EP0920982A1 - Coussinet pour presse - Google Patents

Coussinet pour presse Download PDF

Info

Publication number
EP0920982A1
EP0920982A1 EP98120718A EP98120718A EP0920982A1 EP 0920982 A1 EP0920982 A1 EP 0920982A1 EP 98120718 A EP98120718 A EP 98120718A EP 98120718 A EP98120718 A EP 98120718A EP 0920982 A1 EP0920982 A1 EP 0920982A1
Authority
EP
European Patent Office
Prior art keywords
metal
press pad
thread
pad according
threads
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
EP98120718A
Other languages
German (de)
English (en)
Other versions
EP0920982B1 (fr
Inventor
Walter Halterbeck
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
Thomas Josef Heimbach and Co GmbH
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 Thomas Josef Heimbach and Co GmbH filed Critical Thomas Josef Heimbach and Co GmbH
Publication of EP0920982A1 publication Critical patent/EP0920982A1/fr
Application granted granted Critical
Publication of EP0920982B1 publication Critical patent/EP0920982B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/06—Platens or press rams
    • B30B15/061—Cushion plates
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/12—Threads containing metallic filaments or strips
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/36—Cored or coated yarns or threads

Definitions

  • the invention relates to a press pad for use in Laminating presses with a fabric made of crossing threads, there are threads which are a soul thread have, at least on the outside of a rubber-elastic material and of at least one Metal wire are surrounded.
  • layer materials for example decorative chipboard coatings
  • laminating presses which as low or high pressure floor presses or short-cycle presses
  • Press pads used to do the job Full pressure on the material to be pressed evenly transfer.
  • the press pads need high pressures as well withstand the temperatures in such presses can, and they must be able to respond to those of the Press plates outgoing heat quickly and without major losses to transfer to the pressed material, so a high thermal conductivity to have in this direction.
  • Press pads are known in the prior art, which are made of a fabric consisting of two types of threads (EP 0 493 630 A1).
  • Threads made of metal or have a metal component around which To improve heat transfer to the pressed material.
  • Threads made from aromatic polyamide EP 0 493 630 A1
  • silicone elastomer DE 295 18 204 U1
  • Rubber, heat-resistant plastic monofilament or the like EP 0 713 762
  • EP 0 493 630 A1 describes monofilament or multifilament metal yarns or described those in which metal threads wrap the textile yarn. About the type of winding is nothing said in EP 0 493 630 A1.
  • With the press pad according to DE 295 18 304 U1 are metal strands as metal threads, so twisted metal wires, made of copper, brass or steel provided.
  • the invention is therefore based on the object To design press pads of the type mentioned at the beginning, that the heat transfer is improved and thus the heating of the pressed material can be accelerated and that it is inexpensive to manufacture.
  • the metal wire or the metal wires around the at least partially rubber-elastic soul thread is or are or that around this soul thread metal wires are stranded.
  • Such threads on the one hand compressible due to their rubber-elastic content are, but on the outside with at least one Metal wire are provided, preferably in full Covering the soul thread are comparative easy and inexpensive to manufacture. They draw is also characterized by a constantly round cross section and have a comparatively smooth surface, even if they are made up of several metal wires. Hereby are the contact to the press plate or to the material to be pressed and so that the heat transfer is significantly improved. It is it is expedient if the soul thread in at least two layers is surrounded by metal wires, preferably in any position with full coverage.
  • the rubber-elastic material has a Shore A hardness of Has 60 to 75. This hardness favors the storage of threads running transversely to it and thus a firm fabric bond. In addition, the residual compressibility remains Threads according to the invention at this hardness for a long time receive.
  • All materials that have rubber-elastic properties and are able to withstand the temperatures in the feed are suitable for the rubber-elastic material.
  • Silicone elastomers are particularly suitable.
  • a foamed rubber-elastic material is recommended, preferably with a specific weight of 0.3 to 0.5 g / cm 3 .
  • Such metal materials should be used for the metal wires that have a high thermal conductivity. Copper or strength-modified materials are particularly suitable for this Copper alloys. That way the high thermal conductivity and the low price of this Material used for the press pad according to the invention become.
  • the use of is particularly advantageous not annealed copper (hard copper) as it has high strength Has. But also annealed copper (soft copper) it is an option.
  • the threads should have a diameter of at least 1 mm, preferably at least 1.5 mm.
  • the soul thread Question It is conducive to heat conduction if the soul thread as a metal wire, a metal wire and / or a metal thread is formed in the metal wires around a central thread is stranded.
  • textile materials such as plastic monofilaments or - multifile in question, taking heat-resistant materials such as for example aramids, PPS, PEK; PEEK or the like, appropriate are.
  • the soul thread should consist of one Central thread and a sheath surrounding it the rubber-elastic material consist of the thread to give more strength.
  • the central thread can be used as Plastic monofilament or multifilament or as metal wire, Metal wire or metal thread can be formed in the metal wires are stranded around a core thread.
  • the stranded metal wires are stranded partly in an S-shape and partly in a Z-shape, this advantageously being done alternately. This can be a Hiking "of the press pad in the press can be avoided effectively.
  • the threads described above can be made with metal threads be combined, which have no rubber-elastic portion but have a central thread made of metal or Plastic wrapped by at least one metal wire is.
  • metal wires can be around the central thread be stranded. In both cases one makes of the already mentioned advantages use that a very smooth surface and thus good heat transfer achieved becomes. Such metal threads can be provided if the heat transfer through the threads described above with rubber-elastic content is not sufficient.
  • Figure 1 shows a thread 1 for a not shown here Press pad. It is intended for a fabric for example woven in a plain or twill weave is, as a transverse thread. Such tissues come as Press pads or as a base fabric for press pads.
  • the thread 1 has an elastomer core 2 made of a silicone elastomer, the - which is not shown here - surrounds a central thread, which can be constructed arbitrarily can, for example as a metal or plastic thread.
  • the thread 1 is therefore for Improvement of the heat transfer through a manufactured with it Press pad suitable, be it that threads 1 alone form the metallic part in the press cushion, be it additional to longitudinal metal threads or be it that the Longitudinal threads are formed in the same way as the thread 1.
  • Figure 2 shows a thread 4, which as a replacement for or in Combination with the thread 1 according to FIG. 1 in a press cushion Can be used. He also has one Elastomer core 5 made of a silicone elastomer, which - what is also not shown here - a central thread surrounds that be constructed in the same way can, as with the thread 1 according to FIG. 1.
  • a metal wire 6 is wound around the elastomer core 5, in such a way that it covers the entire area of the elastomer core 5 surrounds and thus formed a gapless metal sheath becomes. It is appropriate that around the metal wire 6 a another metal wire wound in the opposite direction is, so that there is then a two-layer metal coating results. This ensures that even in bends one ensures complete encapsulation of the elastomer core 5 is.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Woven Fabrics (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Liquid Crystal (AREA)
  • Bipolar Transistors (AREA)
  • Details Of Garments (AREA)
  • Presses And Accessory Devices Thereof (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Particle Accelerators (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Braking Systems And Boosters (AREA)
  • Confectionery (AREA)
  • Magnetically Actuated Valves (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Finger-Pressure Massage (AREA)
  • Food-Manufacturing Devices (AREA)
  • Laminated Bodies (AREA)
  • Ropes Or Cables (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)
EP98120718A 1997-12-05 1998-10-31 Coussinet pour presse Expired - Lifetime EP0920982B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29721494U DE29721494U1 (de) 1997-12-05 1997-12-05 Preßpolster
DE29721494U 1997-12-05

Publications (2)

Publication Number Publication Date
EP0920982A1 true EP0920982A1 (fr) 1999-06-09
EP0920982B1 EP0920982B1 (fr) 2002-04-17

Family

ID=8049521

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98120718A Expired - Lifetime EP0920982B1 (fr) 1997-12-05 1998-10-31 Coussinet pour presse

Country Status (9)

Country Link
EP (1) EP0920982B1 (fr)
AT (1) ATE216313T1 (fr)
CZ (1) CZ294672B6 (fr)
DE (2) DE29721494U1 (fr)
ES (1) ES2173538T3 (fr)
HU (1) HU219896B (fr)
PL (1) PL188167B1 (fr)
PT (1) PT920982E (fr)
SK (1) SK284457B6 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6342457B1 (en) 1999-03-03 2002-01-29 Thomas Josef Heimbach Gesellschaft Mit Beschrankter Haftung & Co. Pressing cushion
US6413889B1 (en) 1999-03-03 2002-07-02 Thomas Josef Heimbach Gesellschaft Mit Beschrankter Haftung & Co. Pressing cushion
EP1362940A1 (fr) * 2002-05-13 2003-11-19 N.V. Bekaert S.A. Fil conducteur d'électricité comprenant des fibres metalliques
EP1508433A1 (fr) * 2003-08-13 2005-02-23 RHEINISCHE FILZTUCHFABRIK GmbH Coussinet de presse
DE10352754B3 (de) * 2003-11-12 2005-06-30 Bachmann Kunststoff Technologien Gmbh Heiss-Pressvorrichtung mit einem Pressblech und mindestens einem elastischen Belag

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1040909B1 (fr) * 1999-03-03 2001-08-08 Thomas Josef Heimbach Gesellschaft mit beschränkter Haftung & Co. Coussinet pour presse
DE10124090B4 (de) * 2001-02-02 2012-07-12 Gkd - Gebr. Kufferath Ag Produktionsmaschine für verdichtete Holzprodukte sowie Verwendung eines Mischgewebes für derarige Produktionsmaschinen
DE20115945U1 (de) 2001-09-27 2001-12-13 Thomas Josef Heimbach GmbH & Co., 52353 Düren Preßpolster
DE202007006849U1 (de) 2007-05-10 2008-06-26 Heimbach Gmbh & Co. Kg Presspolster mit Randverstärkung
DE202010001226U1 (de) 2010-01-20 2011-05-26 Helmbach GmbH & Co. KG, 52353 Presspolster
CN104120528A (zh) * 2014-07-24 2014-10-29 太仓天龙化纤有限公司 螺旋弹力丝

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0187686A2 (fr) * 1985-01-11 1986-07-16 Vittoria Cherio Fil en caoutchouc revêtu d'un ou plusieurs cordons enroulés en spires ayant une élasticité réduite et limitée, procédé et dispositif pour sa production
JPS61194237A (ja) * 1985-02-21 1986-08-28 東レ・デュポン株式会社 金属線複合弾性糸
US4936085A (en) * 1989-06-13 1990-06-26 Kolmes Nathaniel H Yarn and glove
US5298322A (en) * 1990-12-31 1994-03-29 Rheinische Filztuchfabrik Gmbh Press pad for high-pressure presses
DE29518204U1 (de) * 1994-10-26 1996-05-09 Marathon Belting Ltd., Rochdale Preßpolster für eine Schichtstoffpresse
EP0713762A2 (fr) * 1994-11-25 1996-05-29 RHEINISCHE FILZTUCHFABRIK GmbH Coussinet de pressage pour presses à haute et à basse pression

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0187686A2 (fr) * 1985-01-11 1986-07-16 Vittoria Cherio Fil en caoutchouc revêtu d'un ou plusieurs cordons enroulés en spires ayant une élasticité réduite et limitée, procédé et dispositif pour sa production
JPS61194237A (ja) * 1985-02-21 1986-08-28 東レ・デュポン株式会社 金属線複合弾性糸
US4936085A (en) * 1989-06-13 1990-06-26 Kolmes Nathaniel H Yarn and glove
US5298322A (en) * 1990-12-31 1994-03-29 Rheinische Filztuchfabrik Gmbh Press pad for high-pressure presses
DE29518204U1 (de) * 1994-10-26 1996-05-09 Marathon Belting Ltd., Rochdale Preßpolster für eine Schichtstoffpresse
EP0713762A2 (fr) * 1994-11-25 1996-05-29 RHEINISCHE FILZTUCHFABRIK GmbH Coussinet de pressage pour presses à haute et à basse pression

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section Ch Week 8641, Derwent World Patents Index; Class F02, AN 86-268011, XP002098255 *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6342457B1 (en) 1999-03-03 2002-01-29 Thomas Josef Heimbach Gesellschaft Mit Beschrankter Haftung & Co. Pressing cushion
US6413889B1 (en) 1999-03-03 2002-07-02 Thomas Josef Heimbach Gesellschaft Mit Beschrankter Haftung & Co. Pressing cushion
EP1362940A1 (fr) * 2002-05-13 2003-11-19 N.V. Bekaert S.A. Fil conducteur d'électricité comprenant des fibres metalliques
WO2003095725A1 (fr) * 2002-05-13 2003-11-20 N.V. Bekaert S.A. Fil conducteur d'electricite comprenant des fibres de metal
US6957525B2 (en) 2002-05-13 2005-10-25 N.V. Bekaert S.A. Electrically conductive yarn comprising metal fibers
CN100467687C (zh) * 2002-05-13 2009-03-11 贝卡尔特股份有限公司 包括有多根金属纤维的导电纱线
EP1508433A1 (fr) * 2003-08-13 2005-02-23 RHEINISCHE FILZTUCHFABRIK GmbH Coussinet de presse
DE10352754B3 (de) * 2003-11-12 2005-06-30 Bachmann Kunststoff Technologien Gmbh Heiss-Pressvorrichtung mit einem Pressblech und mindestens einem elastischen Belag

Also Published As

Publication number Publication date
PT920982E (pt) 2002-08-30
CZ382298A3 (cs) 1999-06-16
DE59803834D1 (de) 2002-05-23
EP0920982B1 (fr) 2002-04-17
DE29721494U1 (de) 1998-02-19
SK284457B6 (sk) 2005-04-01
HU219896B (hu) 2001-08-28
SK166998A3 (en) 1999-07-12
HU9802777D0 (en) 1999-01-28
PL188167B1 (pl) 2004-12-31
CZ294672B6 (cs) 2005-02-16
PL330108A1 (en) 1999-06-07
HUP9802777A1 (hu) 1999-07-28
ES2173538T3 (es) 2002-10-16
ATE216313T1 (de) 2002-05-15

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