EP0934443A1 - Toile de gaufrage de papeterie - Google Patents

Toile de gaufrage de papeterie

Info

Publication number
EP0934443A1
EP0934443A1 EP97943986A EP97943986A EP0934443A1 EP 0934443 A1 EP0934443 A1 EP 0934443A1 EP 97943986 A EP97943986 A EP 97943986A EP 97943986 A EP97943986 A EP 97943986A EP 0934443 A1 EP0934443 A1 EP 0934443A1
Authority
EP
European Patent Office
Prior art keywords
fabric
papermakers
lands
impression
nonwoven layer
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.)
Withdrawn
Application number
EP97943986A
Other languages
German (de)
English (en)
Inventor
Annette Gustafsson
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.)
Scapa Group Ltd
Original Assignee
Scapa Group Ltd
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 Scapa Group Ltd filed Critical Scapa Group Ltd
Publication of EP0934443A1 publication Critical patent/EP0934443A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/0027—Screen-cloths
    • D21F1/0036—Multi-layer screen-cloths
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/006—Making patterned paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F7/00—Other details of machines for making continuous webs of paper
    • D21F7/08—Felts
    • D21F7/083—Multi-layer felts

Definitions

  • the present invention relates to a papermakers impression fabric which is
  • press fabrics for paper comprise one or more woven or
  • nonwoven basecloths and one or more layers of staple fibres typically consisting of
  • an impression fabric i.e. a press fabric with an embossing surface for providing a system of channels in the surface of
  • surface area of the embossed pulp sheet is important in that jets of hot air are used to
  • the embossing surface is desirable for providing a similar channel system
  • the present invention has been made from a consideration of these problems
  • a papermakers impression fabric said impression fabric having a pulp or paper support surface and a non-support
  • the impression fabric comprising a nonwoven layer in combination with a
  • the nonwoven layer is located at the pulp or paper supporting surface of the fabric, the nonwoven layer comprising polymer lands which, when in use, act to emboss the surface of the sheet of pulp or web of paper located
  • the press fabric in accordance with the present invention exhibits superior
  • thermoplastic material ideally comprise elastomeric material for increased resilience.
  • a thermoplastic material ideally comprise elastomeric material for increased resilience.
  • lands includes any of the following either alone or in combination:- polyurethane such
  • thermoplastic polyurethane silicone, polyester, polyamide or thermoplastic elastomer.
  • the support fabric may comprise a woven fabric and/or at least one nonwoven
  • the pulp sheet or paper web comprises a nonwoven membrane, preferably in the form
  • These yarns are preferably multifilament yarns owing
  • the distance between the midpoints of the machine direction lands is ideally in
  • the machine direction lands may be any shape when
  • the top of the triangular profile may be missing so as to provide a truncated triangular shape.
  • a groove may be provided in
  • the cross-machine direction lands preferably lie below the upper surface plane
  • One or more layers of staple fibre comprising
  • polyamide different types are preferably provided on the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper side of the pulp or paper
  • the membrane geometry may be altered so that every one machine direction
  • At least some of the cross-machine direction lands may contain a
  • the cross-machine direction lands may run perpendicular to the machine
  • direction lands or may be set at another angle up to 45°
  • supporting the pulp sheet or paper web comprises a fibrous nonwoven batt containing
  • polymer lands extending generally in the machine direction of the fabric At least one in two of these lands contain a yarn in order to provide a dimensionally stable
  • These yarns are preferably multifilament yarns owing to their
  • the distance between the midpoints of the machine direction lands is ideally in the
  • the machine direction lands may be any shape when
  • This layer is preferably formed from a strip of fibrous batt material consisting of
  • the support fabric is ideally secured to the nonwoven layer, for example, by
  • Staple fibres may be secured to one or both sides of the press fabric so as to
  • embossing surface of the press fabric should not be masked by an excessive amount of
  • the remote side of the fabric ideally comprises a
  • the fabrics of the present invention are easily jointed so as to provide a seamed
  • a reinforcing land i.e. an at least partially encapsulated and/or impregnated yarn
  • nonwoven layer is stiffer and more dimensionally stable than a springy coarse
  • the fabric of the present invention has particular application in the press
  • the fabric of the invention may be used to imprint a
  • the fabric of the invention may also be used as a papermakers fabric to give a desired embossing pattern in a paper web on a
  • polyester e.g.
  • Hytrel or polyamide
  • Fig.1 is a perspective view of one fabric in accordance with the present
  • Fig.2 is a cross-section through the cross-machine direction of the fabric of
  • Fig.3 shows alternative designs for the machine direction lands of the
  • membrane 12 is preferably made in accordance with the method disclosed in GB
  • edges of the membrane may be joined in accordance with the method
  • a batt 13 of staple fibres is secured to the base of the fabric
  • this base of the fabric 10 is located to the side of the fabric that is remote from the pulp sheet or paper web which is supported on the fabric.
  • the cross-machine direction lands 14 are all set at a
  • Yarns 16 are provided in the machine direction lands 15 so as to
  • the machine direction lands may be square in cross-section. However, they are
  • the nonwoven membrane acts to emboss a mesh pattern in the pulp sheet or paper web supported thereon.
  • This mesh channel pattern acts to optimise drying of the pulp sheet or paper web supported thereon.

Landscapes

  • Paper (AREA)

Abstract

Toile de gaufrage (10) de papeterie comportant une couche non tissée (12) combinée à une toile de support (11). La couche non tissée (12) est située au niveau de la surface de la toile supportant la pâte à papier ou le papier. Cette couche non tissée comprend des zones de contact polymères (15) servant à gaufrer la surface de la couche de pâte à papier ou de la bande de papier posée sur ladite couche.
EP97943986A 1996-10-26 1997-10-01 Toile de gaufrage de papeterie Withdrawn EP0934443A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9622303.7A GB9622303D0 (en) 1996-10-26 1996-10-26 Papermakers impression fabric
GB9622303 1996-10-26
PCT/GB1997/002702 WO1998019008A1 (fr) 1996-10-26 1997-10-01 Toile de gaufrage de papeterie

Publications (1)

Publication Number Publication Date
EP0934443A1 true EP0934443A1 (fr) 1999-08-11

Family

ID=10801980

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97943986A Withdrawn EP0934443A1 (fr) 1996-10-26 1997-10-01 Toile de gaufrage de papeterie

Country Status (5)

Country Link
EP (1) EP0934443A1 (fr)
AU (1) AU4563697A (fr)
GB (1) GB9622303D0 (fr)
WO (1) WO1998019008A1 (fr)
ZA (1) ZA979056B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7265067B1 (en) * 1998-06-19 2007-09-04 The Procter & Gamble Company Apparatus for making structured paper
WO2000039393A1 (fr) * 1998-12-30 2000-07-06 Kimberly-Clark Worldwide, Inc. Procede de fabrication de papier utilisant une toile de transfert rapide tridimensionnelle
US6673202B2 (en) * 2002-02-15 2004-01-06 Kimberly-Clark Worldwide, Inc. Wide wale tissue sheets and method of making same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4283454A (en) * 1980-02-08 1981-08-11 Porritts & Spencer Inc. Papermakers wet felt with ribbed and smooth surface textures
US4541895A (en) * 1982-10-29 1985-09-17 Scapa Inc. Papermakers fabric of nonwoven layers in a laminated construction
US4944820A (en) * 1988-04-08 1990-07-31 Beloit Corporation Method for making a blanket for an extended nip press
FR2646181B1 (fr) * 1989-04-21 1991-07-26 Gascogne Papeteries Procede de marquage d'une structure souple, structure souple ainsi obtenue et son utilisation dans un procede de marquage d'une feuille cellulosique
US5225269A (en) * 1989-06-28 1993-07-06 Scandiafelt Ab Press felt
US4946731A (en) * 1989-09-28 1990-08-07 Albany International Corp. Construction for an extended nip press belt
GB9107166D0 (en) * 1991-04-05 1991-05-22 Scapa Group Plc Papermachine clothing

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9819008A1 *

Also Published As

Publication number Publication date
ZA979056B (en) 1999-04-09
WO1998019008A1 (fr) 1998-05-07
AU4563697A (en) 1998-05-22
GB9622303D0 (en) 1996-12-18

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

Effective date: 19990331

AK Designated contracting states

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Designated state(s): DE FR GB SE

STAA Information on the status of an ep patent application or granted ep patent

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18W Application withdrawn

Withdrawal date: 19991020