WO1989001405A1 - Procede et dispositif de production de tissus d'armure a fils de trame diagonaux - Google Patents

Procede et dispositif de production de tissus d'armure a fils de trame diagonaux Download PDF

Info

Publication number
WO1989001405A1
WO1989001405A1 PCT/EP1988/000036 EP8800036W WO8901405A1 WO 1989001405 A1 WO1989001405 A1 WO 1989001405A1 EP 8800036 W EP8800036 W EP 8800036W WO 8901405 A1 WO8901405 A1 WO 8901405A1
Authority
WO
WIPO (PCT)
Prior art keywords
fabric
roller
take
fabrics
webs
Prior art date
Application number
PCT/EP1988/000036
Other languages
German (de)
English (en)
Inventor
Dietrich A. H. Kirchner
Original Assignee
Texbau Kirchner 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 Texbau Kirchner Gmbh filed Critical Texbau Kirchner Gmbh
Priority to DE8888901573T priority Critical patent/DE3880147D1/de
Publication of WO1989001405A1 publication Critical patent/WO1989001405A1/fr

Links

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
    • 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
    • D03D13/002—With diagonal warps or wefts
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D41/00—Looms not otherwise provided for, e.g. for weaving chenille yarn; Details peculiar to these looms

Definitions

  • the invention relates to a method and a device for producing reinforcement fabrics with diagonal weft threads.
  • Reinforcing fabrics are increasingly required in modern technology as tensile stabilizing inserts in plastic materials and also for the diagonal reinforcement of high tensile textile formwork.
  • tensile strength in all directions is important in most cases, which is only possible to a limited extent with the stabilizing materials available so far, such as woven fabrics, nonwovens, etc.
  • Conventional fabrics for example, have to be installed in multiple layers in the plastic materials to be reinforced in alternating installation directions to ensure tensile strength in all directions.
  • the stabilizing fabrics the right-angled and therefore easily displaceable arrangement of warp and weft threads is responsible for this.
  • Nonwovens offer reinforcing materials Reinforcement options with tensile strengths in all directions, however, due to their random structure, have a significantly higher constructional stretch than fabric.
  • the object of the invention is to provide a method of the type mentioned at the beginning with which very stable and reliable fabric arrangements can be created which can also be used for the mentioned reinforcement purposes for applications with very high tensile forces.
  • the solution according to the invention consists in the fact that the reinforcement fabrics consist of two or more conventional fabric webs, the right-angled arrangement of warp and weft threads in a rolling process being warped by oblique pulling to an oblique-angled thread construction and which are connected to one another in this warped form.
  • the fabric web thus produced is then connected to a second fabric web likewise produced, in which, however, the weft threads are distorted in the opposite direction, so that the inclined weft threads cross and form a triangular arrangement with the longitudinal warp threads.
  • Both fabric webs can be done in the same way with the same device are prefabricated and then joined together with crossing weft threads after one of the two webs has been pivoted in the longitudinal direction by 180 °.
  • a web is practically pivoted through 180 ° in the transverse direction.
  • the web of fabric produced with a pulling device after being wound onto a take-up roll, is unwound approximately half of it and wound in the opposite direction onto a second parallel take-up roll, and that with the piece of fabric located between the two take-up rolls starting the webs are pulled from both take-up rolls and connected together.
  • the second half of the fabric web is pivoted by 180 in a transverse direction with respect to the first.
  • the draft angle is advantageously approximately 15 ° to 45. At larger angles, it becomes very difficult to pull the tissue so much. At smaller angles, the deviation from the right angle is not large enough so that the effect of the diagonal reinforcement or reinforcement wears off. Be particularly advantageous have • • • - but proved draft angle of about 30, as in this case, the thread arrays of warp and weft threads in the form of equilateral triangles are obtained which make the reinforcement mesh fabric in all directions the same tensile strength.
  • only one take-off device could be provided and two warped material webs produced in this same take-off device could be connected to one another after appropriate intermediate storage, one of the webs being rotated about its longitudinal axis before the webs were connected. If large quantities are to be produced quickly, two different draw-off devices acting in opposite directions will be used and the webs thus warped will be connected to one another continuously and continuously.
  • the deflection roller is provided with a schrauben ⁇ shaped surface structure to the fabric an axial the withdrawal direction "opposite Kraftkompo ⁇ component exerts.
  • the so structured deflection roller can go ⁇ toward be provided with an adhesive coating to the side slipping of the fabric on this guide roller prevent additionally.
  • the fabric web leaves the take-off device in the same direction in which it also entered the take-off device. Since a reversal of the direction of movement is avoided in this way, this method can be used particularly advantageously in production lines.
  • the first deflection roller in the working direction is expediently provided with an adhesive coating so that the fabric cannot slip here.
  • the second deflecting roller has a very smooth surface, so that slipping and the desired warping take place particularly easily here.
  • more than two fabric sheets can also be connected to one another.
  • the best way to connect the fabric webs is by gluing.
  • the advantage here is that, due to the relatively open fabric structure, the adhesive can easily pass through several layers of fabric webs lying one on top of the other. Polyester and glass fiber have proven to be a particularly advantageous material for the reinforcement fabrics.
  • the reinforcement fabric is provided with a coating after the warped fabric webs have been connected, it is not only possible to obtain particularly good reinforcement or reinforcement for other fabrics. Rather, the product consisting of coating and reinforcement can be used directly since it is very stable. This is due to the fact that the coating can easily get into the relatively large spaces between the threads and at the same time additionally connects these threads to one another.
  • a waterproof coating is particularly useful. In this way, waterproof tarpaulins or sheets are obtained which are effectively reinforced with diagonal reinforcement. Coatings made of PVC or rubber are particularly cheap. In all cases, flexible but highly tensile membranes are obtained, which are reinforced in a simple and very effective way.
  • the textile web can be warped via a single roller, which is provided with an adhesive coating or a helically profiled coating.
  • two rollers can be used, of which the the first is provided with an adhesive coating, while the second is very smooth.
  • a composite roller is now used which has elongated elements which are arranged on a cylinder jacket and are displaceable in the direction of the cylinder axis and which are connected in particular to the roller hub via cardan-movable spokes.
  • the corresponding elongated elements move with increasing distortion of the material in the cylinder direction and thus follow the tissue, so that the tissue on these parts no longer slides when it is distorted, but is guided, whereby a particularly trouble-free distortion is made possible.
  • the elongated elements could be freely movable so that they follow the direction of warping. However, it is more advantageous to control this movement by providing a control for displacing the elongate elements in the cylinder axis direction as a function of the roller rotation.
  • the drafting roller is provided at its ends with shaft ends which are inclined to the cylinder axis, the shaft axes of which are parallel and which have spoke-shaped holding elements which are rotatable about axes perpendicular to the shaft axis and to which the elongate elements are fastened in such a way that between the elongated elements and the holding elements connected therewith, a pivoting movement is possible about an axis which is perpendicular to the shaft axis and to the axis of rotation between the holding element and shaft axis.
  • the drafting roller has inclined disks between the shaft ends, with which the elongated elements are connected in this way are, as is the case for the connection of the elongated elements with the shaft ends.
  • Figure 1 is a plan view of an arrangement for warping a fabric web.
  • FIG. 2 shows the device of FIG. 1 in side view
  • FIG. 3 shows a perspective view of two warped fabric webs which are to be connected to one another
  • Fig. 4 shows the finished reinforcement produced by the method of Fig. 3 in plan view
  • FIG. 6 is a graphical representation to explain the method of FIG. 5;
  • FIG. 10 shows the device of FIG. 9 in a side view
  • FIG. 11 shows a further device in plan view, specifically along the line XI-XI of FIG. 12;
  • FIG. 12 shows the device of FIG. 11 in a side view, specifically along the line XII-XII;
  • FIG. 13 shows an axial plan view of a roller which can be used for the invention
  • Figure 14 is a side view of the roller of Figure 13 with some parts omitted.
  • Fig. 15 the roller of Figs. 13 and 14 from the side.
  • FIG. 1 shows a supply roll 1 for a relatively open and easily displaceable fabric 2 with a chain 3 and weft threads 4.
  • the supply roll 1 is held in a storage and braking device 5, by means of which the take-off speed and pull-off force can be regulated.
  • a deflection roller mounted at 7 is shown, which is provided with helical threads 8.
  • the deflection roller 6 is arranged parallel to the supply roll 1 and perpendicular to the warp threads 3.
  • a winding roller 10, which is mounted and driven at 9, is arranged obliquely to the deflection roller 6. By means of this take-up roll 10, the fabric is drawn off obliquely from the deflection roller 6, so that warp and weft threads are no longer at right angles to one another.
  • FIG. 1 shows the arrangement of Fig. 1 in side view, the direction of rotation of the individual rollers and rollers is indicated by arrows.
  • FIG. 3 shows two fabric webs 2 produced on take-up rolls 10, one of which is arranged above the other and one of which has been rotated by 180 ° around the direction of the longitudinal extent of the expanded fabric web. These fabric sheets are then placed on top of one another and glued, the adhesive being able to flow easily through the relatively open fabric and being able to connect the two fabrics to one another.
  • the finished arrangement in plan view can be seen in Fig. 4.
  • a somewhat different embodiment is shown, in which the two fabric webs 2 lying one above the other are pulled over three deflection rollers 16 through an adhesive bath 17 and then, after the adhesive has hardened, are wound up on a take-up roller 18 which is attached to a frame 19 is.
  • the frame 19 carries a further take-up roll 20 on which the web can be wound up when the first take-up roll 18 is full.
  • Fig. 6 it is illustrated that in the method of Fig. 5, one half of the fabric web 2 is folded over practically in the direction of the arrows 21 about a transverse axis 22 by 180 °, so that the triangular shape of the threads is obtained, which in the lower part is shown, while in the upper part of the figure the original web is shown with obliquely distorted weft threads.
  • two deflection rollers 6 and 23 are provided which are arranged in parallel and touch.
  • the first deflection roller 6 in the working direction is provided with an adhesive coating, while the second deflection roller 23 has a smooth surface.
  • the fabric web 2 is still held in its original undistorted shape by the deflection roller 6; the warping takes place only on the roller 23, where it can take place particularly easily and effectively because of the smooth surface thereof.
  • FIGS. 9 and 10 differs from that of FIGS. 7 and 8 in the following points.
  • a supply roll 1 two supply rolls 1 and 25 are provided, so that after unwinding the supply from one Role can be quickly changed to the second.
  • two take-up rolls 10 and 24 are provided.
  • a further guide roller 27 is arranged in front of the two deflecting rollers 6 and 23, in which the oblique pulling takes place.
  • a further braking device is provided at 26, which acts in addition to the braking devices, which acts on the rollers 11, 25, 6 and / or 23.
  • two material webs 2 and 2 ' are simultaneously drawn off from two supply rolls i and 1'. They are first drawn between two contacting guide rollers 27 and 28 or 27 'and 28', so that the conditions behind these guide rollers are independent of the degree of unwinding or remaining stock of material webs on the supply rollers 1 and 1 '. The material webs are then drawn over the deflection rollers 6 and 23 or 6 'and 23', on which the oblique distortion takes place. The two material webs that come into contact with one another are pulled off in the direction of arrow 31 above two further deflecting rollers 29 and 30 that are in contact and that are arranged obliquely to the rollers mentioned.
  • connection is made with adhesive, which is arranged in an adhesive bath 17.
  • adhesive which is arranged in an adhesive bath 17.
  • roller 16 which is wetted by the adhesive and one of the webs coated with adhesive. Since there is a risk that the two fabric webs 2 and 2 'do not lie exactly one above the other in the region of the rollers 29 and 30, it can be provided for the corresponding correction that the two rollers 29 and 30 can be displaced in the axial direction relative to one another by a or both rollers can be moved in the axial direction. If the two material beds 2 and 2 'are not exactly one above the other, this can be corrected by axially displacing one or both rollers.
  • the compound is conveniently carried out as mentioned by gluing, on the one hand pasty or liquid adhesive • as polyvinyl chloride, polyvinyl acetate, rubber, bitumen and the like can be used. It goes without saying that the transition to welding processes is fluid if, for example, polyester fabric webs are glued with polyester.
  • powdery adhesive application with e.g. Polyester, polyamide, polyethylene is possible.
  • These adhesives which then act as a welding agent, are sprinkled on the sides of the fabric to be bonded and activated by heat before the fabrics are joined together.
  • the arrangement of Fig. 12 can be reversed. While in the arrangement shown in FIG. 12 the adhesive is applied from below through the roller 16 and thus passes between the two fabric webs 2 and 2 ', the fabric webs would have to be pulled down so that the powdery adhesive is applied to the top of a fabric web could.
  • the bonding can also be carried out using hot-melt adhesives which are introduced in the form of nonwovens between the two material webs at the point at which they unite, ie in the embodiment of FIG. 4 between the rollers 29 and 30, which are then designed as heating rollers .
  • Another fabric could also be used here, possibly not warped fabric is inserted between the two warped fabrics to further reinforce the multi-layer fabric produced.
  • FIGS. 13 to 15 show an advantageous embodiment of a drafting roller 40 which can be used for the invention.
  • the drafting roller 40 is not a closed structure, but is essentially made up of elongated, approximately beam-shaped elements 41 which are arranged on a cylinder jacket and which, in the embodiment shown, are hollow to save weight. On their surface the elongated elements 41 carry an adhesive coating e.g. in the form of rubber. The fabric web 2 to be warped rests only on the rubber elements 42.
  • the elongated elements 41 shift during the rotational movement of the drafting roller 40, as will now be described in connection with FIGS. 14 and 15.
  • the shaft with which the roller 40 is driven is not coaxial with the axis of symmetry of the draft roller, but has a direction 43 which includes an angle with the roller axis 44.
  • a shaft end or a hub 45 which is connected to the shaft and can rotate about the axis 43.
  • Holding elements 47 rotatable about axes 46 are connected to this hub 45, each of which is connected to an elongate element 41.
  • the axes 46 are perpendicular to the shaft axis 43. Of the elements 41, only three elements are shown in FIG. 14 for better clarity.
  • the elongated elements 41 are fastened to the holding elements 47 so as to be pivotable about axes 48, which are perpendicular to the shaft axis 43 and perpendicular are to the axis 46, so that a gimbal attachment of the elongated elements 41 is obtained.
  • a corresponding hub element 45 is provided, which can be rotated about an axis parallel to the axis 43.
  • support elements 49 can also be provided between the two outer hub elements 45, which are gimbally connected to the elongate elements 41, as is the case with the elements 45. These elements 49 can either be arranged freely between the elongated elements 41 or they can be supported by fastening them on the roller axis 44 in such a way that they maintain their inclined position in space, but can also rotate with the draft roller 40.
  • the elongated elements 41 execute a complete back and forth movement with each rotation of the drafting roller 40 and thereby cause an extremely fabric-friendly drafting of displaceable fabrics in positive guidance.
  • the lateral fabric distortion takes place in the non-supporting spaces between the individual supporting surfaces 42, so that irregular warping due to irregular slipping on the roller can no longer occur.
  • the roller 40 is still shown in a side view, in such a way that the roller axis 44 is in the plane of the drawing.
  • the shaft axis 43 is arranged obliquely to the plane of the drawing.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Woven Fabrics (AREA)

Abstract

Selon un procédé de production de tissus d'armure à fils de trame agencés par rapport aux fils de chaîne de façon à former des triangles entre les deux, on produit des tissus qui sont également résistants à la traction dans tous les sens. Les tissus d'armure se composent de deux ou de plusieurs tissus classiques (2) dont l'agencement en angle droit des fils de chaîne et des fils de trame est obliquement étiré pendant le cylindrage de façon à former une construction de fils à angle oblique, les fils étant alors reliés les uns aux autres sous cette forme obliquement étirée.
PCT/EP1988/000036 1987-08-10 1988-01-20 Procede et dispositif de production de tissus d'armure a fils de trame diagonaux WO1989001405A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8888901573T DE3880147D1 (de) 1987-08-10 1988-01-20 Verfahren und vorrichtung zur herstellung von armierungsgeweben mit diagonalen schussfaeden.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP3726556.3 1987-08-10
DE3726556 1987-08-10

Publications (1)

Publication Number Publication Date
WO1989001405A1 true WO1989001405A1 (fr) 1989-02-23

Family

ID=6333440

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1988/000036 WO1989001405A1 (fr) 1987-08-10 1988-01-20 Procede et dispositif de production de tissus d'armure a fils de trame diagonaux

Country Status (4)

Country Link
EP (1) EP0379478B1 (fr)
JP (1) JPH03502117A (fr)
DE (1) DE3880147D1 (fr)
WO (1) WO1989001405A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2666275A1 (fr) * 1990-08-28 1992-03-06 Uniroyal Englebert Gmbh Procede de production d'un tissu de cordes pour pneumatique.
WO2000056965A1 (fr) * 1999-03-22 2000-09-28 Hexcel Fabrics Tissu en biais, procede de fabrication et metier a tisser pour la fabrication en continu d'un tel tissu
ES2251326A1 (es) * 2005-10-14 2006-04-16 Roger Franck A. Desmond Capeyron Tejido elastico.
US7964052B2 (en) 2002-03-08 2011-06-21 Gurit (Uk) Limited Moulding material
EP3144421A3 (fr) * 2015-09-17 2017-05-03 VÚTS, a.s. Procédé de formation de tissu et dispositif pour sa mise en oeuvre
EP3482878A1 (fr) * 2017-11-13 2019-05-15 Cordier Spezialpapier GmbH Support d'abrasif

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013003641A1 (de) * 2013-03-05 2014-09-11 Lohmann Gmbh & Co. Kg Winkelgewebe, dessen Herstellung und Verwendung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4055697A (en) * 1975-05-19 1977-10-25 Fiberite Corporation Woven material with filling threads at angles other than right angles
US4268561A (en) * 1978-03-20 1981-05-19 Thompson James D Means and method of manufacturing a high strength bar
DE3042569A1 (de) * 1980-11-12 1982-05-27 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Gewebe in bahnform zur herstellung von langgestreckten bauteilen, wie rotorblaetter fuer hubschrauber o.dgl.
US4622254A (en) * 1981-08-31 1986-11-11 Toray Industries, Inc. Fiber material for reinforcing plastics
EP0250044A1 (fr) * 1986-06-20 1987-12-23 N.V. Bekaert S.A. Tissu à trame en biais

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4055697A (en) * 1975-05-19 1977-10-25 Fiberite Corporation Woven material with filling threads at angles other than right angles
US4268561A (en) * 1978-03-20 1981-05-19 Thompson James D Means and method of manufacturing a high strength bar
DE3042569A1 (de) * 1980-11-12 1982-05-27 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Gewebe in bahnform zur herstellung von langgestreckten bauteilen, wie rotorblaetter fuer hubschrauber o.dgl.
US4622254A (en) * 1981-08-31 1986-11-11 Toray Industries, Inc. Fiber material for reinforcing plastics
EP0250044A1 (fr) * 1986-06-20 1987-12-23 N.V. Bekaert S.A. Tissu à trame en biais

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2666275A1 (fr) * 1990-08-28 1992-03-06 Uniroyal Englebert Gmbh Procede de production d'un tissu de cordes pour pneumatique.
WO2000056965A1 (fr) * 1999-03-22 2000-09-28 Hexcel Fabrics Tissu en biais, procede de fabrication et metier a tisser pour la fabrication en continu d'un tel tissu
FR2791365A1 (fr) * 1999-03-22 2000-09-29 Hexcel Fabrics Tissu en biais, procede de fabrication et metier a tisser pour la fabrication en continu d'un tel tissu
US6494235B1 (en) 1999-03-22 2002-12-17 Hexcel Fabrics (Societe Anonyme) Bias-bound fabric, method for making same and weaving machine for continuously making such a fabric
US7964052B2 (en) 2002-03-08 2011-06-21 Gurit (Uk) Limited Moulding material
US8088470B2 (en) 2002-03-08 2012-01-03 Gurit (Uk) Limited Moulding material
ES2251326A1 (es) * 2005-10-14 2006-04-16 Roger Franck A. Desmond Capeyron Tejido elastico.
EP3144421A3 (fr) * 2015-09-17 2017-05-03 VÚTS, a.s. Procédé de formation de tissu et dispositif pour sa mise en oeuvre
EP3482878A1 (fr) * 2017-11-13 2019-05-15 Cordier Spezialpapier GmbH Support d'abrasif

Also Published As

Publication number Publication date
EP0379478A1 (fr) 1990-08-01
EP0379478B1 (fr) 1993-04-07
DE3880147D1 (de) 1993-05-13
JPH03502117A (ja) 1991-05-16

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