EP0174533B1 - Dispositif d'exécution d'une lisière à pas de gaze - Google Patents

Dispositif d'exécution d'une lisière à pas de gaze Download PDF

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Publication number
EP0174533B1
EP0174533B1 EP85110561A EP85110561A EP0174533B1 EP 0174533 B1 EP0174533 B1 EP 0174533B1 EP 85110561 A EP85110561 A EP 85110561A EP 85110561 A EP85110561 A EP 85110561A EP 0174533 B1 EP0174533 B1 EP 0174533B1
Authority
EP
European Patent Office
Prior art keywords
thread
leno
warp
warp thread
opening
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
Application number
EP85110561A
Other languages
German (de)
English (en)
Other versions
EP0174533A2 (fr
EP0174533A3 (en
Inventor
Heinrich 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 AT85110561T priority Critical patent/ATE38398T1/de
Publication of EP0174533A2 publication Critical patent/EP0174533A2/fr
Publication of EP0174533A3 publication Critical patent/EP0174533A3/de
Application granted granted Critical
Publication of EP0174533B1 publication Critical patent/EP0174533B1/fr
Expired 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
    • D03C7/06—Mechanisms having eyed needles for moving warp threads from side to side of other warp threads

Definitions

  • the invention relates to a device for forming a leno selvedge, whereby reciprocating heald frames are provided and one or more warp thread holders, preferably held by means of a frame, for guiding one or more warp threads are arranged on a heald frame, and wherein a thread guide device is arranged on the other heald frame Frame is guided, and which has an oblique slot for guiding the leno thread.
  • a device for forming a fabric edge provided with a binding is known (DE-A-2 916 838), in which reciprocating heald frames are provided, a needle holder being arranged on one weaving script and a main rail with an oblique slot being arranged on the other heald frame.
  • a front rail In front of the main rail is a front rail which is movable relative to this and which has an oblique slot which is arranged crosswise with respect to the oblique slot of the main rail.
  • the relative movement of the attachment rail and the main rail results in a shift of the leno thread in the inclined slot, so that it rests on the needle with a certain tension, which ensures that the thread safely reaches the other side of the needle after the needle tip has run off.
  • a device for forming a leno edge is known (DE-OS-1 535 662), which show embodiments with one and two oblique slots, the oblique slots each having a retaining lug at the end. In this case, however, only the guide plate having the oblique slots moves while the needles are fixed with the upright threads.
  • the invention is therefore based on the object to remedy this disadvantage.
  • the diameter of the warp thread holder is preferably reduced below the opening for the warp thread in the contact area of the leno thread, so that there is a reduction in cross-section.
  • the or the warp thread holder (needle) is rotated by a certain angle, preferably by an angle of 30 degrees, about its longitudinal axis, so that the respective opening of the warp thread holder lies obliquely to the lifting plane of the thread guide device.
  • the thread guide device has an opening for guiding a further warp thread.
  • the opening is located in the thread guide device in the region of the upper end of the inclined slot provided in the fader guide device, and is preferably located between two warp thread holders with respect to the warp thread holders.
  • the device according to FIGS. 1-7 for forming a leno selvedge has the heald frame 1 and the heald frame 2 (FIG. 6), which can be guided alternately, for example via a roller; the lower heald frames are omitted in FIG. 6.
  • the warp thread holder 34 is arranged in the form of a needle on one heald frame 1. It has an opening 33 for guiding the warp thread 36.
  • the warp thread holder 36 is guided through a frame 8, which essentially consists of two parallel frame rails 9 and 10, which are approximately U-shaped in cross section.
  • a thread guiding device generally designated 37, is arranged on the other heald frame 2.
  • This thread guiding device 37 is guided in the manner of a backdrop by the same frame rails 9 and 10, connecting means 7a to the heald frame 2 being provided. This means that if, for example, the heald frame 1 is moved in the direction of arrow 11, the thread guide device 7 is moved in the direction of arrow 12.
  • the thread guide device 37 has an oblique slot 31, which has a holding lug 14 at the end.
  • the leno thread 31 a lies in this slant slot 31.
  • the oblique slot 31 exceeds the thickness of the warp thread holder 34 with respect to its horizontal extent 31 b; the leno thread is thus given the possibility of running along the outer surface 34a of the warp thread holder 34 during the lifting movement.
  • the warp thread 36 drawn through the opening 33 in the warp thread holder or needle 34 is guided out laterally on the frame rail 10 via an opening 21 so that the thread guiding device can carry out its lifting movement unhindered. As shown in FIG. 1, the warp thread 36 introduced into the opening 33 is first guided downward, deflected there and then pulled upward through the opening 21.
  • the operation of the device according to FIGS. 1-7 is as follows: once the heald frames have reached the position shown in FIGS. 1 and 2, the warp thread 36 drawn through the opening 33 and the leno thread 31a form a shed; the leno thread 31a lies in the oblique slot 31 at the lower end. If the one heald frame 2 now moves in the direction of the arrow 12 (FIG. 6), then the leno thread 31a in the oblique slot 31 is first moved along the outer surface 34a of the needle 34 (cf. also FIGS. 4 and 5). When moving on beyond the intersection of warp thread and leno thread, a compartment is created. A weft thread is inserted into this compartment (not shown).
  • this weft thread is not yet tied off at first.
  • the leno thread makes a movement along the outer surface 34a of the needle 34 until it has reached the end of the needle 34 at 35, in which case it can then carry out the transverse movement in the now newly formed compartment , since it is already in the retaining lug 14 (cf. FIG. 1, dash-dotted position of the thread guide device 37).
  • the leno thread 31a therefore only tied the warp thread to the weft thread after the second shed formation.
  • the leno thread 31a is lifted out of the retaining lug 14 as a result of the deflecting surface 35 of the needle 34 and runs along the outer surface 34a of the needle 34 until it has reached the lower reversal point, with a compartment at the same time is formed.
  • a weft thread is also inserted here, but there is still no setting with the help of the leno thread.
  • the device according to FIGS. 8-14 for forming a leno selvedge has the heald frame 1 and the heald frame 2, which can be guided alternately, for example via a roller.
  • the warp thread holders 17 (FIG. 9) in the form of two needles 4 and 5 are arranged on one heald frame 1. They have an opening 6 for guiding the warp thread 6a or 6b.
  • the warp thread holders 4 and 5 are guided through a frame 8, which essentially consists of two parallel frame rails 9 and 10, which have an approximately U-shaped cross section.
  • a thread guide device which is denoted overall by 7, is arranged on the other heald frame 2.
  • This thread guiding device 7 is guided in the manner of a backdrop by the same frame rails 9 and 10, connecting means 7a to the heald frame 2 being provided.
  • the thread guide device 7 has an oblique slot 13, which has a holding lug 14 at the end.
  • the leno thread 13a lies in this oblique slot 13.
  • an opening 15 is provided for guiding a third warp thread 15a.
  • the oblique slot 13 extends horizontally to such an extent that its ends give the leno thread located there the possibility of running along the outer surface 5a of the needle 5.
  • the opening 15 for the warp thread 15a lies between the warp thread holders or the needles 4 and 5, that is to say in the center of the needles.
  • each warp thread 6a or 6b introduced into the opening 6 is first guided downward, deflected there and then pulled upward through the opening 21.
  • FIGS. 8-14 The operation of the device according to FIGS. 8-14 is essentially identical to the first embodiment. Because of the better overview it is listed here again:
  • the warp threads 6a, 6b and 15a drawn through the openings 15 and 6 form a compartment; the leno thread 13a lies in the oblique slot 13 at the lower end at 16. If the one heald frame 2 now moves in the direction of the arrow 12, then the leno thread 13a is first moved along the outer surface 5a of the needle 5 in the oblique slot 13 (cf. also 4 and 5). When moving on beyond the crossing point of the warp threads, a compartment is created. A weft thread is inserted into this compartment. However, this weft thread is not yet tied off at first.
  • the leno thread makes a movement along the outer surface 5a of the needle 5 until it has reached the end of the needle 5 at 22, in which case it can then carry out the transverse movement in the now newly formed compartment , since it is already in the holding lug 14 (cf. FIG. 8 dash-dot position of the thread guide device 7).
  • the leno thread 13a therefore only tied the warp threads to the weft thread after the second shed formation.
  • the leno thread 13a is lifted out of the retaining lug 14 as a result of the deflecting surface 20 of the needle 4 and runs along the outer surface 14a of the needle 4 until it has reached the lower reversal point, with a compartment at the same time is formed.
  • a weft thread is also inserted here, but there is still no setting with the help of the leno thread.
  • the leno thread 13a only sets after every second shed formation, since the leno thread (13a) only executes a lifting movement along the outer surface 5a or 4a of the needle 5 or 4 after each transverse movement.
  • the slanted slot 23 for the leno thread 29 is assigned to the warp thread holder 24 in the form of a needle with an opening 26 for the warp thread 27; the slanted slot 23a for the leno thread 30 is assigned to the warp thread 25 in the form of a needle with an opening 26a for the warp thread 28.
  • Both needles have the deflection surface 20a, which has the same function as the deflection surface 20 in the device according to FIGS. 1-7.
  • a compartment is created by the warp thread 27 and the leno thread 29 in the slant slot 23 or the warp thread 28 and the leno thread 30.
  • the transverse movement is carried out with the aid of the oblique slot 29 or 30 in the same way as in the embodiment according to FIGS. 1-7; however, the leno edge is not as strong as the leno edge that is created with the aid of the device according to FIGS. 8-14.
  • a warp thread 46 or 46a and a leno thread 32 or 32a are used.
  • An oblique slot 38 or 39 for the leno thread 32a or 32 is assigned to the warp thread holder 43 or 44, which each has the shape of a needle.
  • the warp thread holders 43 and 44 each have an opening 45 and 45a through which the warp thread 46 and 46a is guided.
  • Both warp thread holders (needles) 43 and 44 have a deflecting surface 41 and 42 at their respective ends, the deflecting surfaces being arranged in mirror image - corresponding to the arrangement of the oblique slots 38, 39 in the thread guiding device 40.
  • the diameter of the warp thread holder is reduced in the contact area of the leno thread below the opening for the warp thread, so that there is a reduction in cross section 47.
  • the tension of the leno thread is somewhat reduced, so that the running-in of the leno thread into the retaining lug 14 is guaranteed in any case.
  • the warp thread holder is rotated about its longitudinal axis by a certain angle, preferably by an angle of 30 °, so that the respective opening of the warp thread holder is inclined to the lifting plane of the thread guide device lies.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)

Claims (4)

1. Dispositif pour former une lisière de gaze, dans lequel sont prévues des lames déplacées mutuellement, et dans lequel sur une lame sont montés un ou plusieurs porte-fils de chaîne maintenus de préférence au moyen d'un bâti, pour guider un ou plusieurs fils de chaîne, et sur l'autre lame est monté un dispositif de guidage de fils guidé par le bâti et comportant une fente oblique pour guider le fil de gaze, dispositif pour former une lisière de gaze caractérisé en ce que la fente oblique est pourvue, de manière connue en soi, d'un bec de maintien (14) du côté de son extrémité, et en ce que le diamètre du porte-fils de chaîne (4, 5 ou 34 ou 24, 25 ou 43,44) diminue dans la zone de contact du fil de gaze, de préférence au-dessous de l'orifice (6 ou 33 ou 26, 26a ou 45,45a) prévu pour le fil de chaîne, de sorte qu'il en résulte une diminution de section transversale (47).
2. Dispositif selon la revendication 1, caractérisé en ce que le porte-fils de chaîne (aiguille) (4, 5 ou 34, ou 24, 25 ou 43, 44) est tourné autour de son axe longitudinal d'un angle déterminé, de préférence d'un angle de 30 degrés, de telle sorte que l'orifice (6 ou 33 ou 26, 26a ou 45, 45a) prévu pour le fil de chaîne se situe obliquement par rapport au plan de direction de la course du dispositif de guidage (37 ou 40 ou 7) des fils (fig. 2, fig. 10, fig. 21).
3. Dispositif selon la revendication 1, caractérisé en ce que le dispositif de guidage (7) des fils comporte un orifice (15) pour guider un autre fil de chaîne (15a) (fig. 8, fig. 14).
4. Dispositif selon la revendication 3, caractérisé en ce que l'orifice (15) du dispositif de guidage (7) des fils est ménagé dans la zone de l'extrémité supérieure de la fente (13) pratiquée dans ce dispositif de guidage des fils et se trouve situé, par rapport aux porte-fils de chaîne, de préférence entre deux porte-fils de chaîne (4, 5).
EP85110561A 1984-08-27 1985-08-22 Dispositif d'exécution d'une lisière à pas de gaze Expired EP0174533B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85110561T ATE38398T1 (de) 1984-08-27 1985-08-22 Vorrichtung zur bildung einer dreherkante.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3431442 1984-08-27
DE3431442 1984-08-27
DE19843442204 DE3442204A1 (de) 1984-08-27 1984-11-19 Vorrichtung zur bildung einer dreherkante
DE3442204 1984-11-19

Publications (3)

Publication Number Publication Date
EP0174533A2 EP0174533A2 (fr) 1986-03-19
EP0174533A3 EP0174533A3 (en) 1986-07-30
EP0174533B1 true EP0174533B1 (fr) 1988-11-02

Family

ID=25824204

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85110561A Expired EP0174533B1 (fr) 1984-08-27 1985-08-22 Dispositif d'exécution d'une lisière à pas de gaze

Country Status (4)

Country Link
US (1) US4671327A (fr)
EP (1) EP0174533B1 (fr)
DE (2) DE3442204A1 (fr)
ES (1) ES8700703A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8812937U1 (de) * 1988-10-14 1989-01-05 Klöcker-Entwicklungs-GmbH, 4280 Borken Vorrichtung zum Bilden einer Dreherkante
DE4000395A1 (de) * 1990-01-09 1991-07-11 Kloecker Entwicklungs Gmbh Vorrichtung zum bilden einer dreherkante
DE4204629C1 (fr) * 1992-02-15 1993-03-04 Kloecker-Entwicklungs-Gmbh, 4280 Borken, De
DE29716100U1 (de) * 1997-09-08 1997-10-30 Textilma Ag, Hergiswil Fadensteuervorrichtung
ES2337470T3 (es) * 2003-11-28 2010-04-26 Textilma Ag Dispositivo de ajuste de hilos para una maquina textil, en particular para un dispositivo de formacion de la calada.
DE102005051666A1 (de) * 2005-10-28 2007-05-03 Bayerische Motoren Werke Ag Faserverbundstruktur

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE684571C (de) * 1939-01-01 1939-11-30 Hofmann & Zindel Vorrichtung zum Bilden von Schnittleisten fuer Gewebe
GB1056748A (en) * 1963-09-20 1967-01-25 Dewas Raymond Improvements in or relating to looms
US3256913A (en) * 1963-09-23 1966-06-21 Dewas Raymond Crossing formation on fabrics
DE1535662A1 (de) * 1963-10-14 1969-08-28 Walter Scheffel Vorrichtung fuer Schnittkanten-Abbindung an Geweben durch Dreherabbindung
US3191634A (en) * 1964-01-02 1965-06-29 Crompton & Knowles Corp Means for forming selvages in looms
US3741256A (en) * 1971-12-28 1973-06-26 B Wesseler Device for the production of intermediate selvages in fabric webs
DE2916838C2 (de) * 1979-04-26 1985-01-31 Heinz 4280 Borken Klöcker Vorrichtung zum Bilden einer mit einer Bindung versehenen Gewebekante, insbesondere bei schützenlosen Webmaschinen
US4478256A (en) * 1983-01-14 1984-10-23 Gebr. Klocker (Klocker Bros.) Apparatus for producing a selvage provided with a crossweave

Also Published As

Publication number Publication date
EP0174533A2 (fr) 1986-03-19
ES8700703A1 (es) 1986-10-16
ES546411A0 (es) 1986-10-16
US4671327A (en) 1987-06-09
DE3442204A1 (de) 1986-03-06
EP0174533A3 (en) 1986-07-30
DE3566003D1 (en) 1988-12-08

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