CA2173941A1 - Method and apparatus for combining a tensioned elastic member with a moving substrate web - Google Patents

Method and apparatus for combining a tensioned elastic member with a moving substrate web

Info

Publication number
CA2173941A1
CA2173941A1 CA2173941A CA2173941A CA2173941A1 CA 2173941 A1 CA2173941 A1 CA 2173941A1 CA 2173941 A CA2173941 A CA 2173941A CA 2173941 A CA2173941 A CA 2173941A CA 2173941 A1 CA2173941 A1 CA 2173941A1
Authority
CA
Canada
Prior art keywords
elastic member
drum
substrate web
web
vacuum grippers
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
CA2173941A
Other languages
French (fr)
Other versions
CA2173941C (en
Inventor
Walter Kenneth Ball
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
Walter Kenneth Ball
The Procter & Gamble Company
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 Walter Kenneth Ball, The Procter & Gamble Company filed Critical Walter Kenneth Ball
Publication of CA2173941A1 publication Critical patent/CA2173941A1/en
Application granted granted Critical
Publication of CA2173941C publication Critical patent/CA2173941C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/144—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers using layers with different mechanical or chemical conditions or properties, e.g. layers with different thermal shrinkage, layers under tension during bonding
    • 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
    • A61F13/15577—Apparatus or processes for manufacturing
    • A61F13/15585—Apparatus or processes for manufacturing of babies' napkins, e.g. diapers
    • A61F13/15593—Apparatus or processes for manufacturing of babies' napkins, e.g. diapers having elastic ribbons fixed thereto; Devices for applying the ribbons
    • A61F13/15601—Apparatus or processes for manufacturing of babies' napkins, e.g. diapers having elastic ribbons fixed thereto; Devices for applying the ribbons the ribbons being applied transversely to the direction of the movement of the webs the diapers are being made of
    • 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
    • Y10T156/1062—Prior to assembly
    • 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
    • Y10T156/1062—Prior to assembly
    • Y10T156/1075—Prior to assembly of plural laminae from single stock and assembling to each other or to additional lamina
    • 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
    • Y10T156/1062—Prior to assembly
    • Y10T156/1075—Prior to assembly of plural laminae from single stock and assembling to each other or to additional lamina
    • Y10T156/1077—Applying plural cut laminae to single face of additional lamina
    • 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
    • Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
    • Y10T156/1317—Means feeding plural workpieces to be joined
    • Y10T156/1322—Severing before bonding or assembling of parts
    • Y10T156/133—Delivering cut part to indefinite or running length web
    • 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
    • Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
    • Y10T156/1317—Means feeding plural workpieces to be joined
    • Y10T156/1322—Severing before bonding or assembling of parts
    • Y10T156/133—Delivering cut part to indefinite or running length web
    • Y10T156/1335—Cutter also delivers cut piece

Abstract

A method and apparatus for stretching an elastic member in cross machine direction and combining the elastic member, while held in tension, with a moving substrate web. A web of unstretched material, having elasticity across the direction of metering, is fed onto a first rotating drum at a speed slower than the surface speed of the drum. A cutter roll severs a portion of the unstretched material from its leading edge. Vacuum grippers in a drum slot beneath the elastic member support the ends of the member when it is cut from the web. Sealing dies are mounted to the surface of the vacuum grippers below the ends of the elastic member. As the first drum rotates further, the vacuum grippers are cammed axially outward within the slot to stretch the elastic member. Meanwhile, a substrate web is metered onto a second drum which rotates at the same surface speed as the first drum. The second drum rotates against the first drum but in the opposite direction. When the stretched elastic member reaches the nip point between drums, the sealing dies compression bond the ends of the stretched elastic member to the substrate web, using the second drum surface as an anvil surface. Vacuum applied to the second drum maintains the substrate web flat after the stretched elastic member is bonded and released by the vacuum grippers. A secondary sealing operation secures the stretched elastic member to the substrate web in locations other than the ends of the member before the elastic member and substrate web are allowed to contract.
CA002173941A 1993-10-25 1994-09-29 Method and apparatus for combining a tensioned elastic member with a moving substrate web Expired - Fee Related CA2173941C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/142,632 1993-10-25
US08/142,632 US5407507A (en) 1993-10-25 1993-10-25 Method and apparatus for combining a tensioned elastic member with a moving substrate web
PCT/US1994/011065 WO1995011650A1 (en) 1993-10-25 1994-09-29 Method and apparatus for combining a tensioned elastic member with a moving substrate web

Publications (2)

Publication Number Publication Date
CA2173941A1 true CA2173941A1 (en) 1995-05-04
CA2173941C CA2173941C (en) 1999-09-28

Family

ID=22500662

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002173941A Expired - Fee Related CA2173941C (en) 1993-10-25 1994-09-29 Method and apparatus for combining a tensioned elastic member with a moving substrate web

Country Status (9)

Country Link
US (1) US5407507A (en)
EP (1) EP0725612B1 (en)
JP (1) JP3481248B2 (en)
KR (1) KR100324167B1 (en)
AU (1) AU7961194A (en)
CA (1) CA2173941C (en)
DE (1) DE69422996T2 (en)
ES (1) ES2141845T3 (en)
WO (1) WO1995011650A1 (en)

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US5296080A (en) * 1988-04-19 1994-03-22 Paper Converting Machine Company Apparatus for applying an elastic waistband to a disposable diaper
US4925520A (en) * 1988-08-11 1990-05-15 Curt G. Joa, Inc. Apparatus for applying an elastic waistband transversely of a longitudinally moving web
US5308345A (en) * 1989-11-28 1994-05-03 John M. Tharpe System and method for manufacturing disposable diapers having elastic waistband
US5043036A (en) * 1990-03-30 1991-08-27 Minnesota Mining And Manufacturing Company Width stretching device
US5185052A (en) * 1990-06-06 1993-02-09 The Procter & Gamble Company High speed pleating apparatus
US5171391A (en) * 1991-02-26 1992-12-15 Weyerhaeuser Company Method of making an absorbent product
SE501940C2 (en) * 1992-09-15 1995-06-26 Moelnlycke Ab Method and apparatus for applying elastic elements to an elongate running web of material

Also Published As

Publication number Publication date
DE69422996T2 (en) 2000-07-20
EP0725612B1 (en) 2000-02-09
DE69422996D1 (en) 2000-03-16
CA2173941C (en) 1999-09-28
JPH09504202A (en) 1997-04-28
KR100324167B1 (en) 2002-07-06
ES2141845T3 (en) 2000-04-01
WO1995011650A1 (en) 1995-05-04
EP0725612A1 (en) 1996-08-14
US5407507A (en) 1995-04-18
AU7961194A (en) 1995-05-22
JP3481248B2 (en) 2003-12-22

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