CA2492904A1 - Method and device for production of a number of laminates - Google Patents

Method and device for production of a number of laminates Download PDF

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Publication number
CA2492904A1
CA2492904A1 CA002492904A CA2492904A CA2492904A1 CA 2492904 A1 CA2492904 A1 CA 2492904A1 CA 002492904 A CA002492904 A CA 002492904A CA 2492904 A CA2492904 A CA 2492904A CA 2492904 A1 CA2492904 A1 CA 2492904A1
Authority
CA
Canada
Prior art keywords
layer
powder
laminate
feed device
binder
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
CA002492904A
Other languages
French (fr)
Other versions
CA2492904C (en
Inventor
Herbert Gerlach
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.)
Korma SpA
Original Assignee
Individual
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
Priority claimed from DE20121347U external-priority patent/DE20121347U1/en
Application filed by Individual filed Critical Individual
Publication of CA2492904A1 publication Critical patent/CA2492904A1/en
Application granted granted Critical
Publication of CA2492904C publication Critical patent/CA2492904C/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
    • A61F13/515—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 characterised by the interconnection of the topsheet and the backsheet
    • 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
    • A61F13/15617—Making absorbent pads from fibres or pulverulent material with or without treatment of the fibres
    • A61F13/15642—Making absorbent pads from fibres or pulverulent material with or without treatment of the fibres by depositing continuous layers or pads of fibrous material on single sheets or webs
    • 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
    • A61F13/15617—Making absorbent pads from fibres or pulverulent material with or without treatment of the fibres
    • A61F13/15658—Forming continuous, e.g. composite, fibrous webs, e.g. involving the application of pulverulent material on parts thereof
    • 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
    • A61F13/15772—Control
    • 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
    • A61F13/53—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 absorbing medium
    • A61F13/531—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 absorbing medium having a homogeneous composition through the thickness of the pad
    • A61F13/532—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 absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
    • 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
    • A61F13/53—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 absorbing medium
    • A61F13/531—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 absorbing medium having a homogeneous composition through the thickness of the pad
    • A61F13/532—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 absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
    • A61F13/5323—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 absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad having absorbent material located in discrete regions, e.g. pockets
    • 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
    • A61F13/53—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 absorbing medium
    • A61F13/539—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 absorbing medium characterised by the connection of the absorbent layers with each other or with the outer layers
    • 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
    • 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.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles

Abstract

The invention relates to a method for the production of a laminate with at least one powder layer, whereby said powder layer is produced continuously. An adhesive (164) is applied at least in strips on a first layer (167), whereby the adhesive (164) is applied transverse to a direction of movement of the first layer (167), between layers of powder arranged separately from each other. A second layer (169) is continuously introduced to the first layer (165) such that the first (165) and the second (169) layers surround the powder layer (168). The invention further relates to a device for the continuous production of a laminate.

Claims (26)

1. Method for continuously producing a laminate (165) with at least one powder layer (10), wherein a first layer (167) is supplied to a second layer (168), and wherein the powder layer (10) is applied at least to the first layer, characterized in that before arranging the second layer on the powder layer (10) and the first layer, a portion of the powder layer (10) is removed from the first layer, thereby producing powder layers that are separated from one another.
2. Method of claim 1, characterized in that a binder (164) is arranged at least in strips between separated powder layers for producing a transverse seal (170) of the laminate.
3. Method of claim 1 or 2, characterized in that at least one binder feed device is used for applying to the first layer a first binder in the longitudinal direction for producing a longitudinal seal, and that a second binder feed device is used for applying to the second layer a second binder for producing a transverse seal upon contact of the second binder with the first layer.
4. Method of claim 1, 2, or 3, characterized in that for the transverse seal (170), a longitudinal seal (171) of the laminate is continuously produced.
5. Method of one of the foregoing claims, characterized in that the binder (164) is arranged at least in part discontinuously.
6. Method of one of the foregoing claims, characterized in that at least one portion of the seal is mechanically produced, with the binder producing a mechanically acting bond between the first and the second layer.
7. Method of one of the foregoing claims, characterized in that an adhesive is applied at least in part to the second layer, which is subsequently supplied to the first layer carrying the powder layer (10).
8. Method of one of the foregoing claims, characterized in that the first layer (167) and the second layer (168) are cut only after having totally sealed the powder layer (10).
9. Method of one of the foregoing claims, characterized in that the individual, separated and sealed powder layers (10) are deposited, and individual laminates are supplied to further processing.
10. Method of one of the foregoing claims, characterized in that completely sealed and spaced powder layers (10) are stored in a coherent manner and subsequently supplied to further processing, in which the sealed powder layers (10) are separated from one another at least in part.
11. Method of one of the foregoing claims, characterized in that as an ingredient of the powder layer, at least one material is used that is in a position to influence at least a direct environment of the laminate.
12. Method of one of the foregoing claims, characterized in that as an ingredient of the powder layer, at least one absorbent material is used, and that the laminate is produced as an absorbent sheet.
13. Method of one of the foregoing claims, characterized in that as an ingredient for the powder layer at least one odor-influencing material is used.
14. Method of one of the foregoing claims, characterized in that as an ingredient of the powder layer at least one detergent is used.
15. Method of one of the foregoing claims, characterized in that with the powder layer or in the place thereof, a material of a different geometric configuration is applied to the first layer.
16. Apparatus (97) for continuously producing a laminate (110), wherein the apparatus (97) comprises at least one first feed device for supplying a first layer (99), a second feed device for supplying a second layer (101), and a powder feed device, for arranging at least one powder layer between the first layer (99) and the second layer (101), characterized in that a material removing device, in particular a suction device is arranged for removing powder in defined locations from the first layer (99) before supplying the second layer to the first layer, in particular for removing it by suction, for producing interruptions along a length of the powder layer.
17. Apparatus for continuously producing a laminate (165), wherein the apparatus comprises at least one first feed device for supplying a first layer (147), a second feed device for supplying a second layer, and a powder feed device for arranging at least one powder layer (10) between the first layer and the second layer, characterized in that at least one crossbar (148) can be arranged on the first layer (147) crosswise to the direction of movement for forming a boundary surface for the powder that is to be applied, with the crossbar (148) being designed such that a surface on the first layer (147) is kept free, so that the surface can subsequently form a part of a transverse seal (170) of the laminate.
18. Apparatus for continuously producing a laminate, with the apparatus comprising a least one feed device for a first layer, a second feed device for a second layer, and a powder feed device, with the powder feed device arranging a powder on the first layer at least before the second feed device supplies the second layer to the first layer, characterized in that a binder feed device for producing a transverse seal is arranged relative the second feed device such that a binder can be applied to one side of the second layer, which is subsequently bonded to one side of the first layer, to which a powder layer has been applied.
19. Apparatus (97) of claims 16, 17, or 18, characterized in that a depositing device is arranged downstream, which receives the individual or interconnected powder layers that are separated from one another by being totally sealed.
20. Apparatus (97) of one of claims 16 to 19, characterized in that the apparatus, in particular a depositing device, comprises detection means, which permit distinguishing sections of the laminate with and without a powder layer.
21. Laminate (165) with at least one first layer (167), a second layer (169), and a powder layer (168), which is arranged between the first layer (167) and the second layer (169), characterized in that a transverse seal (170) comprises at least in part a different binder than a longitudinal seal.
22. Laminate of claim 21, characterized in that a force that is to be applied for destroying a transverse seal (170) is greater than a force that is to be applied in the case of a longitudinal seal (171), or vice versa.
23. Laminate (165) of claim 21 or 22, characterized in that the laminate includes a marking means, which permits detecting a cutting line.
24. Laminate produced in accordance with one of claims 1-23, characterized in that the laminate forms an absorbent pad or cloth.
25. Laminate produced in accordance with one of claims 1-23, characterized in that the laminate forms a scented pad or cloth.
26. Laminate produced in accordance with one of claims 1-23, characterized in that the laminate forms a detergent pad or cloth.
CA2492904A 2001-05-04 2002-05-04 Method and device for production of a number of laminates Expired - Fee Related CA2492904C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20121347.8 2001-05-04
DE20121347U DE20121347U1 (en) 2001-05-04 2001-05-04 Device for producing a plurality of layers of absorbent
PCT/EP2002/004907 WO2003000163A1 (en) 2001-05-04 2002-05-04 Method and device for production of a number of laminates

Publications (2)

Publication Number Publication Date
CA2492904A1 true CA2492904A1 (en) 2003-01-03
CA2492904C CA2492904C (en) 2010-04-06

Family

ID=7965817

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2492904A Expired - Fee Related CA2492904C (en) 2001-05-04 2002-05-04 Method and device for production of a number of laminates

Country Status (7)

Country Link
US (1) US7241358B2 (en)
EP (1) EP1389993A1 (en)
CN (1) CN100402282C (en)
CA (1) CA2492904C (en)
MX (1) MXPA03010110A (en)
RU (1) RU2266729C2 (en)
WO (1) WO2003000163A1 (en)

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JP5264583B2 (en) * 2009-03-23 2013-08-14 ユニ・チャーム株式会社 Composite sheet manufacturing method and manufacturing apparatus
DE102009055951A1 (en) 2009-11-27 2011-06-01 Glatfelter Falkenhagen Gmbh Absorbing structure
EP2532329B1 (en) * 2011-06-10 2018-09-19 The Procter and Gamble Company Method and apparatus for making absorbent structures with absorbent material
US9987484B2 (en) 2012-05-01 2018-06-05 Medtornic, Inc. Method and system for lead delivery
CN108995302A (en) * 2018-07-18 2018-12-14 重庆恒宏卫生用品有限公司 Napkin paper process units
CN111762361A (en) * 2020-06-28 2020-10-13 湖北蕲艾堂科技有限公司 Production process of multilayer material bag
CN112914836B (en) * 2021-03-29 2024-01-26 上海智联精工机械有限公司 Device and method for forming disposable sanitary article core

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Also Published As

Publication number Publication date
CN1529574A (en) 2004-09-15
MXPA03010110A (en) 2005-03-07
RU2266729C2 (en) 2005-12-27
CA2492904C (en) 2010-04-06
US7241358B2 (en) 2007-07-10
CN100402282C (en) 2008-07-16
US20040137215A1 (en) 2004-07-15
RU2003135217A (en) 2005-03-27
EP1389993A1 (en) 2004-02-25
WO2003000163A1 (en) 2003-01-03

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Effective date: 20130506