent/CA2254674A1/en
Application granted granted Critical
Publication of CA2254674C publication Critical patent/CA2254674C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • A61F13/51—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 outer layers
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/512—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/1059—Splitting sheet lamina in plane intermediate of faces
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/1082—Partial cutting bonded sandwich [e.g., grooving or incising]
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/1084—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing of continuous or running length bonded web
    • Y10T156/1085—One web only
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/1084—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing of continuous or running length bonded web
    • Y10T156/1087—Continuous longitudinal slitting
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
    • Y10T428/24281—Struck out portion type
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
    • Y10T428/24322—Composite web or sheet
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/02—Other than completely through work thickness
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/02—Other than completely through work thickness
    • Y10T83/0207—Other than completely through work thickness or through work presented
    • Y10T83/023—With infeeding of work
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/04—Processes
    • Y10T83/0495—Making and using a registration cut
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/04—Processes
    • Y10T83/0524—Plural cutting steps

Abstract

An apertured web for a topsheet of disposable garments includes a plurality of flat portions 8 extending in parallel one to another in one direction and a plurality of aperture rows defined between respective pairs of the adjacent flat portions 8. Each pair of the adjacent flat portions 8 with the aperture row therebetween are interconnected by a plurality of bridge-like portions 10 extending from these adjacent flat portions 8 across the aperture 9 defined by them. Each of the flat portions 8 is partially deformed upward to a level above the upper surface 13 of the flat portion 8 along peripheral edges of the respective apertures 9 so as to form a plurality of substantially saw-tooth-shaped rising portions 12 which make the upper surface of the web 1 relatively rough.
CA 2254674 1997-11-26 1998-11-25 Apertured web for disposable body exudates absorbent garments and method for making same Expired - Fee Related CA2254674C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP32459197 1997-11-26
JP9-324591 1997-11-26
JP25498098A JP3628883B2 (en) 1997-11-26 1998-09-09 Flexible sheet used for disposable wearing article and method for producing the same
JP10-254980 1998-09-09

Publications (2)

Publication Number Publication Date
CA2254674A1 true CA2254674A1 (en) 1999-05-26
CA2254674C CA2254674C (en) 2003-10-28

Family

ID=26541954

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2254674 Expired - Fee Related CA2254674C (en) 1997-11-26 1998-11-25 Apertured web for disposable body exudates absorbent garments and method for making same

Country Status (13)

Country Link
US (2) US6117524A (en)
EP (1) EP0919212B1 (en)
JP (1) JP3628883B2 (en)
KR (1) KR100587861B1 (en)
CN (1) CN1292723C (en)
AU (1) AU749486B2 (en)
BR (1) BR9805431A (en)
CA (1) CA2254674C (en)
DE (1) DE69816567T2 (en)
ID (1) ID21331A (en)
MY (1) MY118562A (en)
SG (1) SG68088A1 (en)
TW (1) TW535573U (en)

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JP3467432B2 (en) * 1999-06-24 2003-11-17 ユニ・チャーム株式会社 Flexible sheet for disposable wearing articles
JP3432176B2 (en) * 1999-06-29 2003-08-04 ユニ・チャーム株式会社 Plastic composite sheet and method for producing the same
JP3576052B2 (en) * 1999-10-29 2004-10-13 ユニ・チャーム株式会社 Flexible composite sheet used for disposable wearing articles
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JP3744759B2 (en) * 1999-12-27 2006-02-15 ユニ・チャーム株式会社 Flexible sheet used for disposable wearing articles
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JP3533359B2 (en) * 2000-03-31 2004-05-31 ユニ・チャーム株式会社 Flexible composite sheet and method for producing the same
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JP3771432B2 (en) * 2000-08-28 2006-04-26 ユニ・チャーム株式会社 Disposable body fluid absorbent article
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US7655176B2 (en) * 2002-12-20 2010-02-02 The Procter & Gamble Company Method of making a polymeric web exhibiting a soft and silky tactile impression
US7410683B2 (en) * 2002-12-20 2008-08-12 The Procter & Gamble Company Tufted laminate web
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Also Published As

Publication number Publication date
JP3628883B2 (en) 2005-03-16
KR19990045593A (en) 1999-06-25
MY118562A (en) 2004-12-31
US6117524A (en) 2000-09-12
BR9805431A (en) 2000-03-14
SG68088A1 (en) 1999-10-19
JPH11217453A (en) 1999-08-10
US6395122B1 (en) 2002-05-28
DE69816567T2 (en) 2004-06-09
DE69816567D1 (en) 2003-08-28
TW535573U (en) 2003-06-01
AU749486B2 (en) 2002-06-27
AU9408398A (en) 1999-06-17
EP0919212B1 (en) 2003-07-23
ID21331A (en) 1999-05-27
CN1232661A (en) 1999-10-27
KR100587861B1 (en) 2006-12-05
EP0919212A2 (en) 1999-06-02
EP0919212A3 (en) 2000-10-11
CN1292723C (en) 2007-01-03
CA2254674C (en) 2003-10-28

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Effective date: 20141125