EP3942100A1 - Coussin de presse pour l'utilisation dans des presses chauffantes à un ou plusieurs étages - Google Patents

Coussin de presse pour l'utilisation dans des presses chauffantes à un ou plusieurs étages

Info

Publication number
EP3942100A1
EP3942100A1 EP20712517.0A EP20712517A EP3942100A1 EP 3942100 A1 EP3942100 A1 EP 3942100A1 EP 20712517 A EP20712517 A EP 20712517A EP 3942100 A1 EP3942100 A1 EP 3942100A1
Authority
EP
European Patent Office
Prior art keywords
threads
thread
group
press pad
thread system
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.)
Pending
Application number
EP20712517.0A
Other languages
German (de)
English (en)
Inventor
Heinz-Willi WOLTERS
Stanislav SAPASNIK
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.)
Hueck Rheinische GmbH
Original Assignee
Hueck Rheinische 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 Hueck Rheinische GmbH filed Critical Hueck Rheinische GmbH
Publication of EP3942100A1 publication Critical patent/EP3942100A1/fr
Pending legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
    • D03D13/004—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft with weave pattern being non-standard or providing special effects
    • 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
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/242—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads inorganic, e.g. basalt
    • D03D15/25—Metal
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
    • D03D15/47—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads multicomponent, e.g. blended yarns or threads
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D7/00—Woven fabrics designed to be resilient, i.e. to recover from compressive stress
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2101/00—Inorganic fibres
    • D10B2101/20—Metallic fibres
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2505/00—Industrial

Definitions

  • the present invention relates to a press pad for use in one or
  • Multi-daylight heating presses consisting of a fabric formed by two intersecting thread systems, the threads of the first thread system each being formed by a core thread and a sheath made of an elastomer material, and threads of the second thread system each containing metal or being formed entirely from it, the threads of the second thread system alternately above and below a group of adjacent threads of the other first thread system, the group consisting of at least two immediately adjacent and parallel threads, with groups separated from one another by at least one thread of the first thread system being congruent or displaced in a thread longitudinal direction.
  • the press cushions used in the heating presses which are arranged as a buffer between the product to be processed and the heating plates of the heating press, must have a sufficient cushioning effect on the one hand
  • Elastomer materials are silicone rubber, fluorosilicone rubber, fluororubber and copolymers made from silicone and fluorosilicone rubber.
  • Press cushions are usually textile products, with a large number of different designs, both with regard to the materials and the types of weave.
  • the utility model DE 295 18 204 U1 describes a press cushion which, compared to conventional press cushions, is intended to have greater elastic recovery and greater resilience over a longer period of time, without the
  • the press cushion described has two thread systems, one of which is formed from threads consisting of a metal wire sheathed with silicone, while the second thread system has metallic threads.
  • the fabric has a twill weave.
  • the press pad is provided on the surfaces with diagonal lines, which are formed by the metallic threads.
  • the utility model DE 20 2007 019 506 U1 describes a press cushion which comprises a fabric consisting of warp threads and weft threads.
  • the warp threads are formed from a plurality of individual threads that run parallel to one another and are enclosed by a jacket made of an elastomer material, the weft threads being formed from a plurality of metal threads that also run parallel to one another.
  • the press pad should be characterized by improved elasticity and compensatory capacity. In particular, it can also be provided for this purpose that the threads contained in the warp threads are arranged loosely in the elastomer material, in particular not stranded.
  • elevations and / or depressions in sections of the congruent threads which are caused by the threads tying off by threads of the other thread system, are essentially identical relative to a central plane of the fabric.
  • threads contained in a group can each have a jacket made of an elastomer material, so that the threads are each movable relative to one another.
  • a preferred embodiment of the invention provides that the congruent groups or groups displaced with respect to one another in the longitudinal direction of the thread are separated from one another by a group.
  • the groups consisting of three threads, by one group, the group consisting of two threads are separated from each other.
  • the threads of the second thread system that contain metal or are formed from metal accordingly run alternately above and below three or two threads of the first thread system.
  • An advantageous embodiment of the invention provides that the fabric has a panama weave. In Panama Binding, groups go first
  • Thread system alternately above and below groups of the second thread system, with groups separated from one another running congruently by a group.
  • the number of threads contained in the groups of the first and second thread system is the same in the Panama weave. As a result, the visible surface of the fabric forms a checkerboard pattern.
  • the arrangement of several metallic threads next to one another is particularly advantageous with regard to the enlargement of the contact area with the heating plate or the press plate.
  • the heat can be transported particularly well from one thread to the respectively adjacent thread by means of the threads adjoining one another and can subsequently be conducted away to the press plate.
  • a cushioning effect of the elastomer thread itself is hereby not restricted at all or at least not significantly restricted.
  • a preferred embodiment of the invention provides that the fabric has a grosgrain weave, preferably a cross-rib weave or a grosgrain weave.
  • a grosgrain weave the threads of one thread system run as a group alternately above and below groups of the other thread system, the number of threads contained in the respective group differing from one another. At the same time, groups separated from one another by a group run congruently.
  • Cross-rib weave and grosgrain weave differ in that, in cross-rib weave, the number of threads in the groups formed by the warp threads exceeds the number of threads in the groups formed by the weft threads.
  • This constellation is the opposite in the case of the longitudinal rib weave. So is it is conceivable that in a cross-rib weave the warp threads run individually alternately above and below a group consisting of four weft threads. This creates a transverse, ribbed surface structure of the fabric. In the case of a grosgrain weave, however, it is conceivable that the warp threads run as a group of two threads alternately above and below individual weft threads. This results in a longitudinal, ribbed surface structure of the fabric.
  • the number of warp threads can preferably be increased such that the weft threads disappear completely underneath.
  • this design is particularly advantageous because the weft threads, which are preferably formed by a core thread and a jacket made of an elastomer material, primarily contribute to the cushioning effect of the press cushion, whereas the heat dissipation mainly through the metallic threads of the second Thread system takes place.
  • the threads of the first thread system are formed by a core thread and a jacket made of an elastomer material.
  • elastomer materials temperatures of up to 250 ° C, silicone rubber, fluorine rubber and copolymers made from silicone rubber and fluorosilicone rubber have proven themselves in high use.
  • Elastomer materials that are temperature-resistant in this temperature range are easily conceivable. Such an elastomer thread is for use in one or
  • Multi-daylight heating presses that work at temperatures of more than 250 ° C are particularly suitable.
  • the fabric has a twill weave.
  • the groups separated from one another by at least one thread of the first thread system, consisting of threads of the first thread system, are shifted to one another in a thread longitudinal direction. This creates an inclined ridge. It is conceivable that the threads of the second thread system also run in a group consisting of at least two threads, so that a "double twill weave" is created.
  • Brass is particularly suitable because of its heat-conducting properties.
  • the threads of the second thread system consist of e.g. Copper, bronze, aluminum or steel are formed. Other metals can also be used depending on requirements.
  • the fabric can also have different metal threads in order, for example, to take account of a spatially differentiated heat distribution within the press system. For the weaving process of a metal fabric, it is recommended to use stranded metal threads as weft and / or warp threads.
  • the heat distribution on the press system is uneven, this can already be taken into account during the fabric production, according to the heat distribution pattern of a press system.
  • the warp threads are then formed from metal threads with different coefficients of thermal conductivity.
  • the heat distribution zones of the heating plates of the respective press system are measured beforehand with thermocouples or with a thermal imaging camera. Then a distribution pattern is sketched and the corresponding zones are transferred to the poster size.
  • the metals of the warp threads can then be determined according to this pattern and these zones can be mapped in the fabric.
  • An advantageous embodiment of the invention provides that the fabric is a single layer. This ensures that the metallic threads transfer the heat absorbed on the top directly to the bottom of the press pad.
  • Air pockets which act as heat insulators and a transition of the
  • the fabric is symmetrical in relation to a center plane which runs parallel to a surface of the press pad.
  • the contact surface for absorbing the heat on the heating plate thus advantageously corresponds to the contact surface for releasing the heat to the press plate. This allows a complete release of the amount of heat absorbed to the Underside of the press pad, which is in contact with a press plate, take place. This leads to the fact that unwanted heat build-up within the press cushion is avoided.
  • Thread system on a round cross-section With regard to the upholstery effect of the
  • the formation of round cross-sections can be particularly advantageous, since the threads thereby effect a symmetrical cushioning of the forces acting.
  • a round cross-section of the threads forming the group also ensures that, if possible, only the threads running alternately above and below the group come into contact with the heating plate or the press plate on the two side surfaces of the press pad.
  • a cross-section of the threads alternating above and below the group is preferably flat, so that it can be brought into contact particularly well with the respective surface.
  • FIG. 2 a cross section through the press cushion shown in FIG. 1,
  • Fig. 3 the binding cartridge of the press pad from Figure 1,
  • FIG. 5 a cross section through the press cushion shown in FIG. 4,
  • FIG. 6 the binding cartridge of the press pad from FIG. 4.
  • FIG. 1 shows a surface of a first press cushion 1 according to the invention.
  • the press cushion 1 consists of a fabric 2 formed by two intersecting thread systems 3, 4.
  • both thread systems 3, 4 each contain eight threads, Ki, in the fabric detail shown to K 8 and Si to S 8 .
  • the eight threads, K 1 to K 8 , of the first thread system 3 consist of stranded brass threads and form the warp threads Ki of the fabric 2.
  • the eight threads, Si to S 8l, of the second thread system 4 form the weft threads S, of the fabric 2 and each consist of a core thread, which is also made of stranded metal threads, and a jacket of one
  • the fabric 2 has a panama weave. That is, the threads to K 8 of the first thread system 3 in pairs alternately above and below a group 5 consisting of two threads S of the second thread system 4.
  • the individual threads Si of the respective groups 5 and the binding warp threads K here run parallel to one another and are directly adjacent to one another.
  • the threads S 1 of the second thread system 4 contained in a group are movable relative to one another.
  • Congruent groups 5 of the first thread system 4 are separated from one another by a group 5.
  • the warp threads K are shown spaced apart from one another for a better overview.
  • the warp threads K which set in pairs, are preferably, however, in direct contact, so that heat can be transferred to the respectively adjacent thread K.
  • FIG. 2 shows a cross section through the press cushion 1 shown in FIG. 1 along the section line II in FIG. 1.
  • the floating of the warp threads K over two weft threads S 1 can be clearly seen here.
  • two immediately adjacent warp threads K each run congruently.
  • the third warp thread K 3 and fourth warp thread K 4 and the seventh warp thread K 7 and eighth warp thread K 8 run in exactly the opposite direction.
  • the protruding warp threads K begin to run above the first group 5 and then below the second group 5 of weft threads S.
  • the above binding is continued analogously over the entire fabric 2.
  • weft threads S an extended running length 6 of the warp threads K, on the top and bottom of the fabric 2 opposite one after each weft thread S ,.
  • an improved heat transfer to the heating plate and the press plate is achieved.
  • the fabric 2 remains flexible due to the relative mobility of the weft threads S 1.
  • FIG. 3 shows the binding cartridge of the press pad 1 from FIG. 1.
  • the black fields 7 represent warp lifts in which the warp threads K are located above the weft threads S. Accordingly, the white fields form 8 chain depressions, at where the weft threads S are arranged above the warp threads K.
  • the chessboard-like pattern of the Panama weave is clearly recognizable.
  • FIG. 4 shows a surface of a second press cushion 1 according to the invention.
  • the press cushion 1 also consists of a fabric 2 formed by two intersecting thread systems 3, 4.
  • the first thread system 3 contains four threads, i to K
  • the second thread system 4 contains eight threads, Si to S 8 .
  • the four threads, K ⁇ to K, of the first thread system 3 consist of stranded brass threads and form the warp threads K, of the fabric 2.
  • the eight threads, S to S 8 , of the second thread system 4 form the weft threads S, of the fabric 2 and each consist of a core thread, which is also made of stranded metal threads, and a jacket made of an elastomer material.
  • the fabric 2 in FIG. 4 has a cross-rip weave. In contrast to the Panama weave, the weft threads S in this weave are only made by one
  • Warp thread K tied off. This means that the threads K to K of the first thread system 3 run individually, alternating above and below a group 5 consisting of two threads S of the second thread system 4. The individual threads S, the respective group 5 and the binding warp threads run parallel to one another and are directly adjacent to one another.
  • FIG. 5 shows a cross section through the press pad 1 shown in FIG. 4 along the section line V from FIG. 4. It can be clearly seen here that the warp threads bind after two weft threads S 1. They each run through a warp thread
  • first warp thread K ⁇ at the beginning below a group 5, consisting of the first weft thread S and the second weft thread S 2 , and then above a group 5, consisting of the third weft thread S and the fourth weft thread S 4 , runs.
  • the second warp thread K and the fourth warp thread l ⁇ run exactly
  • FIG. 6 shows the binding cartridge of the press pad 1 from FIG. 4.
  • the black fields 7 represent warp lifts in which the warp threads are located above the weft threads S 1.
  • the white fields form 8 warp indentations in which the weft threads S are arranged above the warp threads.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Woven Fabrics (AREA)
  • Veneer Processing And Manufacture Of Plywood (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Press Drives And Press Lines (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Surface Heating Bodies (AREA)

Abstract

La présente invention concerne un coussin de presse (1) pour l'utilisation dans des presses chauffantes à un ou plusieurs étages composé d'une toile (2) formée par deux systèmes de fils (3, 4) s'entrecroisant, les fils du premier système de fils (3) étant formés respectivement par un fil d'âme et une enveloppe en matière élastomère, et les fils du deuxième système de fils (4) contenant respectivement du métal ou étant entièrement formés de métal, les fils du deuxième système de fils (3, 4) s'étendant alternativement au-dessus et en dessous d'un groupe (5) de fils adjacents du premier système de fils (4, 3), le groupe (5) étant composé d'au moins deux fils directement adjacents et parallèles, des groupes (5) séparés les uns des autres par au moins un fil du premier système de fils (3) s'étendant juxtaposés ou déplacées les uns des autres dans une direction longitudinale de fil. Selon l'invention, pour fournir un coussin de presse (1) répondant aux exigences actuelles concernant une conductivité thermique rapide et des propriétés de reprise élevées, les fils contenus dans un groupe (5) sont respectivement mobiles les uns par rapport aux autres.
EP20712517.0A 2019-03-19 2020-03-17 Coussin de presse pour l'utilisation dans des presses chauffantes à un ou plusieurs étages Pending EP3942100A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019107005.8A DE102019107005A1 (de) 2019-03-19 2019-03-19 Presspolster für den Einsatz in Ein- oder Mehretagenheizpressen
PCT/EP2020/057217 WO2020187882A1 (fr) 2019-03-19 2020-03-17 Coussin de presse pour l'utilisation dans des presses chauffantes à un ou plusieurs étages

Publications (1)

Publication Number Publication Date
EP3942100A1 true EP3942100A1 (fr) 2022-01-26

Family

ID=69846454

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20712517.0A Pending EP3942100A1 (fr) 2019-03-19 2020-03-17 Coussin de presse pour l'utilisation dans des presses chauffantes à un ou plusieurs étages

Country Status (7)

Country Link
US (1) US20220009189A1 (fr)
EP (1) EP3942100A1 (fr)
JP (1) JP7302003B2 (fr)
CN (1) CN113454277A (fr)
BR (1) BR112021016116A2 (fr)
DE (1) DE102019107005A1 (fr)
WO (1) WO2020187882A1 (fr)

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9421573D0 (en) * 1994-10-26 1994-12-14 Marathon Belting Ltd A press pad
CN2320405Y (zh) * 1998-03-20 1999-05-26 张清顺 耐高温缓冲垫
GB9814133D0 (en) 1998-07-01 1998-08-26 Marathon Belting Ltd Improvements to press pads
JP2002103100A (ja) * 2000-09-25 2002-04-09 Casio Comput Co Ltd 緩衝材
GB0023529D0 (en) * 2000-09-26 2000-11-08 Marathon Belting Ltd Improvements to press pads
DE20103554U1 (de) * 2001-03-01 2001-05-17 Rheinische Filztuchfabrik Gmbh Preßpolster für den Einsatz in Ein- oder Mehretagen-Heizpressen
RU2235642C2 (ru) * 2002-07-23 2004-09-10 Кручинина Галина Николаевна Прессовая компенсационная подушка для формующего пресса
EP1386723B1 (fr) * 2002-07-31 2008-07-30 RHEINISCHE FILZTUCHFABRIK GmbH Coussinet pour presse
WO2004096534A1 (fr) 2003-04-30 2004-11-11 Marathon Belting Limited Perfectionnements relatifs a des tampons de presse
DE202005016935U1 (de) * 2005-10-28 2006-01-26 Espe, Rolf Druckausgleichsgewebe für hydraulische Heizpressenanlagen
GB0608677D0 (en) * 2006-05-03 2006-06-14 Marathon Belting Ltd Improvements to press pads
PT2231909E (pt) * 2007-12-28 2011-12-28 Albany Int Corp Almofada ultra-elástica
JP2009234326A (ja) * 2008-03-26 2009-10-15 Seiren Co Ltd エアバッグ
DE102013100433A1 (de) * 2013-01-16 2014-07-31 Hueck Rheinische Gmbh Presspolster für eine Ein- oder Mehretagenheizpresse
DE202015006923U1 (de) * 2015-10-02 2015-10-16 Rolf Espe Presspolster für den Einsatz in hydraulischen Ein- oder Mehretagenheizpressen

Also Published As

Publication number Publication date
WO2020187882A1 (fr) 2020-09-24
BR112021016116A2 (pt) 2021-10-13
JP7302003B2 (ja) 2023-07-03
CN113454277A (zh) 2021-09-28
JP2022528225A (ja) 2022-06-09
DE102019107005A1 (de) 2020-09-24
US20220009189A1 (en) 2022-01-13

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