EP0742300B1 - Gittergewebe aus Polyesterfilamentgarn, Verfahren zu seiner Herstellung, Vorrichtung zur Durchführung dieses Verfahrens - Google Patents
Gittergewebe aus Polyesterfilamentgarn, Verfahren zu seiner Herstellung, Vorrichtung zur Durchführung dieses Verfahrens Download PDFInfo
- Publication number
- EP0742300B1 EP0742300B1 EP96107231A EP96107231A EP0742300B1 EP 0742300 B1 EP0742300 B1 EP 0742300B1 EP 96107231 A EP96107231 A EP 96107231A EP 96107231 A EP96107231 A EP 96107231A EP 0742300 B1 EP0742300 B1 EP 0742300B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- threads
- copolymer
- mesh fabric
- weft
- mesh
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D9/00—Open-work fabrics
-
- 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
- D03D15/50—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 properties of the yarns or threads
- D03D15/587—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 properties of the yarns or threads adhesive; fusible
-
- 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
- D10B2401/00—Physical properties
- D10B2401/04—Heat-responsive characteristics
- D10B2401/041—Heat-responsive characteristics thermoplastic; thermosetting
Definitions
- the invention relates to a mesh fabric made of polyester filament yarns, a procedure for the production of a mesh and an apparatus for performing this method.
- the mesh fabric tends to dissolve the already hardly pronounced Lattice strength at the crossing points between Warp and weft.
- the relaxed inner cohesion of the crossing thread layers causes the crossing points must be fixed.
- polyester filament yarn to use which is made of higher polyester material Melting temperature and low melting temperature copolymer consists.
- polyester materials are at the crossing points fused together using the copolymer and formed in this way non-slip crossing points.
- the lattice structure Such a grid fabric therefore also remains Get shift.
- Such mesh fabric is therefore quite suitable for Curtains.
- a problem of such mesh fabric arises by the fact that the glued intersection points burst, once the lattice weave is in the longitudinal direction of the filaments is charged.
- the object of the invention is therefore the known sliding To improve mesh fabric so that the lowest possible Grid divisions still delimited adhesive areas at the crossing points, which are also under the Influence of tensile forces less than those for tearing of the filaments are necessary tensile forces, do not burst.
- the advantage of the invention is that the fixed Connection between warp and weft on the common Crossing points is limited, and yet that neither disruptive influence on the thread properties still arises on any subsequent processing.
- Warp thread or the weft thread consists of a material mixture, one of which has a high material component Melting point and the other material component, - including copolymer called -, has a low melting point.
- polyester for example, it is a melting temperature of approximately 257 degrees Celsius.
- the low melting copolymer can be selected so that its melting point in the range between approx. 120 and 180 degrees Celsius lies. Because of the lower in relation to the polyester In any case, the melting point of the copolymer can be thermal Activation of the relevant threads in the crossing area between warp threads and weft threads without melting of the polyester would be feared.
- Another essential feature of the invention is that it is enough for the desired strength, either only that Warp threads or only the weft threads made of polyester material and to provide the copolymer, but that in terms of strength properties is necessary both the warp threads as well as the wefts made of technical polyester filament yarn to manufacture.
- the jointly fused material can therefore both in the warp direction and the low elongation in the weft direction join the technical polyester filament yarns without closing burst.
- Suitable yarns for this are so-called hybrid yarns (e.g. B. Hoechst AG, Frankfurt / Main). However, the use these yarns as filament yarns for the production of lattice fabrics not yet occurred.
- the mesh fabric according to this invention also always delimited with the planned grid divisions Form adhesive areas so that despite a tensile load still allows some stretch in the filament yarn will burst without the melted copolymer to let.
- the present invention is therefore also fundamental to be distinguished from the use of two-component yarns for full-surface tissue.
- This is known, for example in plastic construction.
- this full-surface fabric however, there is neither the need to fix the crossing points together, the different components still have an effect in terms of sliding resistance.
- all-over tissue is already due to the relatively dense number of threads per unit length achieved a sufficiently sliding-resistant structure.
- Such mesh fabrics are preferred in technical Area in front, e.g. in filter construction, so at least for this Use case proposed the use of high-strength polyester yarns becomes.
- non-contact heaters can be used to heat the pre-crossed mesh both non-contact heaters and contact heaters be used.
- the non-contact heating offers the advantage that a displacement of the pre-crossed mesh reliably avoided.
- contact rollers further measures to prevent a premature postponement of the To prevent mesh. This will be discussed.
- a major advantage of the invention is also based on the fact that a device suitable for manufacturing can be easily integrated into existing weaving machines. For this purpose, it is essentially proposed that the heating zone immediately after the weft insertion zone to prevent accidental displacement of the mesh prevent.
- the heater can be on fixed or piecewise carried radiant heater be.
- a heating roller is preferred to achieve this a continuous heating effect, while continuous Production of the mesh.
- the mesh fabric produced by this method can, however, in connection with downstream heating thermally so that the shrinking process already when winding up the melted at the crossing points Mesh fabric is finished.
- a mesh fabric 1 shows a mesh fabric 1.
- Such a mesh fabric 1 has a relatively low thread density per unit length. Depending on the thread thickness, there are usual thread densities between 0.5 to 10 threads per centimeter. It is easy imaginable that - due to the loose weave - the Slip resistance of such mesh fabric is practically missing.
- the crossing points 4 between the warp threads 2 and Weft threads 3 by thermal activation of the copolymer with each other merged.
- Fig.2 shows always a fused area in the area of the intersection points 4 5, in which the copolymer portions of the blended yarn penetrated between the filaments of the adjacent threads to cool down afterwards.
- FIG. 4 there is such a heating device from a rotatingly driven heating roller 12.
- the Heating roller 12 is connected to a heating circuit.
- the heating roller e.g. to run as a steam-heated roller.
- the heating roller of this type is now precrossed Lattice mesh wrapped at an angle of at least 180 degrees. As Fig.4 shows, the angle can also be considerable to be taller.
- two pressure rollers 13, 14 are used, which are under a certain pre-pressure force at the roller entry point 19 or roll outlet point 20 bear against the heating roller 12.
- the deduction takes place the mesh fabric with a predetermined force F2.
- the Both pressure rollers 13, 14 therefore prevent slipping of the mesh fabric on the heating roller surface 12.
- area 21 where the pre-crossed is heated Mesh fabric can be done without displacement. To that extent can be in the decoupled area 21, the process of Melt the copolymer in the area of the crossing points lead safe to move.
- the heating device 11 a Includes temperature sensor 15, which is the current one Heating temperature measures.
- the measured is in a controller 16 Temperature compared with a predetermined target temperature.
- the target temperature is above the melting point of the copolymer, but below the melting point of the Polyester material.
- the output signal of the controller via the operational amplifier 17 to one Control signal converted.
- the control signal is then the mixing valve 18 abandoned so that a closed regulation arises. If the heater 11 is a total of a steam heater fed, this offers the additional advantage faster reaction times in the event of control deviations anyway good heat transfer between heating medium and heating roller. It is therefore necessary for the most accurate process management possible to use quickly responding regulated heating circuit.
- warp thread sheet 8 leads this first of all in the area of the fold zone between the guide rollers where the weft entry takes place in a manner known per se.
- the warp threads are interwoven with the weft threads.
- minimal pre-fixation can occur the weft threads are made in the warp threads.
- Heating roller 12 While now the pre-woven grid continues towards Heating roller 12 is guided, it also passes through the area of upstream pressure roller 13 (see Fig. 4). There it will woven mesh deflected and towards the surface the heating roller 12 out. It passes through the roller inlet 19, where the warp threads have already been preheated with the weft threads be pressed. During the further circulation of the Heating roller 12 takes place a further heat transfer, whereby the copolymer melts so far in the area of the crossing points, that penetration of the melted Copolymers between the individual filaments of warp threads or weft threads. The penetration therefore leads to a intimate bond of the individual crossing filaments. Of the Verbund is based on the adhesive-fused copolymer.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Woven Fabrics (AREA)
- Treatment Of Fiber Materials (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
Description
die Kettfäden (2) und Schußfäden (3) aus dem Polyestermaterial und dem Copolymer bestehen ist aus FR-A-2 007 978 bekannt.
- Fig.1
- ein erfindungsgemäßes Gittergewebe in schematischer Ansicht;
- Fig.2
- einen vergrößerten Kreuzungspunkt 4 des Gittergewebes nach Fig. 1;
- Fig.3
- eine Vorrichtung zur Herstellung eines Gittergewebes gemäß Fig. 1, 2;
- Fig.4
- eine vergrößerte Darstellung der Heizeinrichtung gemäß Figur 3.
Claims (12)
- Gittergewebe (1) aus Polyestergarn, bestehend aus Polyestermaterial hoher Schmelztemperatur und Copolymer niedriger Schmelztemperatur, wobei Kettfäden (2) und Schußfäden (3) des Gittergewebes (1) an den Kreuzungspunkten (4) schiebefest mittels des Copolymers miteinander verschmolzen sind und wobei die Gitterteilung im Bereich zwischen 0,5 bis 10 Faden pro cm beträgt, wobei1.1 sowohl die Kettfäden (2) als auch die Schußfäden (3) jeweils aus technischem Polyesterfilamentgarn mit hochfesten Eigenschaften bestehen, dessen Feinheitsfestigkeit >70cN/tex ist, und daß1.2. von den Kettfäden (2) und von den Schußfäden (3) wenigstens eines der beiden Fadenmaterialien aus dem Polyestermaterial und dem Copolymer besteht.
- Gittergewebe nach Anspruch 1, dadurch gekennzeichnet, daß die Gitterteilung im Bereich zwischen 1,5 bis 4 Faden pro cm beträgt.
- Gittergewebe nach einem der Ansprüche 1 oder 2 dadurch gekennzeichnet, daß das Polyesterfilamentgarn einen Titer von mehr als 1000 dtex aufweist.
- Gittergewebe nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß Kettfaden (2) und Schußfaden (3) dasselbe Copolymer aufweisen.
- Gittergewebe nach Anspruch 4, dadurch gekennzeichnet, daß Kettfaden (2) und Schußfaden (3) aus demselben Mischgarn bestehen.
- Verfahren zur Herstellung eines Gittergewebes nach einem der Ansprüche 1 bis 5, wobei das Gittergewebe (1) vorverkreuzt und das vorverkreuzte Gittergewebe (1) unmittelbar nach Verkreuzung der Schußfäden (3) mit den Kettfäden (2) an einer Heizeinrichtung (11) vorbeigeführt wird, daß die Heizeinrichtung (11) auf eine Heiztemperatur oberhalb der Schmelztemperatur des Copolymers jedoch unterhalb der Schmelztemperatur des Polyestermaterials beheizt ist und daß nach dem Aufschmelzen des Copolymers eine Fixierung durch Druck erfolgt.
- Verfahren nach Anspruch 6, dadurch gekennzeichnet, daß die Beheizung berührungslos erfolgt.
- Verfahren nach Anspruch 6, dadurch gekennzeichnet, daß die Beheizung zugleich mit der Fixierung erfolgt.
- Vorrichtung zur Durchführung des Verfahrens nach einem der Ansprüche 6 bis 8, bestehend aus einer Webmaschine, einem Kettbaum (7) einer Schußfadeneintragszone (9) und einer Aufwickeleinrichtung (10) für das Gittergewebe, wobei unmittelbar hinter der Schußfadeneintragszone (9) eine Heizzone mit Heizeinrichtung (11) angeordnet ist,daß die Heizeinrichtung (11) auf eine Temperatur größer der Schmelztemperatur des Copolymers, jedoch geringer als die Schmelztemperatur des Polyestermaterials beheizbar ist,daß auf die Heizzone eine Fixierzone mit Fixiereinrichtung folgt.
- Vorrichtung nach Anspruch 9, dadurch gekennzeichnet, daß die Heizeinrichtung eine mitbewegte Kontaktheizung ist.
- Vorrichtung nach Anspruch 10, dadurch gekennzeichnet, daß die Heizeinrichtung eine Heizwalze ist.
- Vorrichtung nach Anspruch 11 , dadurch gekennzeichnet, daß Walzeneinlaufpunkt (19) und Walzenauslaufpunkt (20) von jeweils einer Andrückwalze (13, 14) bestimmt ist, und daßdie Andrückkraft mindestens so groß ist, daß zwischen Walzeneinlaufpunkt (19) und Walzenauslaufpunkt (20) ein zugentkoppelter Bereich (21) entsteht.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19517480 | 1995-05-12 | ||
DE19517480A DE19517480A1 (de) | 1995-05-12 | 1995-05-12 | Gittergewebe aus Polyesterfilamentgarn, Verfahren zu seiner Herstellung, Vorrichtung zur Durchführung dieses Verfahrens |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0742300A1 EP0742300A1 (de) | 1996-11-13 |
EP0742300B1 true EP0742300B1 (de) | 1999-11-03 |
Family
ID=7761768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96107231A Expired - Lifetime EP0742300B1 (de) | 1995-05-12 | 1996-05-08 | Gittergewebe aus Polyesterfilamentgarn, Verfahren zu seiner Herstellung, Vorrichtung zur Durchführung dieses Verfahrens |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0742300B1 (de) |
AT (1) | ATE186340T1 (de) |
DE (2) | DE19517480A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2171118A1 (es) * | 2000-05-25 | 2002-08-16 | Valero M Angeles Rodriguez | Procedimiento de fabricacion de tejido de malla a partir de monofilamento. |
ES2195704A1 (es) * | 2001-02-06 | 2003-12-01 | Valero M-Angeles Rodriguez | Tejido de malla y procedimiento para su obtencion. |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010049458A1 (de) | 2010-10-22 | 2012-04-26 | Paul Sauer Gmbh & Co. Walzenfabrik Kg | Walze mit verstärktem Walzenmantel |
DE102010049457A1 (de) | 2010-10-22 | 2012-04-26 | Paul Sauer Gmbh & Co. Walzenfabrik Kg | Walze oder Walzenelement mit verstärktem Walzenmantel |
DE202011107518U1 (de) | 2011-11-04 | 2011-12-08 | Paul Sauer Gmbh & Co. Walzenfabrik Kg | Walze oder Walzenelement mit elastomerem Walzenmantel |
DE202011107519U1 (de) | 2011-11-04 | 2011-12-08 | Paul Sauer Gmbh & Co. Walzenfabrik Kg | Walze mit gummielastischem Walzenmantel |
DE102023109089A1 (de) * | 2023-04-11 | 2024-10-17 | Gebrüder Aurich GmbH | Textile gitterartige Struktur zur Abwehr von Insekten |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2769222A (en) * | 1950-04-10 | 1956-11-06 | Southwell Mary Elizabeth | Fabric and method of making same |
CH699069D (de) * | 1968-05-07 | 1900-01-01 | ||
DE1959574A1 (de) * | 1969-11-27 | 1971-06-03 | Berkenhoff & Drebes Ag | Faden und aus dem Faden hergestelltes Siebgewebe |
DE6918165U (de) * | 1969-05-05 | 1970-01-29 | Hoechst Ag | Filter- und siebgewebe aus ummanteltem polyestermaterial. |
DE2324359A1 (de) * | 1973-05-14 | 1974-11-28 | Karl Benker | Verfahren und vorrichtung zur herstellung von fixierten geweben aus thermoplastischem kunststoffadenmaterial |
FR2364284A1 (fr) * | 1976-09-10 | 1978-04-07 | Payen & Cie L | Procede pour la fabrication d'une etoffe rigide ajouree et etoffes ainsi realisees |
US4107371A (en) * | 1977-10-25 | 1978-08-15 | Johnson & Johnson | Woven fabric that is relatively stiff in one direction and relatively flexible in the other |
DE2849596A1 (de) * | 1978-11-15 | 1980-05-29 | Amengual Rotger | Verfahren zur herstellung von textilien mit synthetischen bestandteilen |
AT365673B (de) * | 1979-04-19 | 1982-02-10 | Vogel Werner Ing | Einrichtung zur herstellung eines gitterfoermigen gewebes |
US4479999A (en) * | 1982-04-15 | 1984-10-30 | Celanese Corporation | Fabric comprised of fusible and infusible fibers, the former comprising a polymer which is capable of forming an anisotropic melt phase |
DE8318102U1 (de) * | 1983-06-22 | 1983-10-27 | Verseidag-Industrietextilien Gmbh, 4150 Krefeld | Textile Flächenbahn |
GB2221477C (en) * | 1988-08-31 | 2009-08-27 | Philip John Poole | Window blinds |
DE3835929A1 (de) * | 1988-10-21 | 1990-04-26 | Kirson Gmbh | Verfahren zum gegenseitigen verbinden von gitter bildenden faeden |
DE4206997C2 (de) * | 1992-03-05 | 1997-07-03 | Milliken Europ Nv | Verfahren zur Herstellung eines textilen Flachmaterials aus mindestens zwei Komponenten unterschiedlichen Schmelzpunktes |
-
1995
- 1995-05-12 DE DE19517480A patent/DE19517480A1/de not_active Ceased
-
1996
- 1996-05-08 DE DE59603532T patent/DE59603532D1/de not_active Expired - Fee Related
- 1996-05-08 AT AT96107231T patent/ATE186340T1/de not_active IP Right Cessation
- 1996-05-08 EP EP96107231A patent/EP0742300B1/de not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2171118A1 (es) * | 2000-05-25 | 2002-08-16 | Valero M Angeles Rodriguez | Procedimiento de fabricacion de tejido de malla a partir de monofilamento. |
ES2195704A1 (es) * | 2001-02-06 | 2003-12-01 | Valero M-Angeles Rodriguez | Tejido de malla y procedimiento para su obtencion. |
Also Published As
Publication number | Publication date |
---|---|
DE19517480A1 (de) | 1996-11-14 |
ATE186340T1 (de) | 1999-11-15 |
EP0742300A1 (de) | 1996-11-13 |
DE59603532D1 (de) | 1999-12-09 |
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