EP0363808B1 - Device to form a leno weave selvedge - Google Patents

Device to form a leno weave selvedge Download PDF

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Publication number
EP0363808B1
EP0363808B1 EP89118431A EP89118431A EP0363808B1 EP 0363808 B1 EP0363808 B1 EP 0363808B1 EP 89118431 A EP89118431 A EP 89118431A EP 89118431 A EP89118431 A EP 89118431A EP 0363808 B1 EP0363808 B1 EP 0363808B1
Authority
EP
European Patent Office
Prior art keywords
frame
rail
rails
thread guide
guide element
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
EP89118431A
Other languages
German (de)
French (fr)
Other versions
EP0363808A1 (en
Inventor
Heinrich Josef Klöcker
Werner Wanning
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 AT89118431T priority Critical patent/ATE91161T1/en
Publication of EP0363808A1 publication Critical patent/EP0363808A1/en
Application granted granted Critical
Publication of EP0363808B1 publication Critical patent/EP0363808B1/en
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

Definitions

  • the invention relates to a device for forming a leno selvedge consisting of mutually moving heald frames, a thread guide device being attached to one heald frame and a needle holder having two parallel, essentially U-shaped frame rails, which holding a thread guide element, is arranged on the other heald frame.
  • a device of the type mentioned is known for example from German utility model 79 31 872. It has been shown that these frame rails are subject to high wear, especially when the magnets arranged in the thread guide element come into direct contact with the frame rail. If the frame rails of a needle holder are worn out to such an extent that the thread guide element is no longer properly guided, so that there is a risk of binding errors, the entire needle holder must be replaced, which is expensive.
  • a leno device is known with a guide frame which guides a warp thread holder in the frame rails, a thread guide device being guided in the parallel frame rails.
  • a guide frame which guides a warp thread holder in the frame rails
  • a thread guide device being guided in the parallel frame rails.
  • needle bearing strips are provided in the end faces of the rails. The wear problem is solved by the arrangement of needle bearing strips, which have low friction.
  • the invention has for its object to provide a needle holder in which the wear problem is solved with simpler means.
  • a groove is arranged in each leg base of one leg of the U-shaped frame rail, which is used to receive and guide the metal rail.
  • frame rails made of plastic could not be used.
  • a frame rail made of plastic can now also be used; the magnetic braking of the thread guide element now takes place in cooperation with the metal rail.
  • Frame rails made of plastic have the advantage of lower weight, which opens up the possibility of increasing the number of strokes of a weaving machine.
  • Metal rails which according to the prior art are only nickel-plated for protection against rust, also have the disadvantage that they quickly become rusty when used in wet weaving. This is impossible with plastic frame rails.
  • the metal rail itself is made of rustproof but magnetic steel.
  • a device for forming a leno selvedge consists of reciprocating heald frames, a needle holder being arranged on one heald frame and the other heald frame having a thread guiding device.
  • the second heald frame with the thread guide device arranged thereon has been omitted in FIG. 1.
  • the needle holder designated as a whole by 1, is arranged on the heald frame 2.
  • the needle holder 1 consists of the two parallel frame rails 3 and 4, which serve to guide the thread guide element 5 (FIG. 2).
  • the substantially U-shaped frame rail 3, 4 has a groove 6 and 7 in the leg base of each leg.
  • the metal rails 8 and 9 are located in the grooves 6 and 7 respectively.
  • the thread guide element 5 guided in the two frame rails 3, 4 is therefore not in direct contact with the frame rails, but is in contact with the metal rails 8, 9 on both sides. If the metal rails are worn, they can easily be replaced with new ones.

Abstract

Device for forming a gauze edge, consisting of alternately moved sheds, a yarn-guide device being attached to one shed, and there being arranged on the other shed a needle holder which has two parallel essentially U-shaped frame rails and which holds a yarn-guide element, the frame rail (3, 4) having an insert on its side facing the yarn-guide element (5). <IMAGE>

Description

Die Erfindung betrifft eine Vorrichtung zum Bilden einer Dreherkante, bestehend aus wechselseitig bewegten Webschäften, wobei an einem Webschaft eine Fadenführungseinrichtung angebracht ist und wobei an dem anderen Webschaft ein zwei parallele im wesentlichen U-förmig ausgebildete Gestellschienen aufweisender Nadelhalter angeordnet ist, der ein Fadenführungselement hält.The invention relates to a device for forming a leno selvedge consisting of mutually moving heald frames, a thread guide device being attached to one heald frame and a needle holder having two parallel, essentially U-shaped frame rails, which holding a thread guide element, is arranged on the other heald frame.

Eine Vorrichtung der eingangs genannten Art ist beispielsweise aus dem deutschen Gebrauchsmuster 79 31 872 bekannt. Es hat sich gezeigt, daß diese Gestellschienen einem hohen Verschleiß unterworfen sind, und zwar insbesondere dann, wenn die in dem Fadenführungselement angeordneten Magnete unmittelbar mit der Gestellschiene in Berührung kommen. Sind die Gestellschienen eines Nadelhalters soweit verschlissen, daß das Fadenführungselement nicht mehr ordnungsgemäß geführt wird, so daß die Gefahr von Bindefehlern entsteht, muß der komplette Nadelhalter ausgetauscht werden, was teuer ist.A device of the type mentioned is known for example from German utility model 79 31 872. It has been shown that these frame rails are subject to high wear, especially when the magnets arranged in the thread guide element come into direct contact with the frame rail. If the frame rails of a needle holder are worn out to such an extent that the thread guide element is no longer properly guided, so that there is a risk of binding errors, the entire needle holder must be replaced, which is expensive.

Aus der Gebrauchsmusterschrift 88 04 913 ist eine Dreherkantenvorrichtung bekannt mit einem Führungsgestell, das einen Kettfadenhalter in den Gestellschienen führt, wobei in den parallelen Gestellschienen eine Fadenführungsvorrichtung geführt wird. Dabei sind zur Verminderung der Reibung der bewegten Teile in den Schienen jeweils in den Stirnseiten der Schienen Nadellagerleisten vorgesehen. Das Verschleißproblem wird dabei durch die Anordnung von Nadellagerleisten gelöst, die eine geringe Reibung aufweisen.From the utility model 88 04 913 a leno device is known with a guide frame which guides a warp thread holder in the frame rails, a thread guide device being guided in the parallel frame rails. In order to reduce the friction of the moving parts in the rails, needle bearing strips are provided in the end faces of the rails. The wear problem is solved by the arrangement of needle bearing strips, which have low friction.

Der Erfindung liegt die Aufgabe zugrunde, einen Nadelhalter zu schaffen, bei dem das Verschleißproblem mit einfacheren Mitteln gelöst wird. Das wird erfindungsgemäß dadurch erreicht, daß die Gestellschiene auf ihrer dem Fadenführungselement zugewandten Seite eine Einlage in Form einer Metallschiene aufweist, die austauschbar ist, wobei die Gestellschiene aus Kunststoff besteht.The invention has for its object to provide a needle holder in which the wear problem is solved with simpler means. This is achieved according to the invention in that the frame rail has an insert in the form of a metal rail on its side facing the thread guide element, which insert is replaceable, the frame rail being made of plastic.

Durch diese Maßnahme wird ein Verschleiß an den Gestellschienen selbst vermieden; ist die Metallschiene verschlissen, so kann diese problemlos ausgetauscht werden. Zur Fixierung der Metallschiene in den Gestellschienen, ist jeweils in Schenkelgrund eines Schenkels der U-förmig ausgebildeten Gestellschiene eine Nut angeordnet, die der Aufnahme und Führung der Metallschiene dient.This measure prevents wear on the rack rails themselves; if the metal rail is worn, it can be replaced without any problems. To fix the metal rail in the frame rails, a groove is arranged in each leg base of one leg of the U-shaped frame rail, which is used to receive and guide the metal rail.

Da zur magnetischen Abbremsung des Fadenführungselementes die Gestellschiene immer metallisch ausgebildet sein muß, konnten Gestellschienen aus Kunststoff nicht zum Einsatz kommen. Durch den Einsatz der Metallschiene in die Gestellschiene kann nunmehr auch eine Gestellschiene aus Kunststoff zum Einsatz kommen; die magnetische Abbremsung des Fadenführungselementes erfolgt nunmehr in Zusammenarbeit mit der Metallschiene. Gestellschienen aus Kunststoff haben den Vorteil des geringeren Gewichts, wodurch sich die Möglichkeit eröffnet, die Hubzahl einer Webmaschine zu erhöhen.Since the frame rail must always be made of metal for magnetic braking of the thread guide element, frame rails made of plastic could not be used. By using the metal rail in the frame rail, a frame rail made of plastic can now also be used; the magnetic braking of the thread guide element now takes place in cooperation with the metal rail. Frame rails made of plastic have the advantage of lower weight, which opens up the possibility of increasing the number of strokes of a weaving machine.

Metallschienen, die nach dem Stand der Technik zum Schutz gegen Rost lediglich vernickelt sind, haben darüber hinaus den Nachteil, daß sie beim Einsatz in der Naßweberei schnell Rost ansetzen. Das ist bei Gestellschienen aus Kunststoff ausgeschlossen. Die Metallschiene selbst besteht aus rostfreiem aber magnetischem Stahl.Metal rails, which according to the prior art are only nickel-plated for protection against rust, also have the disadvantage that they quickly become rusty when used in wet weaving. This is impossible with plastic frame rails. The metal rail itself is made of rustproof but magnetic steel.

In der Zeichnung ist eine beispielsweise Ausführungsform dargestellt.

Fig. 1
zeigt die Vorrichtung zum Bilden einer Dreherkante in einer Seitenansicht;
Fig. 2
zeigt die zwei parallelen Gestellschienen eines Nadelhalters im Schnitt, wobei die Nadeln weggelassen sind.
An example embodiment is shown in the drawing.
Fig. 1
shows the device for forming a leno edge in a side view;
Fig. 2
shows the two parallel frame rails of a needle holder in section, with the needles omitted.

Gemäß Fig. 1 besteht eine Vorrichtung zum Bilden einer Dreherkante aus wechselseitig bewegten Webschäften, wobei an dem einen Webschaft ein Nadelhalter angeordnet ist, und der andere Webschaft eine Fadenführungseinrichtung aufweist. Zur besseren Übersicht ist in Fig. 1 der zweite Webschaft mit der daran angeordneten Fadenführungseinrichtung weggelassen worden.1, a device for forming a leno selvedge consists of reciprocating heald frames, a needle holder being arranged on one heald frame and the other heald frame having a thread guiding device. For a better overview, the second heald frame with the thread guide device arranged thereon has been omitted in FIG. 1.

Gemäß Fig. 1 ist der insgesamt mit 1 bezeichnete Nadelhalter an den Webschaft 2 angeordnet. Der Nadelhalter 1 besteht aus den zwei parallelen Gestellschienen 3 und 4, die der Führung des Fadenführungselementes 5 dienen (Fig. 2). Die im wesentlichen U-förmig ausgebildete Gestellschiene 3, 4 weist im Schenkelgrund eines jeden Schenkels eine Nut 6 bzw. 7 auf. In den Nuten 6 bzw. 7 befindet sich die Metallschiene 8 bzw. 9. Das in den beiden Gestellschienen 3, 4 geführte Fadenführungselement 5 steht somit nicht unmittelbar mit den Gestellschienen in Berührung, sondern liegt beidseitig an den Metallschienen 8, 9 an. Sind die Metallschienen verschlissen, so können diese in einfacher Weise durch neue ersetzt werden.1, the needle holder, designated as a whole by 1, is arranged on the heald frame 2. The needle holder 1 consists of the two parallel frame rails 3 and 4, which serve to guide the thread guide element 5 (FIG. 2). The substantially U-shaped frame rail 3, 4 has a groove 6 and 7 in the leg base of each leg. The metal rails 8 and 9 are located in the grooves 6 and 7 respectively. The thread guide element 5 guided in the two frame rails 3, 4 is therefore not in direct contact with the frame rails, but is in contact with the metal rails 8, 9 on both sides. If the metal rails are worn, they can easily be replaced with new ones.

Claims (4)

  1. Device for the formation of a leno edge, consisting of alternately moved healds, wherein a thread guide device is mounted on one heald and wherein a needle holder (1), which comprises two parallel frame rails (3, 4) constructed substantially in U-shape, is arranged at the other heald (2) and holds a thread guide element (5), characterised thereby that the frame rail (3, 4) has an insert, which is in the form of a metal rail (8, 9) and is exchangeable, on its side facing the thread guide element (5), wherein the frame rail (3, 4) consists of plastics material.
  2. Device according to claim 1, characterised thereby that the frame rail (3, 4) comprises means for the fixing of the metal rail (8, 9).
  3. Device according to claim 2, characterised thereby that for the fixing of the metal rail (8, 9) to the frame rail (3, 4) a respective groove (6, 7) is arranged in the limb base of each limb.
  4. Device according to claim 1, characterised thereby that the metal rail (8, 9) consists of stainless, but magnetic, steel.
EP89118431A 1988-10-14 1989-10-04 Device to form a leno weave selvedge Expired - Lifetime EP0363808B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89118431T ATE91161T1 (en) 1988-10-14 1989-10-04 DEVICE FOR FORMING A TURN EDGE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8812937U 1988-10-14
DE8812937U DE8812937U1 (en) 1988-10-14 1988-10-14

Publications (2)

Publication Number Publication Date
EP0363808A1 EP0363808A1 (en) 1990-04-18
EP0363808B1 true EP0363808B1 (en) 1993-06-30

Family

ID=6828875

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89118431A Expired - Lifetime EP0363808B1 (en) 1988-10-14 1989-10-04 Device to form a leno weave selvedge

Country Status (6)

Country Link
US (1) US5048573A (en)
EP (1) EP0363808B1 (en)
JP (1) JPH02127537A (en)
AT (1) ATE91161T1 (en)
DE (2) DE8812937U1 (en)
ES (1) ES2041929T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4204629C1 (en) * 1992-02-15 1993-03-04 Kloecker-Entwicklungs-Gmbh, 4280 Borken, De
DE10257519B3 (en) * 2002-12-10 2004-04-01 Klöcker-Entwicklungs-Gmbh Turned edge weaving unit, includes magnets near upper ends of reeds, with polarity arranged to cause mutual attraction

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2918945A (en) * 1958-07-16 1959-12-29 Crompton & Knowles Corp Selvage and method and means for making same
US3650576A (en) * 1970-11-20 1972-03-21 Ingersoll Rand Co Liner for aluminum drill guide feed
GB1400166A (en) * 1971-06-21 1975-07-09 Somet Soc Mec Tessile Leno selvedge shedding device
US4324437A (en) * 1978-05-12 1982-04-13 Narang Rajendra K Endless track
DE7931872U1 (en) * 1979-11-12 1980-03-27 Kloecker, Heinz, 4280 Borken DEVICE FOR MAKING A BINDING FABRIC EDGE, ESPECIALLY IN CONTINUOUS WEAVING MACHINES
CH639440A5 (en) * 1979-09-05 1983-11-15 Rueti Ag Maschf Weft insertion device for weaving machines with removal of the weft from stationary bobbins.
CH639439A5 (en) * 1979-09-05 1983-11-15 Rueti Ag Maschf GRIPPER HEAD FOR WEAVING MACHINES WITH THE REMOVAL OF THE WIFE FROM FIXED REELS.
IT1132580B (en) * 1980-08-29 1986-07-02 Nuovo Pignone Spa PERFECTED DEVICE FOR THE DOUBLE-ROUND ENGLISH CROSS BINDING OF THE SIDE EDGES OF A FABRIC IN A TEXTILE FRAME
DE3442204A1 (en) * 1984-08-27 1986-03-06 Klöcker-Entwicklungs-GmbH, 4280 Borken DEVICE FOR FORMING A ROTARY EDGE
JPS61172175U (en) * 1985-04-17 1986-10-25
EP0214322B1 (en) * 1985-09-02 1989-12-20 GebràœDer Sulzer Aktiengesellschaft Leno shed in looms
DE8804913U1 (en) * 1988-03-31 1988-08-18 Kloecker-Entwicklungs-Gmbh, 4280 Borken, De

Also Published As

Publication number Publication date
JPH0375651B2 (en) 1991-12-02
JPH02127537A (en) 1990-05-16
ES2041929T3 (en) 1993-12-01
DE58904837D1 (en) 1993-08-05
DE8812937U1 (en) 1989-01-05
US5048573A (en) 1991-09-17
ATE91161T1 (en) 1993-07-15
EP0363808A1 (en) 1990-04-18

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