EP0174533A2 - 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
EP0174533A2
EP0174533A2 EP85110561A EP85110561A EP0174533A2 EP 0174533 A2 EP0174533 A2 EP 0174533A2 EP 85110561 A EP85110561 A EP 85110561A EP 85110561 A EP85110561 A EP 85110561A EP 0174533 A2 EP0174533 A2 EP 0174533A2
Authority
EP
European Patent Office
Prior art keywords
thread
leno
warp
warp thread
guiding
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.)
Granted
Application number
EP85110561A
Other languages
German (de)
English (en)
Other versions
EP0174533B1 (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, wherein mutually movable heald frames are provided and wherein a plurality of warp thread holders, preferably held by means of a frame, for guiding warp threads are arranged on a heald frame.
  • a plurality of warp thread holders are arranged on each heald frame by means of a frame, the ends of which are spaced in the stroke direction in an end position of the heald frames to form a shed.
  • a leno thread is used to form a leno edge, which is guided by a leno thread holder designed as a pivoting lever and which carries out a corresponding movement in the one compartment position transversely to the compartment, so that the leno thread is integrated into the compartment.
  • This embodiment requires a special drive for the swivel lever, which alternately inserts the leno thread into the compartment
  • the invention has for its object to provide a device for forming a leno edge of the type described above, which manages without a pivot lever and without a special drive for the leno thread guided by the pivot lever
  • a thread guide device is arranged on the other heald frame, which is guided by the frame, the thread guide device having an oblique slot with an end retaining lug for guiding the leno thread.
  • This device works with two threads, namely a warp thread and a leno thread.
  • the advantage of this device is that it creates an inexpensive but durable bond.
  • This device is used in particular on both sides of the fabric to form an edge on a weaving machine.
  • the slant slot is arranged in the thread guide device in such a way that the sticking nose is inward, i.e.
  • the advantage of this arrangement lies in the fact that, due to the internal tension of the fabric, which tends to contract the fabric, the respective leno thread surely runs into the retaining lug.
  • the oblique slots in the thread guide device can be arranged in mirror image to one another.
  • the deflecting surfaces of the warp thread holders are also arranged in mirror image to one another
  • This embodiment is used in particular when the fabric web produced on a loom is to be cut in the longitudinal direction after completion; each fabric panel then has a leno edge in the cut edge area, which prevents the fabric from dissolving.
  • the thread guide device has an opening for guiding the third warp thread, the other two warp threads running through the openings in the warp thread holder.
  • the opening for guiding the third warp thread in the thread guiding device is arranged in the region of the upper end of the inclined slot in the thread guiding device, so that this warp thread is slightly above or at the same height as the leno thread at this point, the opening is preferably between the two two warp thread holders (needles).
  • the oblique slot extends in the horizontal direction somewhat over the outer distance of the needles.
  • the design of the individual devices is such that the warp thread holder (s) are designed as needles or needles, each with an opening for guiding the warp thread, the needle assigned to the holding nose having a deflection surface at the end, which has the task has to remove the thread in the hat nose after the reverse movement of the heald frames.
  • the oblique slot assigned to the respective warp thread holder slightly exceeds the thickness of the respective warp thread holder (needle) in terms of its horizontal extent.
  • 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 tension of the leno thread before it runs into the holding nose is somewhat reduced, so that in any case, the entry of the leno thread into the retaining nose is guaranteed.
  • the or the warp thread (needle) are rotated by a certain angle, preferably by an angle of 30 °, about their longitudinal axis, so that the openings are inclined to the lifting plane of the thread guide device.
  • the advantage of this embodiment is that it is on the respective leno thread when lifting through the.
  • the transverse movement of the leno thread comes about for the purpose of tying off the binding formed by the warp thread or the warp threads and the weft thread through the oblique slot, which moves the leno thread transversely to the direction of stroke of the heald frames.
  • 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 3 4 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 34 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 guide device which is denoted overall by 37, is arranged.
  • This thread guide 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 retaining lug 14 at the end in this oblique slot 31, the leno thread 3 1 a.
  • the oblique slot 3 1 exceeds with respect to its horizontal extent 31 b the thickness of the warp thread holder 34; 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 inserted into the opening 33 is first guided downward, deflected there and then pulled upward through the opening 21.
  • this weft thread is not yet tied off at first.
  • the leno thread makes a movement along the outer surface 3 4 a of the needle 34 until it has reached the end of the needle 34 at 35, in which case it then transversely moves into the now newly formed compartment can perform, since it is already in the retaining lug 14 (see FIG. 1 dash-dotted position of the thread guide device 37).
  • the leno thread 31 has therefore only tied the warp thread to the weft thread after the second shed formation.
  • 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) are arranged in the form of two needles 4 and 5. 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 are approximately U-shaped in cross section.
  • a thread guide device which is designated overall by 7 , arranged Through the same frame rails 9 and 10, this thread guide device 7 is guided in the manner of a backdrop, connecting means 7a to the heald frame 2 being provided.
  • the thread guide device 7 has an oblique slot 13, which has an adhesive nose 14 at the end in this oblique slot 13, the leno thread 13a.
  • 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 1 5a lies between the warp thread holders or the needles 4 and 5, that is to say centrally to 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. However, it is listed here again for a better overview
  • 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 initially.
  • 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 always 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 warp thread type 2 4 in the form of a needle with an opening 26 for the warp thread 27 is assigned the oblique slot 23 for the leno thread 29; the slant 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.
  • the warp thread holder 43 or 44 which is in the form of a needle, is each assigned an oblique slot 38 or 39 for the leno thread 32a or 32.
  • the warp thread holders 43 or 44 each have an opening 45 or 45a through which the Warp thread 46 or 46a is guided.
  • Both warp thread hooks (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 area of contact of the leno thread below the opening for the warp thread, so that the cross-section 47 is reduced.This reduces the tension of the leno thread somewhat, so that the leno thread enters the holding lug 14 in any case is.
  • 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)
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 true EP0174533A2 (fr) 1986-03-19
EP0174533A3 EP0174533A3 (en) 1986-07-30
EP0174533B1 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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4000395A1 (de) * 1990-01-09 1991-07-11 Kloecker Entwicklungs Gmbh Vorrichtung zum bilden einer dreherkante
DE102005051666A1 (de) * 2005-10-28 2007-05-03 Bayerische Motoren Werke Ag Faserverbundstruktur

Families Citing this family (4)

* 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
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.

Citations (4)

* 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
DE1535662A1 (de) * 1963-10-14 1969-08-28 Walter Scheffel Vorrichtung fuer Schnittkanten-Abbindung an Geweben durch Dreherabbindung
DE2916838A1 (de) * 1979-04-26 1980-11-06 Heinz Kloecker Vorrichtung zum bilden einer mit einer bindung versehenen gewebekante, insbesondere bei schuetzenlosen webmaschinen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3256913A (en) * 1963-09-23 1966-06-21 Dewas Raymond Crossing formation on fabrics
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
US4478256A (en) * 1983-01-14 1984-10-23 Gebr. Klocker (Klocker Bros.) Apparatus for producing a selvage provided with a crossweave

Patent Citations (4)

* 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
DE1535662A1 (de) * 1963-10-14 1969-08-28 Walter Scheffel Vorrichtung fuer Schnittkanten-Abbindung an Geweben durch Dreherabbindung
DE2916838A1 (de) * 1979-04-26 1980-11-06 Heinz Kloecker Vorrichtung zum bilden einer mit einer bindung versehenen gewebekante, insbesondere bei schuetzenlosen webmaschinen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4000395A1 (de) * 1990-01-09 1991-07-11 Kloecker Entwicklungs Gmbh Vorrichtung zum bilden einer dreherkante
EP0436909A1 (fr) * 1990-01-09 1991-07-17 Klöcker-Entwicklungs-GmbH Dispositif d'exécution d'une lisière à pas de gaze
DE102005051666A1 (de) * 2005-10-28 2007-05-03 Bayerische Motoren Werke Ag Faserverbundstruktur

Also Published As

Publication number Publication date
ES8700703A1 (es) 1986-10-16
ES546411A0 (es) 1986-10-16
EP0174533B1 (fr) 1988-11-02
US4671327A (en) 1987-06-09
DE3442204A1 (de) 1986-03-06
EP0174533A3 (en) 1986-07-30
DE3566003D1 (en) 1988-12-08

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