EP1386723A2 - Coussinet pour presse - Google Patents

Coussinet pour presse Download PDF

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Publication number
EP1386723A2
EP1386723A2 EP20030014914 EP03014914A EP1386723A2 EP 1386723 A2 EP1386723 A2 EP 1386723A2 EP 20030014914 EP20030014914 EP 20030014914 EP 03014914 A EP03014914 A EP 03014914A EP 1386723 A2 EP1386723 A2 EP 1386723A2
Authority
EP
European Patent Office
Prior art keywords
press pad
thread
types
filament
press
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
EP20030014914
Other languages
German (de)
English (en)
Other versions
EP1386723B1 (fr
EP1386723A3 (fr
Inventor
Rolf Dipl.-Ing. Espe
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.)
Rheinische Filztuchfabrik GmbH
Original Assignee
Rheinische Filztuchfabrik 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 Rheinische Filztuchfabrik GmbH filed Critical Rheinische Filztuchfabrik GmbH
Publication of EP1386723A2 publication Critical patent/EP1386723A2/fr
Publication of EP1386723A3 publication Critical patent/EP1386723A3/fr
Application granted granted Critical
Publication of EP1386723B1 publication Critical patent/EP1386723B1/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
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3179—Woven fabric is characterized by a particular or differential weave other than fabric in which the strand denier or warp/weft pick count is specified
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3179—Woven fabric is characterized by a particular or differential weave other than fabric in which the strand denier or warp/weft pick count is specified
    • Y10T442/322—Warp differs from weft

Definitions

  • the invention relates to a press pad with a fabric whose warp and / or weft each having alternating types of yarn with different elasticity transverse to the thread axis, characterized in that these types of thread high temperature resistant polymer material exhibit.
  • Press pads come in hydraulic heating presses, single or multi-day, high-pressure or other presses for example for plastic coating or lamination of wood-based panels or in the manufacture of printed circuit boards for use.
  • the press pad lie during the pressing process on both sides between the pressure plates resting on the pressed material and the press plates. Due to their properties, they should with comparatively large tolerances both the components of the presses as well as the pressed material a uniformly uniform surface Ensure transmission of the pressing pressure. Convex or concave distortion of the press plates by different heat radiation or incorrect grinding of the pressed material can so be compensated.
  • the press pads must on the one hand their deformation as possible on the other hand, with an intermittent pressure load have the greatest possible elastic resilience.
  • press pads must be used for temperatures up to above Be suitable 200 ° C and in turn uniform over the entire surface and especially in use In short cycle presses also allow rapid heat transfer.
  • press pad are typically made of a fabric, depending on the purpose of a one-sided or may have double-sided coating. Such fabrics are within the skill of the art a variety of designs using both metal and polymeric threads in the thread systems, preferably with warp and weft in linen or twill weave as well as in other web and binding types.
  • Generic press pads have two different types of fabric in at least one thread system Types of thread with different elasticity transverse to the thread axis. As part of This font is with this term both the compressibility across the thread axis as well as the bending stiffness of a thread named. Both properties characterize each one for the elasticity of a press pad, which accordingly also as a generic term for the Compressibility and flexural rigidity is used.
  • Such press pads are, for example, from the brochure "Press pad for short cycle presses" the Rheinische Filztuchfabrik GmbH, Stolberg / Germany under the trade name SI-NAS® UNIVERSAL known.
  • the tissues of these press pads have a chain of one with copper threads twisted aramid multifilament on, while the shot turns out consists of stranded copper threads and an elastomer-coated textile multifilament.
  • the Combination of different threads in a thread system - here: in the shot - allows on particularly simple way the combination of properties of different threads and the tuning of these properties for specific applications by varying the Shares of one or the other thread type.
  • Draw this generic press pad characterized by an excellent cushioning effect and high temperature resistance in Compound with very good heat transfer, by increasing the proportion of copper filaments can even be increased and come especially for the production of laminated Floor panels in modern short-cycle floor presses are used.
  • the invention has for its object to propose a press pad, with the compensation different pressing pressures compared to the known press pads is improved.
  • the return property of a press pad or the upholstery property results from the type of fabric construction or from the padding material used.
  • the elasticity of the elastomers is determined by their Shore hardness, their density and their compression set (22 h at 175 ° C).
  • the types of yarn polymer material in each case in their lateral surfaces are in their lateral surfaces.
  • the compression of the threads is facilitated transversely to the thread axis.
  • the polymeric material used in the filaments is preferably a silicone or fluorosilicone elastomer, a blend of the aforementioned or another high temperature resistant elastomeric material.
  • the Shore hardness of the elastomer can be known in the art, for example adjusted to the desired value by fillers such as quartz flour or metal oxides become.
  • stranded or stranded polymeric fibers in at least one thread type.
  • the Verlitzen or stranding allows in particular the use thermosetting fibers for producing a type of thread with high elasticity transverse to the thread axis.
  • At least one type of thread in the fabric the press pad according to the invention a polymeric shell and a soul of a material with weaving technique of sufficiently high tensile strength.
  • the core of at least one of the threads preferably consists essentially of metal on the one hand the heat conduction through the press pad, on the other hand its good wearability and To ensure dimensional stability.
  • This is preferably copper, depending on the application but Also brass or stainless steel used.
  • the soul consists essentially of polyamide.
  • the use proposed in WO 96/13376 a pure elastomeric thread is hardly useful in terms of weaving technology, as it is due to the delay of individual layers Fibers in their longitudinal direction from the press pad protruding loops and distortions can arise. Only with a soul of higher tensile strength is on the one hand the processability, on the other hand ensures the dimensional stability during operation.
  • polyamide soul is compared to a metallic soul the Shore hardness and thus the transverse elasticity of the elastomer thread that is essential during operation hardly influenced.
  • aromatic polyamide fibers as exemplified by DuPont Inc. under the trade names KEVLAR® and NOMEX® to be expelled.
  • any other high temperature resistant fiber with sufficient tensile strength such as those under the trade name BASOFIL® sold melamine resin from BASF.
  • a preferred embodiment comprises threads with a core of stranded or stranded Fibers on. At high tensile strength of such threads - especially when using non-metallic Materials - can still high cross-elasticity of the invention in this way Press pads are achieved.
  • Thread a soul out of a monofilament. So can - especially with a metal wire - Particularly advantageous ensures the dimensional stability of the press pad according to the invention become.
  • an inventive with weft and weft woven press pad, whose shot alternately has a thread of different types of threads.
  • alternative can also be two threads of one each of a thread of a second kind or almost any other numerical combinations are executed.
  • FIG. 1 shows a section of a section transverse to the weft direction through the tissue of a press pad according to the invention wherein the warp threads are not shown.
  • the fabric of the press pad according to the invention has a brass strand of 7 individual wires with 0.2 mm diameter each as a chain.
  • the press pad and its fabric as such are not shown as well as the chain.
  • the tissue alternately a first thread 2 and a second thread 3.
  • the first thread 2 has a first core 4, which is stranded from symbolically indicated 8 copper wires, each with a diameter of 0.2 mm.
  • the first core 4 is enclosed by a first jacket 5 with a diameter of 1.5 mm made of a blend elastomer of 15% fluorine silicone and 85% pure silicone rubber.
  • the first jacket 5 has a Shore hardness of 70-75 and a total density of 2.15 g / cm 3 and is thus harder than the second jacket 7 with a Shore hardness of 70-75 and a total density of 1.38 g / cm 3 .
  • This press pad according to the invention shows over its surface a hydraulic padding effect, which responds to different pressing pressures and compensates accordingly.
  • a hydraulic press line even with some Schutworth-proof melamine resin overlay and a melamine resin decor film, shows a perfectly transparent and closed surface after removal from the press. Under the same conditions, a faulty, not uniformly closed surface with strong graying is achieved with a known prior art press pad.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Woven Fabrics (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Bipolar Transistors (AREA)
  • Liquid Crystal (AREA)
EP20030014914 2002-07-31 2003-07-01 Coussinet pour presse Expired - Lifetime EP1386723B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10235065 2002-07-31
DE10235065 2002-07-31

Publications (3)

Publication Number Publication Date
EP1386723A2 true EP1386723A2 (fr) 2004-02-04
EP1386723A3 EP1386723A3 (fr) 2004-06-02
EP1386723B1 EP1386723B1 (fr) 2008-07-30

Family

ID=30010542

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20030014914 Expired - Lifetime EP1386723B1 (fr) 2002-07-31 2003-07-01 Coussinet pour presse

Country Status (5)

Country Link
US (1) US20040023582A1 (fr)
EP (1) EP1386723B1 (fr)
AT (1) ATE402809T1 (fr)
DE (1) DE50310226D1 (fr)
ES (1) ES2311079T3 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1779999A1 (fr) * 2005-10-28 2007-05-02 Rheinische PRESS PAD GmbH Tissu d'équilibrage de pression pour installation hydraulique de pressage à chaud
DE202007006849U1 (de) 2007-05-10 2008-06-26 Heimbach Gmbh & Co. Kg Presspolster mit Randverstärkung
EP1974896A1 (fr) * 2007-03-26 2008-10-01 Heimbach GmbH & Co. KG Coussinet pour presse doté d'un renfort aux extrémités
WO2009086520A1 (fr) 2007-12-28 2009-07-09 Albany International Corp. Tampon ultra-élastique
EP2409829A2 (fr) 2010-07-21 2012-01-25 Hueck Rheinische GmbH Coussinet de pressage pour une presse hydraulique
US8535484B2 (en) 2011-01-21 2013-09-17 Albany International Corp. Ultra-resilient fabric and method of making thereof
TWI491772B (zh) * 2007-12-28 2015-07-11 Albany Int Corp 可壓縮性彈性工業織物
US10590571B2 (en) 2007-12-28 2020-03-17 Albany International Corp. Ultra-resilient pad
US10590569B2 (en) 2007-12-28 2020-03-17 Albany International Corp. Ultra-resilient fabric

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007035941A2 (fr) * 2005-09-23 2007-03-29 Alza Corporation Systeme d'administration transdermique de galantamine
DE102019107005A1 (de) * 2019-03-19 2020-09-24 Hueck Rheinische Gmbh Presspolster für den Einsatz in Ein- oder Mehretagenheizpressen
DE202021003665U1 (de) 2021-12-02 2022-12-07 Hueck Rheinische Gmbh Druckausgleichskörper, insbesondere Presspolster zur Ausrüstung von hydraulischen Ein- und Mehretagenheiz- und Kühlpressen
DE202022002690U1 (de) 2022-12-30 2024-01-04 Hueck Rheinische Gmbh Presspolster universal einsetzbar und Fixierung desselben in hydraulischen Mehretagenpressen mit Aufheizung und Rückkühlung

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2650642A1 (de) * 1976-11-05 1978-05-18 Ver Seidenwebereien Ag Luft- und hitzedurchlaessige druckausgleichsmatte
US5298322A (en) * 1990-12-31 1994-03-29 Rheinische Filztuchfabrik Gmbh Press pad for high-pressure presses
WO1996013376A1 (fr) * 1994-10-26 1996-05-09 Marathon Belting Limited Coussinet pour presse
EP0920983A1 (fr) * 1997-12-05 1999-06-09 Thomas Josef Heimbach Gesellschaft mit beschränkter Haftung & Co. Coussinet pour presse
US6040253A (en) * 1994-11-25 2000-03-21 Rheinische Filztuchfabrik Gmbh Press pad for high-pressure and low-pressure presses
EP1040909A1 (fr) * 1999-03-03 2000-10-04 Thomas Josef Heimbach Gesellschaft mit beschränkter Haftung & Co. Coussinet pour presse
US20010029139A1 (en) * 2000-03-21 2001-10-11 Rolf Espe Press pad containing fluoroelastomer or fluorosilicone elastomer priority claim
EP1167007A1 (fr) * 2000-06-21 2002-01-02 Thomas Josef Heimbach Gesellschaft mit beschränkter Haftung Coussinet pour presse et presse à plaques chauffantes avec un tel coussinet
US6342457B1 (en) * 1999-03-03 2002-01-29 Thomas Josef Heimbach Gesellschaft Mit Beschrankter Haftung & Co. Pressing cushion

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3851681A (en) * 1973-04-18 1974-12-03 Albany Int Corp Woven papermaking drainage fabric having four shed weave pattern and weft threads of alternating diameter
US4423755A (en) * 1982-01-22 1984-01-03 Huyck Corporation Papermakers' fabric
US4909284A (en) * 1988-09-23 1990-03-20 Albany International Corp. Double layered papermaker's fabric
DE29618864U1 (de) * 1996-10-30 1997-01-02 Rheinische Filztuchfabrik Gmbh Preßpolster aus asbestfreiem Material

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2650642A1 (de) * 1976-11-05 1978-05-18 Ver Seidenwebereien Ag Luft- und hitzedurchlaessige druckausgleichsmatte
US5298322A (en) * 1990-12-31 1994-03-29 Rheinische Filztuchfabrik Gmbh Press pad for high-pressure presses
WO1996013376A1 (fr) * 1994-10-26 1996-05-09 Marathon Belting Limited Coussinet pour presse
US6040253A (en) * 1994-11-25 2000-03-21 Rheinische Filztuchfabrik Gmbh Press pad for high-pressure and low-pressure presses
EP0920983A1 (fr) * 1997-12-05 1999-06-09 Thomas Josef Heimbach Gesellschaft mit beschränkter Haftung & Co. Coussinet pour presse
EP1040909A1 (fr) * 1999-03-03 2000-10-04 Thomas Josef Heimbach Gesellschaft mit beschränkter Haftung & Co. Coussinet pour presse
US6342457B1 (en) * 1999-03-03 2002-01-29 Thomas Josef Heimbach Gesellschaft Mit Beschrankter Haftung & Co. Pressing cushion
US20010029139A1 (en) * 2000-03-21 2001-10-11 Rolf Espe Press pad containing fluoroelastomer or fluorosilicone elastomer priority claim
EP1167007A1 (fr) * 2000-06-21 2002-01-02 Thomas Josef Heimbach Gesellschaft mit beschränkter Haftung Coussinet pour presse et presse à plaques chauffantes avec un tel coussinet

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1966794B (zh) * 2005-10-28 2012-02-15 莱茵里希毛毡工厂有限责任公司 用于液压热压设备的压力平衡织物
EP1779999A1 (fr) * 2005-10-28 2007-05-02 Rheinische PRESS PAD GmbH Tissu d'équilibrage de pression pour installation hydraulique de pressage à chaud
EP1974896A1 (fr) * 2007-03-26 2008-10-01 Heimbach GmbH & Co. KG Coussinet pour presse doté d'un renfort aux extrémités
DE202007006849U1 (de) 2007-05-10 2008-06-26 Heimbach Gmbh & Co. Kg Presspolster mit Randverstärkung
WO2009086520A1 (fr) 2007-12-28 2009-07-09 Albany International Corp. Tampon ultra-élastique
TWI476306B (zh) * 2007-12-28 2015-03-11 Albany Int Corp 超彈性墊
TWI491772B (zh) * 2007-12-28 2015-07-11 Albany Int Corp 可壓縮性彈性工業織物
US10588375B2 (en) 2007-12-28 2020-03-17 Albany International Corp. Ultra-resilient pad
US10590571B2 (en) 2007-12-28 2020-03-17 Albany International Corp. Ultra-resilient pad
US10590568B2 (en) 2007-12-28 2020-03-17 Albany International Corp. Ultra-resilient fabric
US10590569B2 (en) 2007-12-28 2020-03-17 Albany International Corp. Ultra-resilient fabric
DE102010036539A1 (de) 2010-07-21 2012-01-26 Hueck Rheinische Gmbh Presspolster für eine hydraulische Presse
EP2409829A2 (fr) 2010-07-21 2012-01-25 Hueck Rheinische GmbH Coussinet de pressage pour une presse hydraulique
DE102010036539B4 (de) * 2010-07-21 2013-04-11 Hueck Rheinische Gmbh Presspolster für eine hydraulische Presse
US8535484B2 (en) 2011-01-21 2013-09-17 Albany International Corp. Ultra-resilient fabric and method of making thereof

Also Published As

Publication number Publication date
ATE402809T1 (de) 2008-08-15
EP1386723B1 (fr) 2008-07-30
US20040023582A1 (en) 2004-02-05
EP1386723A3 (fr) 2004-06-02
DE50310226D1 (de) 2008-09-11
ES2311079T3 (es) 2009-02-01

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