EP0932713B1 - Schutzvorrichtung für die verbindung einer jaquardlitze mit ihren steuermitteln - Google Patents

Schutzvorrichtung für die verbindung einer jaquardlitze mit ihren steuermitteln Download PDF

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Publication number
EP0932713B1
EP0932713B1 EP98906969A EP98906969A EP0932713B1 EP 0932713 B1 EP0932713 B1 EP 0932713B1 EP 98906969 A EP98906969 A EP 98906969A EP 98906969 A EP98906969 A EP 98906969A EP 0932713 B1 EP0932713 B1 EP 0932713B1
Authority
EP
European Patent Office
Prior art keywords
connection
heald
section
sheath
eyelet
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
EP98906969A
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English (en)
French (fr)
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EP0932713A1 (de
Inventor
Jean-Jacques Tardy
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Individual
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Individual
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Publication date
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Publication of EP0932713A1 publication Critical patent/EP0932713A1/de
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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/24—Features common to jacquards of different types
    • D03C3/40—Constructions of lifting-cords

Definitions

  • the invention relates to a device for protection of the connection of the looms of the looms Jacquard, that is to say equipped with a Jacquard mechanism, with the arcade cords.
  • each stringer 2 is provided with an eyelet 3 crossed by the chain wire 4 whose vertical position must be checked. She is linked, by its lower end 2a, to means of reminder made up, according to the embodiments, by a spring 5 or by an elastic wire, fixed by its end to frame. Its upper end 2b is provided an eyelet or equivalent allowing its attachment to a yoke cord controlled by Jacquard mechanics 8.
  • Each stringer is generally supplied by being linked to its recall means and it is set up on the trade by hooking the lower end of its means on a fixed part of the frame and by hooking its eyelet 2b at the end of one of the arch cords 6.
  • the first system implements a tube in synthetic material which, having a length greater than that of the crowd, is arranged around the rail, then, after knotting or wedging the end of the cord in the loop or eyelet of the boom, is reassembled on the eyelet loop beyond the end of this element.
  • Such a tube has the disadvantage of having a minimum outside diameter which is too large and which cannot be used with high densities.
  • the second system is to wrap the area connecting the arch cord with the eyelet or the loop by a molded plastic part.
  • This solution is expensive and forms around the point of connection a outgrowth which, in the case of a high density of smooth and running at high speed, promotes, when in contact with neighboring growths, transverse twists harmful to the quality of weaving.
  • the third system most usually used and, for example, described in FR.A-2,212,891, consists of covering the bonding area of the smooth by a heat-shrinkable plastic tube having a length of the order of 30 mm.
  • This tube is first introduced under the rail to come below eyelet or loop then, after knotting or jamming of the end of the arch cord, is reassembled to wrap the bonding area and then is heated to heat shrink around this area.
  • This technique which ensures the protection of the connection area, while possibly participating in the link, as part of entrapment of the cord, has the advantage of increasing very weakly the transverse dimension of this area of connection and this due to the small thickness of the tube.
  • the object of the present invention is to provide a protective device overcomes these disadvantages and which is space-saving, easy to implement, little expensive, while preventing vertical snagging between neighboring rails.
  • This object is achieved with the device of the claim independent, in which before heat-shrinking, the section of heat-shrinkable sheath is fitted on a cylindrical seat of a nozzle, made of synthetic material and with a shoulder, the said end piece comprising, opposite this connection zone, a part extreme, without sharp angles, the cross section of which decreases away from the connection zone, from its shoulder with the cylindrical seat, and being mounted sliding on the arm to be able, during the attachment of the arm to the arch wire, to release the connection zone, and in order to be able, before heat shrinking, to bring back the section of sheath around this area, the largest outside diameter of the nozzle, measured at its shoulder, being greater than the outer diameter of the sheath, while the sheath has a inside diameter of substantially equal value, within functional clearance, overall dimensions cross of the heald eye
  • each stringer is previously provided with the plastic tip, slidably mounted on it and equipped with the tubular section.
  • the tip When mounting the boom, the tip is away from the eyelet, to promote the knotting or jamming the cord and then is brought back against this eyelet so that its tubular section envelops this one and the knotted or hung ends of the cord arcade.
  • the heat-shrink allows to retract the tubular section on the connection zone for reduce the overall size of the protection.
  • This device forms a whole, conical and without sharp angles at less on one side.
  • this set comes in contact with the protruding ends of the neighboring rails, it radially and gradually move away the areas of connection of neighboring rails, without generating rebounds and without risk of snagging.
  • the heald 2 is equipped a nozzle 10 made of synthetic material.
  • This tip present, going from top to bottom, that is, going opposite the eyelet 2b, a cylindrical seat 13, a shoulder 12 and one end 14.
  • the latter has a cross section which, decreasing in moving away from the eyelet 2b, gives it a shape frustoconical or ogival, without sharp angles.
  • This tip can be molded out of the beam then threaded on it before its eyelet or its loop 2b, but it can also be directly molded on the stringer 2, when the synthetic material component has the ability not to adhere to metal constituting the stringer 6, so that this end piece is free in translation on this stringer.
  • On the scope cylindrical 13 of the nozzle 10 is fitted one of the ends of a tubular body 15. The engagement of this body is limited by stop on the shoulder 12.
  • this tubular body 15 is constituted by a section sheath in heat-shrinkable synthetic material.
  • the boom When the boom is supplied, it is therefore secured to the nozzle 10 equipped with the section 15 as shown in FIG. 2.
  • the end piece 10 is moved opposite the eyelet 2b to release this eyelet and facilitate hanging or knotting the cord of arcade 6 on him.
  • the entire device is reassembled so that, as shown in FIG. 3, the tube 15 envelops the eyelet 2b and the end of the arcade cord 6 and extends beyond these elements.
  • Local heating is then carried out of tube 15 so that it retracts by marrying the eyelet and the arch cord, and taking the form shown in Figure 4.
  • the area of connection has, in the lower part, an ogival shape pronounced without sharp corners or edges and, in part upper, a shape whose cross section goes globally decreasing upwards.
  • the largest outside diameter of the nozzle 10, measured at the shoulder 12, is greater than the diameter of the tube 15 and this to avoid any catching with the tips juxtaposed.
  • the internal diameter of the tube 15 As for the internal diameter of the tube 15, it has a substantially equal value, at play functional close to that of the transverse dimensions eyelet 2b or loop.
  • the length of the tube 15 or of the spring 16 is of the order of 30 mm, so as shown in Figures 3 to 4, to extend beyond the area of connection between the arch cord 6 and the eyelet 2b or equivalent.
  • the device according to the invention is simple to implement, little expensive, space-saving transversely and contributes to avoid any hooking between rails.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Clamps And Clips (AREA)

Claims (1)

  1. Schutzvorrichtung für die Verbindung des oberen Endes einer Jacquard-Litze (2) mit ihrer Harnischschnur (6), wobei bei dieser Vorrichtung die Verbindungszone in einem Ummantelungsstück (15) aus wärmeschrumpfbarem Kunststoffmaterial eingeschlossen ist, das länger als diese Zone ist, wenn sich das Stück im wärmegeschrumpften Zustand befindet,
    dadurch gekennzeichnet, dass das wärmeschrumpfbare Ummantelungsstück (15) auf einen zylindrischen Absatz (13) eines mit einer Schulter (12) versehenen Kunststoffschuhs (10) gesteckt ist, wobei dieser Schuh (10) entgegengesetzt zu der Verbindungszone einen von scharfen Kanten freien Endbereich (14) aufweist, dessen Querschnitt - ausgehend von seiner Schulter (12) mit dem zylindrischen Absatz (13) - mit zunehmender Entfernung von der Verbindungszone abnimmt, und wobei er verschiebbar auf der Litze (2) angebracht ist, um beim Aufhängen der Litze an der Harnischschnur (6) die Verbindungszone freigeben zu können und um vor dem Wärmeschrumpfen das Ummantelungsstück (15) über diese Zone bewegen zu können, wobei der größte Außendurchmesser des Schuhs (10) - gemessen im Bereich seiner Schulter (12) - größer als der Außendurchmesser der Ummantelung (15) ist, während die Ummantelung (15) einen Innendurchmesser aufweist, dessen Wert bis auf ein Funktionsspiel im Wesentlichen gleich dem Querraumbedarf des Auges (2b) der Litze (2) ist.
EP98906969A 1997-02-05 1998-02-04 Schutzvorrichtung für die verbindung einer jaquardlitze mit ihren steuermitteln Expired - Lifetime EP0932713B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9701518 1997-02-05
FR9701518A FR2759095B1 (fr) 1997-02-05 1997-02-05 Dispositif de protection de la liaison d'une lisse jacquard avec ses moyens de commande et/ou de rappel
PCT/FR1998/000201 WO1998035080A1 (fr) 1997-02-05 1998-02-04 Dispositif de protection de la liaison d'une lisse jacquard avec ses moyens de commande et/ou de rappel

Publications (2)

Publication Number Publication Date
EP0932713A1 EP0932713A1 (de) 1999-08-04
EP0932713B1 true EP0932713B1 (de) 2001-11-28

Family

ID=9503538

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98906969A Expired - Lifetime EP0932713B1 (de) 1997-02-05 1998-02-04 Schutzvorrichtung für die verbindung einer jaquardlitze mit ihren steuermitteln

Country Status (4)

Country Link
EP (1) EP0932713B1 (de)
DE (1) DE69802660T2 (de)
FR (1) FR2759095B1 (de)
WO (1) WO1998035080A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1896354B (zh) * 2005-07-15 2011-11-09 米歇尔·范德威尔公司 用于对综片与通丝的连接进行锁定的装置和方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2770541B1 (fr) * 1997-11-05 1999-12-24 Staubli Lyon Dispositif d'accrochage d'une lisse a un cordon, lisse de metier a tisser comprenant un tel dispositif d'accrochage et metier a tisser equipe d'une telle lisse
BE1012321A5 (nl) * 1998-12-04 2000-09-05 Wiele Michel Van De Nv Jacquardhevel.
CZ10648U1 (en) * 2000-10-11 2000-12-01 Tre Connecting device for cords
FR2855838A1 (fr) * 2003-06-04 2004-12-10 Amstar Sarl Dispositif de liaison entre chacune des lisses et son cordon de commande dans un metier jacquard
CN102773692A (zh) * 2012-07-25 2012-11-14 浙江旷达纺织机械有限公司 一种用于通丝装造的校眼设备的套管固定模板

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2114285A5 (en) * 1970-11-18 1972-06-30 Dutel Marcel Yarn lock - on jacquard stitch/warp rod by sliding sleeve
FR2198011A2 (en) * 1972-08-29 1974-03-29 Dutel Marcel Loom jacquard mechanism has heald wires - connected at their lower ends to elastic return cords and sleeves covering joints between cords and wires
FR2212891A5 (en) * 1972-12-28 1974-07-26 Taine Yvon Securing together wires or cables - in which the joint is covered by sheath having fusible and contractible layers
IT1204672B (it) * 1987-05-29 1989-03-10 Creazioni Tessili Borsa Di Ces Tirante elastico,applicabile alle macchine jacquard,per la realizzazione di tessuti operati
FR2674264A1 (fr) * 1991-03-21 1992-09-25 Amstar Element de rappel a ressort pour lisse de metier a tisser equipe d'une mecanique jacquard.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1896354B (zh) * 2005-07-15 2011-11-09 米歇尔·范德威尔公司 用于对综片与通丝的连接进行锁定的装置和方法

Also Published As

Publication number Publication date
DE69802660D1 (de) 2002-01-10
DE69802660T2 (de) 2002-05-23
EP0932713A1 (de) 1999-08-04
FR2759095A1 (fr) 1998-08-07
FR2759095B1 (fr) 1999-04-23
WO1998035080A1 (fr) 1998-08-13

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