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EP1541754A1 - Support pouvant être utilisé comme toile de machine à papier ou pour former une telle toile - Google Patents

Support pouvant être utilisé comme toile de machine à papier ou pour former une telle toile Download PDF

Info

Publication number
EP1541754A1
EP1541754A1 EP20030019005 EP03019005A EP1541754A1 EP 1541754 A1 EP1541754 A1 EP 1541754A1 EP 20030019005 EP20030019005 EP 20030019005 EP 03019005 A EP03019005 A EP 03019005A EP 1541754 A1 EP1541754 A1 EP 1541754A1
Authority
EP
European Patent Office
Prior art keywords
support
layers
carrier
support elements
paper machine
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
EP20030019005
Other languages
German (de)
English (en)
Other versions
EP1541754B1 (fr
Inventor
Walter Dr. Best
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.)
Heimbach GmbH and Co KG
Original Assignee
Heimbach GmbH and Co KG
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 Heimbach GmbH and Co KG filed Critical Heimbach GmbH and Co KG
Priority to ES03019005T priority Critical patent/ES2252601T3/es
Priority to DE50301884T priority patent/DE50301884D1/de
Priority to EP03019005A priority patent/EP1541754B1/fr
Priority to AT03019005T priority patent/ATE312234T1/de
Priority to CA 2478197 priority patent/CA2478197C/fr
Priority to US10/922,161 priority patent/US7357972B2/en
Publication of EP1541754A1 publication Critical patent/EP1541754A1/fr
Application granted granted Critical
Publication of EP1541754B1 publication Critical patent/EP1541754B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00—Paper making and fiber liberation
    • Y10S162/90—Papermaking press felts
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00—Paper making and fiber liberation
    • Y10S162/902—Woven fabric for papermaking drier section
    • 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.]
    • Y10T428/24008—Structurally defined web or sheet [e.g., overall dimension, etc.] including fastener for attaching to external surface
    • 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
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249923—Including interlaminar mechanical fastener

Definitions

  • the invention relates to a liquid-permeable Carrier as or for a papermachine clothing, the can be used in the press section of a paper machine, wherein the carrier comprises at least two layers which are themselves support each other via discrete support elements.
  • press felt clothing used for the guidance of the paper web through the press section of a paper machine suitable are conventional way as press felt educated.
  • Such press felts have a carrier consisting made of a woven fabric, a knitted fabric or a scrim, on which a fiber fleece is pinned, so that the fabric has a felt-like character.
  • the press felts by replacing a papermachine fabric that made two or more extruded and superimposed Tracks are composed, with the tracks over discrete support elements of different shapes mutually support (see EP 0 802 280 A2, Wo 01/98580 A1).
  • the support elements are also in the extrusion process educated. They are shaped so that they interlock and follow each other. They determine the distance between the two tracks.
  • the Webs themselves are porous, so that from the Paper web in the press squeezed out liquid the webs can pass through and the paper web thereby is drained. On the outsides of the two Webs can be applied to nonwoven layers, which with the tracks are connected. In this case, the forms Structure of webs and supporting elements a carrier for the fleece layers.
  • Such paper machine clothing has the property that they are the paper web in the front part of the press nip first drain very well.
  • the back part of the press nip arises however because of there continuously or suddenly decreasing press pressure one Rewetting the paper web, i. it drains water the backing and the paper side fleece back into the paper web.
  • the drainage performance of the Paper machine clothing significantly reduced.
  • the invention is based on the object, a carrier of the type mentioned above so that a Remoistening of the paper web in the rear part of the press nip significantly reduced or even completely is avoided.
  • an elastic coating is provided.
  • This coating can be made of rubber, polyurethane or another elastomer, for example silicone elastomer, consist.
  • the layers and support elements are suitably shaped that they are manufactured as extruded sheets of plastic can be.
  • plastics come first of all Polyamide 6, 6.6, 6.10, 6.12 or 12 or PTT in question, but also other plastics, such as those in to claims 16 to 23 of WO 01/98580 A1 are.
  • the wearer is liquid-permeable, he should be provided with a grid of perforations, the can be generated for example by means of a laser.
  • size and number of perforations per unit area can the permeability according to the respective Conditions are adapted individually.
  • the support elements are suitably designed so that they are reciprocal, so that the connection the layers over the support elements themselves.
  • the support elements can be mirror-inverted, however, be arranged offset to each other.
  • the support elements should be considered as in Longitudinal direction, i. Extrusion direction of the carrier extending Support webs may be formed.
  • the support members may be arcuate at their free ends be educated. Especially useful is a mushroom-like or arrow-like cross-section, as a result Webs are formed, which cover each other can.
  • the support elements have a notch, which expediently filled with the material of the elastic coating is. Furthermore, it may be expedient if the support elements have different distances.
  • the invention is based on an embodiment illustrated in more detail.
  • She shows you one partial cross section through a carrier 1 for a paper machine clothing, in the press section of a Paper machine should be used.
  • the carrier 1 consists from two extruded sheets 2, 3, the mirror image are formed.
  • the tracks 2, 3 have in cross section mushroom-shaped support webs 4, 5, 6 or 7, 8, 9, perpendicular to the plane of the drawing and thus in the direction of extrusion extend. They are arranged so that they leave behind with their lateral projections, after being clipped together beforehand.
  • Both webs 2, 3 have perforations - by way of example labeled 10, 11 - on, so are liquid permeable.
  • the carrier 1 is therefore for dewatering a Suitable for paper web.
  • the mutually facing sides of the webs 2, 3 and the Support webs 4, 5, 6, 7, 8, 9 are each with a continuous black coated coating 12, 13 provided, which consists of an elastomer or rubber.
  • the material of the coatings 12, 13 projects in blind holes - by way of example denoted by 14 - in, which in the Support webs 4, 5, 6, 7, 8, 9 are formed.
  • nonwoven layers can be applied and fixed, for example with the help of glue.
  • the running direction of such a support 1 extends perpendicular to the plane of the drawing.
  • the support webs 4, 5, 6, 7, 8, 9 initially without major pressure on each opposite web 2, 3 or their coating 12, 13 on.
  • Behind the press nip takes place a provision to the starting position due to Spring action of the coatings 12, 13. This is the free volume between the two webs 2, 3 abruptly enlarged with the result that the liquid in the perforations 12, 13 sucked back into the free interior becomes.

Landscapes

  • Paper (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
EP03019005A 2003-08-21 2003-08-21 Support pouvant être utilisé comme toile de machine à papier ou pour former une telle toile Expired - Lifetime EP1541754B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
ES03019005T ES2252601T3 (es) 2003-08-21 2003-08-21 Soporte actuante como revestimiento de maquina papelera o adecuado para el mismo.
DE50301884T DE50301884D1 (de) 2003-08-21 2003-08-21 Träger als oder für eine Papiermaschinenbespannung
EP03019005A EP1541754B1 (fr) 2003-08-21 2003-08-21 Support pouvant être utilisé comme toile de machine à papier ou pour former une telle toile
AT03019005T ATE312234T1 (de) 2003-08-21 2003-08-21 Träger als oder für eine papiermaschinenbespannung
CA 2478197 CA2478197C (fr) 2003-08-21 2004-08-19 Support d'habillage du papier
US10/922,161 US7357972B2 (en) 2003-08-21 2004-08-20 Support as or for a paper machine clothing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03019005A EP1541754B1 (fr) 2003-08-21 2003-08-21 Support pouvant être utilisé comme toile de machine à papier ou pour former une telle toile

Publications (2)

Publication Number Publication Date
EP1541754A1 true EP1541754A1 (fr) 2005-06-15
EP1541754B1 EP1541754B1 (fr) 2005-12-07

Family

ID=34259139

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03019005A Expired - Lifetime EP1541754B1 (fr) 2003-08-21 2003-08-21 Support pouvant être utilisé comme toile de machine à papier ou pour former une telle toile

Country Status (6)

Country Link
US (1) US7357972B2 (fr)
EP (1) EP1541754B1 (fr)
AT (1) ATE312234T1 (fr)
CA (1) CA2478197C (fr)
DE (1) DE50301884D1 (fr)
ES (1) ES2252601T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105247135A (zh) * 2013-03-26 2016-01-13 阿斯顿约翰逊公司 机械互锁的无纺工业织物

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005060525A1 (de) * 2005-12-17 2007-06-21 Voith Patent Gmbh Transportband
CA2791864A1 (fr) * 2012-10-04 2014-04-04 Allan R. MANNINEN Structures de film pour textile industriel non tisse autobloquant

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001098580A1 (fr) * 2000-06-20 2001-12-27 Baker Samuel M Bandes continues emboitees non tissees et tissus industriels non tisses assembles a partir de celles-ci

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE446994B (sv) * 1977-11-21 1986-10-20 Nordiskafilt Ab Avvattningsfilt
FI72159C (fi) * 1981-05-07 1987-04-13 Valmet Oy Kompakt pressparti i pappersmaskin.
US6124015A (en) 1996-04-18 2000-09-26 Jwi Ltd. Multi-ply industrial fabric having integral jointing structures
US6106922A (en) * 1997-10-03 2000-08-22 3M Innovative Company Coextruded mechanical fastener constructions
CA2313867A1 (fr) * 1999-07-19 2001-01-19 Paul C. Fleri Melanges de polymeres composes de poly(trimethylene terephtalate) et d'un polyester elastomere
JP2003204809A (ja) * 2002-01-10 2003-07-22 Three M Innovative Properties Co 面ファスナー

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001098580A1 (fr) * 2000-06-20 2001-12-27 Baker Samuel M Bandes continues emboitees non tissees et tissus industriels non tisses assembles a partir de celles-ci

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105247135A (zh) * 2013-03-26 2016-01-13 阿斯顿约翰逊公司 机械互锁的无纺工业织物
CN105247135B (zh) * 2013-03-26 2018-04-10 阿斯顿约翰逊公司 机械互锁的无纺工业织物

Also Published As

Publication number Publication date
CA2478197C (fr) 2008-07-15
DE50301884D1 (de) 2006-01-12
ATE312234T1 (de) 2005-12-15
US7357972B2 (en) 2008-04-15
US20050233111A1 (en) 2005-10-20
EP1541754B1 (fr) 2005-12-07
CA2478197A1 (fr) 2005-02-21
ES2252601T3 (es) 2006-05-16

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