EP0371257B1 - Vorrichtung zum Bilden einer Dreherkante zum Einsatz auf einer Jacquard-Maschine - Google Patents

Vorrichtung zum Bilden einer Dreherkante zum Einsatz auf einer Jacquard-Maschine Download PDF

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Publication number
EP0371257B1
EP0371257B1 EP89119816A EP89119816A EP0371257B1 EP 0371257 B1 EP0371257 B1 EP 0371257B1 EP 89119816 A EP89119816 A EP 89119816A EP 89119816 A EP89119816 A EP 89119816A EP 0371257 B1 EP0371257 B1 EP 0371257B1
Authority
EP
European Patent Office
Prior art keywords
lifting
heald
carrier
healds
lifting healds
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
Application number
EP89119816A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0371257A1 (de
Inventor
Heinz Josef Klöcker
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.)
Kloecker Entwicklungs GmbH
Original Assignee
Kloecker Entwicklungs 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 Kloecker Entwicklungs GmbH filed Critical Kloecker Entwicklungs GmbH
Priority to AT89119816T priority Critical patent/ATE92120T1/de
Publication of EP0371257A1 publication Critical patent/EP0371257A1/de
Application granted granted Critical
Publication of EP0371257B1 publication Critical patent/EP0371257B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C7/00—Leno or similar shedding mechanisms
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C7/00—Leno or similar shedding mechanisms
    • D03C7/02—Gauze healds

Definitions

  • the invention relates to a device for forming a leno edge for use on a jacquard machine, wherein at least two lifting healds and a half heald guided through the lifting healds and carried along by one lifting heald are provided, the lifting healds being connected to the harness cords.
  • Jacquard machines are used to manufacture the so-called jacquard fabric.
  • Jacquard fabric is the collective term for all fabrics with a weave pattern that can only be created by lifting individual weaving threads. Typical jacquard fabrics are, for example, damask and brocade. To produce a specific pattern, the individual raising of a number of warp threads per weft entry corresponding to the pattern size must be determined. Harness cords attached to printed circuit boards are used to raise the upright threads that bind in the same way. The boards are raised by the lifting knives. The choice of lifting the respective boards is made by the needles, which in turn are controlled by the cards.
  • a disadvantage of the prior art is that the weight of the entire device is significantly increased by the weights and the guide device.
  • the invention has for its object to provide a device for forming a leno edge for use on a jacquard machine that allows high stroke rates without increasing the weight of the machine and thus the drive power can be kept constant.
  • this object is achieved in that magnets are provided on the lifting strands for controlling the half strands by the lifting strands.
  • the lifting strands are each advantageously provided with a jacket for receiving the magnets.
  • the distance of the magnets arranged in the lifting healds from the inner web of the guide opening corresponds approximately to the leg length of the half heald.
  • the half strands must consist of a magnetic metal or have a corresponding insert. Even with a high number of strokes, this device always ensures precise control of the half strands.
  • the half strand with the lifting strands or the mounting rails themselves is for control by elastic means, e.g. Elastic bands, connected, wherein clamping means are provided for connecting the elastic bands to the mounting rails.
  • elastic means e.g. Elastic bands
  • a holder for receiving the lifting strands, the harness cords being connected to the holder.
  • the bracket for the lifting healds here consists of two alternately moving supports, the supports being guided in the longitudinal direction by at least one guide arm.
  • each carrier has two support rails arranged at a vertical distance from one another.
  • the supports are adjustable in length.
  • each carrier is divided and each carrier part of a carrier is provided with an opposite bore for receiving an extension pin.
  • the extension pin can be fixed in the carrier parts by means of clamping screws.
  • the straps themselves each have an eyelet at their upper ends for receiving a harness cord, which causes the straps to move vertically.
  • Each carrier is held at its lower end by a spring element, for example a spring, in order to ensure the return of the carrier after deflection by the harness cord.
  • the spring elements are arranged on a bracket attached to the holding element. For the rest, the holding element has a hold-down device for the upright thread, which always holds it in the direction of opening the compartment.
  • the half-strand consists essentially of two legs, which form a closed eyelet at one end for guiding the leno thread.
  • Each leg of the half-strand is guided through a guide opening arranged in the lifting strand, which is formed by two webs which are laterally offset one above the other.
  • the lifting healds are each designated 1 and 2, and the half healds guided by the lifting healds are each designated 3.
  • the lifting healds 1 and 2 have means 4a to 4d at the end for attachment to the mutually moving support rails 5a to 5d.
  • Each lifting heald 1 or 2 has a guide opening 6, 7 which is formed by the webs 6a, 6b or 7a, 7b.
  • the half-strand 3 consists essentially of two legs 3a and 3b, which form a closed eyelet 8 for guiding the leno thread 19 at their upper end.
  • the control is carried out by magnets 9, 10 arranged in the jacket 20, 21 of the lifting healds 1, 2 Web 6b or 7b of the guide opening 6 or 7.
  • the distance between the magnet 9 or 10 and the inner web 6b or 7b of each guide opening 6 or 7 is approximately the length of one leg 3a, 3b of the half strand 3 .
  • elastic bands 11, 12 are provided, by means of which the legs 3a, 3b of the half-strand are connected to the lifting strands (FIG. 2, FIG. 3).
  • the embodiment according to FIG. 3 differs from that according to FIG. 2 only in that the elastic bands 13, 14 are directly connected to the heald frames 5c, 5d by clamping means 15, 16.
  • the control process itself corresponds to that of the first embodiment.
  • these webs have reinforcing inserts 17, 18, for example made of metal.
  • the bracket designated as a whole for receiving the lifting healds 1, 2 consists of a holding element 23 and a pair of supports 24, 25, which are held by the holding element 23 by means of two guide arms 26, 27 (FIG. 4).
  • Each carrier 24, 25 has two support rails 5a, 5b, 5c, 5d, which are spaced apart from one another in the vertical direction and to which the lifting strands 1, 2 are attached.
  • the carrier 24, 25 is formed in two parts, the two carrier parts 24a, 24b and 25a, 25b each being connected by means of an extension pin 28, 29.
  • the extension pin 28, 29 is guided in the holes made in the support parts; the extension pin is fixed by clamping screws, in 4 each indicated at 30. This opens up the possibility of using lifting strands of different lengths to produce a different stroke length.
  • the carriers 24, 25 each have an eyelet 31, 32 for the harness cord 33, 34.
  • the carriers 24, 25 are held by springs 35, 36, which are fastened to a boom 37, which in turn is connected to the holding element 23.
  • the leno edge is now formed in a known manner by alternately lifting and lowering the carriers 24, 25 through the harness cords 33, 34.
  • the binding is effected by the leno thread 19 and the upright thread 38, the upright thread in each case corresponding to the stroke of the half strands 3 is guided along one side of the half strand.
  • a hold-down device 39 is provided which holds the upright thread in the direction of the compartment opening; the hold-down device is fastened to the holding element 23 and is designed in the manner of a finger.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Electrophotography Configuration And Component (AREA)
  • Emergency Lowering Means (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Harvester Elements (AREA)
  • Auxiliary Weaving Apparatuses, Weavers' Tools, And Shuttles (AREA)
EP89119816A 1988-11-30 1989-10-25 Vorrichtung zum Bilden einer Dreherkante zum Einsatz auf einer Jacquard-Maschine Expired - Lifetime EP0371257B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89119816T ATE92120T1 (de) 1988-11-30 1989-10-25 Vorrichtung zum bilden einer dreherkante zum einsatz auf einer jacquard-maschine.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8814891U DE8814891U1 (es) 1988-11-30 1988-11-30
DE8814891U 1988-11-30

Publications (2)

Publication Number Publication Date
EP0371257A1 EP0371257A1 (de) 1990-06-06
EP0371257B1 true EP0371257B1 (de) 1993-07-28

Family

ID=6830332

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89119816A Expired - Lifetime EP0371257B1 (de) 1988-11-30 1989-10-25 Vorrichtung zum Bilden einer Dreherkante zum Einsatz auf einer Jacquard-Maschine

Country Status (5)

Country Link
EP (1) EP0371257B1 (es)
AT (1) ATE92120T1 (es)
DE (2) DE8814891U1 (es)
ES (1) ES2042932T3 (es)
HK (1) HK78994A (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1230002B (it) * 1989-04-21 1991-09-20 Somet Soc Mec Tessile Dispositivo mobile per eseguire la legatura a giro inglese dei bordi di tessuti in formazione su telai di tessitura senza navette.
IT1271950B (it) * 1993-02-11 1997-06-10 Nuovopignone Ind Meccaniche Ef Perfezionamenti in un telaio tessile
DE19521099C1 (de) * 1995-06-09 1996-03-14 Dornier Gmbh Lindauer Kantendreher
FR2735795B1 (fr) * 1995-06-20 1997-07-18 Icbt Diederichs Sa Dispositif pour la realisation d'une fausse lisiere a pas de gaze sur une machine a tisser
DE29703896U1 (de) * 1997-03-04 1998-07-02 Kloecker Entwicklungs Gmbh Hebelitze
US6244304B1 (en) 1997-11-03 2001-06-12 Klocker-Entwicklungs Gmbh Doup end tension regulating device for a selvedge former
DE19750804C1 (de) * 1997-11-17 1999-05-12 Kloecker Entwicklungs Gmbh Halblitze einer Dreherkantenvorrichtung mit Hebelitzen
DE10004376A1 (de) 2000-02-02 2001-08-23 Dornier Gmbh Lindauer Verfahren zum Herstellen eines Dreher-Grundgewebes auf Webmaschinen
BE1015554A3 (nl) * 2003-06-06 2005-06-07 Picanol Nv Bindingsinrichting voor een weefmachine en werkwijze voor het gebruik ervan.
DE202009004636U1 (de) * 2009-04-03 2009-07-09 Gebrüder Klöcker GmbH Jacquarddrehervorrichtung und Jacquardmaschine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2704557A (en) * 1955-03-22 Loom for producing fancy lend weaves
GB1059478A (en) * 1964-12-05 1967-02-22 Samuel Dracup & Sons Ltd Improvements in or relating to selvedge jacquard mechanisms
CH579161A5 (es) * 1974-06-10 1976-08-31 Grob & Co Ag
US3952778A (en) * 1975-04-28 1976-04-27 Rockwell International Corporation Selvage forming device

Also Published As

Publication number Publication date
DE58905045D1 (de) 1993-09-02
ES2042932T3 (es) 1993-12-16
HK78994A (en) 1994-08-12
ATE92120T1 (de) 1993-08-15
DE8814891U1 (es) 1989-03-09
EP0371257A1 (de) 1990-06-06

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