EP0088455A2 - Procédé et dispositif pour tisser des tissus lâches - Google Patents

Procédé et dispositif pour tisser des tissus lâches Download PDF

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Publication number
EP0088455A2
EP0088455A2 EP83103833A EP83103833A EP0088455A2 EP 0088455 A2 EP0088455 A2 EP 0088455A2 EP 83103833 A EP83103833 A EP 83103833A EP 83103833 A EP83103833 A EP 83103833A EP 0088455 A2 EP0088455 A2 EP 0088455A2
Authority
EP
European Patent Office
Prior art keywords
weft
thread
goods
loose
loose goods
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.)
Withdrawn
Application number
EP83103833A
Other languages
German (de)
English (en)
Other versions
EP0088455A3 (fr
Inventor
Johann Berger
Josef Berger
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP83103833A priority Critical patent/EP0088455A3/fr
Publication of EP0088455A2 publication Critical patent/EP0088455A2/fr
Publication of EP0088455A3 publication Critical patent/EP0088455A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • D03D15/60—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 warp or weft elements other than yarns or threads
    • D03D15/68—Scaffolding threads, i.e. threads removed after weaving

Definitions

  • the invention relates to a method for producing a fabric, the warp threads of which are intended to be fed in a later operation to a machine for producing flat textile goods, otherwise with the features of the preamble of claim 1.
  • Machines for producing flat textile goods are called “finished goods manufacturing machines” in the following. In particular, these can be weaving machines or warp knitting machines, in general any machine that processes a family of parallel threads.
  • the invention further relates to a device for producing a loose fabric, which is called "loose goods” in the following.
  • threads is intended to include monofilaments, yarns, threads, ribbons and the like, as well as elastic material.
  • flat textile material is intended to include fabrics and knitted fabrics, including tubular ones, and nets. The knitted fabrics can be produced on warp knitting machines or corresponding crochet machines.
  • the subject of the European patent application 81 101 344.0 with the same priority date as the present application is to use such a method to make the previously customary warp beams on finished goods manufacturing machines superfluous.
  • the disadvantages of using warp beams are explained in detail in this application.
  • the finished goods-producing machine must always be stopped when a warp beam - has run empty, so it can be replaced by a new and all threads can be re-pick up again. This means a loss of production time, which is all the more important the faster the finished goods production machine works. Warp beams also require storage space and transport costs.
  • warp beams and creels are made superfluous in that warp threads from loose material are fed to the finished goods manufacturing machines, the weft loops being pulled from the loose goods immediately before being fed to the finished goods manufacturing machines.
  • the present invention is therefore based on the object of avoiding the winding of the newly produced or refined thread on bobbins at all.
  • the loose goods according to claim 1 are produced immediately after a thread manufacturing or processing machine or several such machines, then one not only avoids the winding on bobbins, but also the transport of the bobbins and return transport of the bobbins and storage costs.
  • the loose goods must also be transported. However, this can be done in relatively large containers. Storage in a container compared to winding on a spool has the decisive advantage that both ends of the loose goods are accessible. While feeding one end of the finished goods manufacturing machine, one can already connect the other end to one end of loose goods, which are stored in another container. This process can take place during the work of the finished goods manufacturing machine does not require a machine downtime.
  • the invention also relates to a device for producing a loose material, the device being arranged in particular, but not necessarily, directly after at least one of the thread manufacturing or processing machines mentioned.
  • the finished loose goods move so quickly that it would normally no longer be possible to produce the securing loops properly on a knitting needle.
  • a handle hanging on the needle for a stitch would namely be pulled by the loosened loose fabric against the clamping point of the knitting needles. A stitch could then no longer be beaten off.
  • the deflection rod mentioned there ensures that, despite the low weft density (e.g. only one weft loop per 10 cm fabric length) and the high weaving speed, the stitches can still be knocked down perfectly.
  • the loop according to claim 3 can be held in place by a special component, namely a weft retainer, which ensures that the weft loops and their stitches are produced properly.
  • the loose goods are woven on a weaving machine to be described. It is made from threads emerging from a thread making machine or a thread processing machine, also from a rubber spinning machine, if elastic threads are desired. If loose goods are required which have more warp threads than one of the machines mentioned can deliver, several machines of this type can be driven synchronously and then together deliver the necessary warp threads.
  • the loose goods are filled into containers in an ordered or unordered manner and thus delivered to companies that manufacture finished goods.
  • Figures 1 and 2 show different ways to weave loose tape according to known methods.
  • weft loops 3 are inserted into a group 1 of warp threads from the left, in such a way that the closed ends 3.1 of the weft loops protrude on the right.
  • the weaving methods according to FIGS. 1 and 2 are suitable for weft densities down to 1 weft loop per 10 cm fabric length, and possibly even lower weft densities.
  • the loose goods are provided with a course 7, which from the Weft yarn 9 itself using W irknadel 11 is formed of a.
  • the method can be used on both sides to achieve particularly low weft densities.
  • Weft loops entered from right to left can be determined by a second row of stitches on the left side.
  • the course 7 can be pulled together with the weft loops 3. If the knitting needle 11 in FIG. 3 is removed, the uppermost weft loop 3 can be pulled out to the left.
  • the next lower stitch then follows, the corresponding stitch also being drawn up.
  • FIG. 2 shows the manufacture of loose goods using an auxiliary thread 13.
  • a course 7 ' is formed from the weft loops 3 and the auxiliary thread.
  • weft loops can be inserted from the right and from the left, and both can be defined in each course by means of an auxiliary thread.
  • FIGS. 3 to 6 show the production of a relatively narrow loose material on a needle ribbon weaving machine.
  • a group 1 of warp threads is fed to the needle ribbon weaving machine from a thread manufacturing machine or thread processing machine. It has, inter alia, a weft insertion needle 70, a knitting needle 11 and a reed or reed 74.
  • the knitting needle can be displaced in the longitudinal direction of the ribbon between its two end positions, which are shown in FIGS. 5 and 6.
  • a deflection rod 76 in the form of a ceramic cylinder is attached to the machine and perpendicular to the belt level, close to the knitting needle path, specifically behind the stop point 77 of the reed 74 (FIG. 6).
  • an angular weft retainer 78 (also called “thread piercer") can be pivoted about a horizontal axis 80 arranged.
  • Figure 4 shows its two extreme positions. It has a constriction 83 below its spherical end 82 for more secure guidance of the weft thread 2.
  • Loose goods of greater width are also produced with the entry of weft loops.
  • other known organs serve for this purpose instead of the insertion needle 70 shown in FIGS. 5 and 6.
  • the threads can be supplied by several synchronously working thread manufacturing or processing machines.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Woven Fabrics (AREA)
  • Looms (AREA)
EP83103833A 1981-02-25 1981-02-25 Procédé et dispositif pour tisser des tissus lâches Withdrawn EP0088455A3 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP83103833A EP0088455A3 (fr) 1981-02-25 1981-02-25 Procédé et dispositif pour tisser des tissus lâches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP83103833A EP0088455A3 (fr) 1981-02-25 1981-02-25 Procédé et dispositif pour tisser des tissus lâches

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP81101344.0 Division 1981-02-25
EP81101344A Division EP0036498B1 (fr) 1980-03-13 1981-02-25 Procédé pour ammener une bande de fils parellels à une machine en vue de réaliser un produit textile

Publications (2)

Publication Number Publication Date
EP0088455A2 true EP0088455A2 (fr) 1983-09-14
EP0088455A3 EP0088455A3 (fr) 1983-11-30

Family

ID=8190418

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83103833A Withdrawn EP0088455A3 (fr) 1981-02-25 1981-02-25 Procédé et dispositif pour tisser des tissus lâches

Country Status (1)

Country Link
EP (1) EP0088455A3 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB511863A (en) * 1938-02-25 1939-08-25 Seal & Co Ltd H Improvements in or relating to looms and woven fabrics
US3605225A (en) * 1969-08-26 1971-09-20 Kirkland H Gibson Method of treating yarns to provide kinking and/or mottled effects in fabric
DE2726181A1 (de) * 1976-06-15 1977-12-29 Champion Int Corp Verfahren zum bilden eines gewebes
US4173990A (en) * 1978-03-13 1979-11-13 Hitco Temporary fabric and method and apparatus for weaving same

Also Published As

Publication number Publication date
EP0088455A3 (fr) 1983-11-30

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