EP0450120A1 - Procédé et dispositif de gaze pour la réalisation des fausses lisières d'un tissu double sur métier à doubles grittes - Google Patents

Procédé et dispositif de gaze pour la réalisation des fausses lisières d'un tissu double sur métier à doubles grittes Download PDF

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Publication number
EP0450120A1
EP0450120A1 EP90106428A EP90106428A EP0450120A1 EP 0450120 A1 EP0450120 A1 EP 0450120A1 EP 90106428 A EP90106428 A EP 90106428A EP 90106428 A EP90106428 A EP 90106428A EP 0450120 A1 EP0450120 A1 EP 0450120A1
Authority
EP
European Patent Office
Prior art keywords
compartment
leno
needle
double
thread
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.)
Ceased
Application number
EP90106428A
Other languages
German (de)
English (en)
Inventor
Johnny Debaes
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.)
N.V. MICHEL VAN DE WIELE
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP90106428A priority Critical patent/EP0450120A1/fr
Priority to KR1019900017699A priority patent/KR910018607A/ko
Priority to DE4102585A priority patent/DE4102585A1/de
Priority to US07/664,636 priority patent/US5123454A/en
Priority to JP3070538A priority patent/JPH05311535A/ja
Publication of EP0450120A1 publication Critical patent/EP0450120A1/fr
Ceased legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D5/00—Selvedges
    • 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
    • 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

  • Double fabrics made on double rapier weaving machines only have the same weaving structure with double weft insertion as a double fabric made on a single rapier weaving machine (one pile knot per weft) when working with opposing warp threads.
  • this opposite weaving requires twice the number of warp threads and accordingly a jacquard machine with double capacity. To avoid this, i.e. In order to be able to work with a simple number of warp threads, one can alternately omit every second weft on the double rapier weaving machine in the upper and lower compartment.
  • the object of the invention is to provide a method of the type mentioned at the outset which enables the production of ripple-proof edges in a double fabric with alternate weft insertion.
  • the first subject setting for the upper subject occurs synchronously with the first subject setting for the lower subject.
  • This enables the preparation of the page change in the second subject setting for both subjects. Because of this preparation, the leno thread is crossed suddenly over the respective upright thread at the beginning of the second shed setting, so that the crossover immediately runs in the direction of the finished fabric and is pushed further from the upright thread towards the finished fabric in the subsequent transition to the first shed setting .
  • the compartment is completely open in the first compartment setting, the next weft passes reliably between the leno thread and the upright thread, the crossover being arranged between the finished fabric and the weft thread. The subsequent reed stop results in a reliable binding of the crossover.
  • the edge would not be designed to be sufficiently corrugated, since due to the inevitable phase shift between the two partial fabrics, that for both Subjects simultaneously moving the positioning device to change sides in one of the compartments leads to an immediate change of sides and only prepares the change of sides in the other after a subsequent change of subject.
  • the needle carrier and the oblique slit plate each perform a stroke movement with a stroke length that slightly exceeds half the specialist stroke. Since therefore only a stroke movement with a stroke length corresponding to approximately half the specialist stroke is to be carried out, the mechanical stress on the leno device is correspondingly reduced even at high weaving speeds (increased service life) or the working speed of the leno device used can be increased accordingly.
  • step b Sufficient preparation time with simple control of the positioning device is ensured in that step b is carried out between the entry of the two successive alternate shots in the first compartment setting. Step b therefore takes place approximately in the middle of the hiring time of the first subject setting; the frequency with which step b is to be carried out corresponds to half the frequency of the subject change (change between the first subject setting and the second subject setting).
  • the needle carrier of the upper compartment and the oblique slit plate of the lower compartment be attached to the first base support second base support of the needle holder of the lower compartment and the slant slot plate of the upper compartment are attached, and that the two base holders hold the needle holder and the slant slot plates in a staggered manner in such a way that the needles of the needle holder are each arranged on the side of the inclined slot plate assigned to these needles assigned to the finished fabric.
  • the method according to the invention is preferably carried out with this lathe device, even if it seems possible to carry out the method by means of two independent lathe devices for each subject.
  • one of the two base carriers is provided with a crank to hold its needle carrier on one side of the other base carrier and its oblique slit plate on the other side of the other Basic carrier.
  • the base supports can each be moved by a pivot lever system, preferably a parallelogram linkage.
  • the basic structure of the lathe device 10 corresponds in a number of construction points to the lathe device known from EP-B1-0 152 956.
  • a total of three basic supports are provided, a first basic support 12, a second basic support 14 and a third basic support 16, each of which can be moved in the vertical direction along a circular arc with the aid of a pivot lever system assigned to each basic support 12, 14, 16.
  • the pivot lever systems each consist of a parallelogram linkage.
  • the parallelogram linkage 18 assigned to the base support 12 is formed by two parallelogram bars 20. With their right ends in FIG. 1, these rods 20 are pivotally mounted on a support 22 with pivot axes 24 and 26 lying approximately vertically one above the other.
  • the parallelogram linkage 30 connecting the carrier 22 to the second base carrier 14 is formed by two parallelogram rods 32. Both are in turn articulated on the carrier 22, namely rotatably in turn about the pivot axes 24 and 26. With their other ends, the parallelogram rods 32 are articulated on the second base carrier 14.
  • the parallelogram linkage 34 assigned to the third basic carrier 16 consists of two Parallelogram rods 36 with articulation on the carrier 22 which can be rotated about the axes 24 and 26 and articulated connection to the third base carrier 16.
  • the rotary joints of the parallelogram rods 20, 32 and 36 with the pivot axes 24 and 26 are provided by two horizontally projecting from the carrier 22, parallel pivot bearing bolts 38, 40 are formed, onto which the corresponding ends of the parallelogram rods 20, 32 and 36, which are designed as circular disks, are pushed directly one after the other.
  • the swivel joints formed by the left ends of the parallelogram bars 20, 32 and 36 with the respective base supports 12, 14 and 16 with the pivot axes 28 (on the first base support 12), 42 (with the second base support 14) and 44 (with the third base support 16) can be formed in that the corresponding end of the parallelogram bar 20, 32 and 36 surrounds the respective base support 12, 14 and 16 in a fork-like manner with the bearing bolt 46 passing through the fork.
  • the carrier 22 can be displaced on a weaving machine frame (not shown) in the direction of the double arrow A (i.e. parallel to the pivot axes 24 and 26, 28, 42 and 44) for adjustment to the respective fabric width of the double fabric to be woven.
  • An adjusting pin 48 protruding rearward from the carrier 22 serves this purpose.
  • cam disks 52, 54 and 56 which are non-rotatably attached to a drive shaft 50.
  • these cams 52, 54, 56 are selectively displaceable in the direction of the axis of the drive shaft 50 parallel to the double arrow A.
  • Each cam disk 52, 54, 56 is assigned a scanning double arm 58, 60, 62 with a common weaving frame-fixed bearing shaft 64 (also with the possibility of adjustment in the direction of the bearing shaft 64 parallel to the double arrow A).
  • the scanning double-arm levers are each provided with a scanning wheel 66, 68, 70, which rolls on the circumference of the respectively assigned cam plate 52 or 54 or 56 with pressure against this circumferential surface due to spring preloading by means of screw Tension spring. 1 shows two of these tension springs 72, 74, each of which engages on a projection 76 or 78 protruding from the scanning double arm 60 or 62 in the region of the bearing shaft 64.
  • the right ends of the scanning double arms 58, 60, 62 in FIG. 1 are each via a length-adjustable connecting lever 80, 82 and 84 with a rearward extension 86, 88 and 90 of the respective lower parallelogram arm 20 or 32 or 36 of the parallelogram linkage 18 , 30 and 34 articulated.
  • the connecting lever 84 is provided at its lower end with a receiving part 92 into which a rod part 94 can be inserted and fixed in the desired length position by means of adjusting screws 96.
  • a needle carrier 118 with vertically downwardly projecting needles 120 is attached to the upper end of the first base carrier 12 and an oblique slot plate 110 with oblique slots 112 is attached to the lower end. As shown in FIG. 2, the needles 120 serve to form the upper compartment 108 and the oblique slots 112 of the Forming the lower compartment 106. The needles 120 lie essentially vertically above the oblique slots 112.
  • an oblique slot plate 102 with oblique slots 104 assigned to the upper compartment 108 is attached to the second base support 14 in the region of its upper end, specifically on the side of the needles 120 facing away from the finished fabric (to the left in FIG. 1 from a reed stop line 114).
  • the second base support 14 is provided with a crank 116 at its lower end for holding a needle carrier 98 with needles 100 in front of the oblique slots 112.
  • a cross-slot plate 122 with a cross slot 124 parallel to the double arrow A is attached to the third base support 16 as a positioning device. Accordingly, a cross slot plate 126 with a cross slot 128 is also provided at the lower end of the third base support 16 .
  • this arrangement simultaneously adjusts the compartment opening in the upper compartment 108 and in the lower compartment 106.
  • the lower compartment boundary of the upper compartment 108 is formed by upright threads 130 which, coming from the right in FIG. 2, are guided through a guide opening 132 in the needle carrier 118, then run along the respective needle 120 up to a needle hole 134 at the free needle end, and then after passage to run through this hole 134 substantially horizontally towards the finished fabric 136.
  • the upper compartment boundary is formed by leno threads 138, which are first passed through the transverse slot 124 and then through the oblique slots 104, in order then to run obliquely downward in FIG. 2 to the finished fabric 136.
  • first compartment setting With the upper compartment 108 opened in this way according to FIG. 2 (hereinafter referred to as "first compartment setting"), a weft thread can be inserted, for example, with the aid of a hook bar 140 indicated in FIG. 2.
  • the opened lower compartment 106 is delimited by upright threads 142, which run through a guide opening 144 in the lower needle carrier 98 and then through an associated needle hole 146 at the free needle end, in order then to run essentially horizontally to the finished fabric 136.
  • the lower compartment boundary is defined by leno threads 148 which first pass through the cross section 128, then the oblique slots 112, in order then to run obliquely upwards in FIG. 2 towards the finished fabric 136.
  • a gripper bar 150 (or a pair of gripper bars (not shown) with master gripper and slave gripper) serves in turn to insert the weft into the lower compartment 106.
  • ripple-proof edges of a double fabric produced with the help of the lathe device 10 have the same weave structure without a phase shift by, for example, a weft, but with mirror symmetry about a mirror plane parallel to the fabric plane (corresponding to that in FIG. 3 with a dash dot)
  • the third basic carrier 16 relative to the currently unchanged position first and second base beams 12 and 14 is displaced to move the leno threads 138 and 148 from one oblique slot end to the opposite oblique slot end within the oblique slots 104 and 112, respectively.
  • the actual change of sides with respect to the upright threads 130, 142 cannot take place at the moment, since the leno threads 138, 148 still run between the needles 100 and 120, respectively. Accordingly, the leno threads 138, 148 will apply the respective needle 100, 120 laterally under a thread tension corresponding to the pretension.
  • a double fabric 154 with alternating weft insertion into the upper compartment 108 or lower compartment 106 can be easily produced with a corrugated edge 168, 170 in the upper fabric 156 and lower fabric 158. 3 are therefore produced in order to obtain a double fabric 154 with a fabric structure which corresponds to the fabric produced on a single-rapier weaving machine, ie with a tuft for each Shot. If both wefts were introduced simultaneously into the upper compartment 108 and the lower compartment 106 of the double rapier weaving machine, the warp threads would have to be guided in opposite directions (opposite warp thread 160 in FIG. 3 shown in broken lines in comparison to the normal warp thread 162).
  • the shots 164 indicated by the dashed outline are alternately omitted in the upper compartment 108 and the lower compartment 106. Accordingly, only the shots 166 indicated by a solid line are alternately entered in upper compartment 108 and lower compartment 106.
  • FIG. 4 shows a corrugated edge 168 of the upper fabric produced according to the invention 156 indicated and a corrugated edge 170 of the lower fabric 158.
  • FIG. 5 shows a control diagram for controlling the needle carrier 118, oblique slit plate 102 and transverse slit plate 122, for example the upper compartment 108, with details of the respective weft insertion (solid outline for the inserted wefts 166a).
  • this circuit diagram basically corresponds to the circuit diagram for the lower fabric 158 but with phase-shifted weft insertion (dashed outline of the wefts 166b in the sub-compartment 106).
  • a line 172 in FIG. 5 indicates the current position of the leno threads 138 (oblique slit plate 102) and accordingly a line 174 the current position of the upright threads 130 (pinholes 134).
  • the second compartment setting is at 90 ° and 270 ° (see also Fig. 1).
  • the leno threads 138 have been moved downwards by a little more than half of the shed stroke a and accordingly the upright threads 130 have been moved upwards by a little more than half the shed stroke a. Accordingly, the needle carrier 118 or the oblique slot plate 102 only carry out a movement stroke slightly exceeding half the specialist stroke.
  • a line 176 indicates the movement of the positioning device (cross-sectional plate 122). It can be seen that the position change of the positioning device is carried out at 180 °. The change of position is therefore in the middle of the opening time in the first compartment setting.
  • the position change frequency of the positioning device corresponds to half the subject change frequency.
  • the center of the weft insertion angle in the upper compartment 108 is 135 ° and 315 °, based on one revolution of the drive shaft for the turning device. In the lower compartment 106, however, the center of the weft insertion angle is 45 ° and 225 °, i.e. after changing the position of the positioning device.
  • the drive shaft for the lathe device rotates in a ratio of 1: 4 to the main shaft of the weaving machine.
  • the upper abscissa indicates the phase of the drive shaft of the lathe and the lower abscissa the phase of the main shaft of the weaving machine.
  • the page change is completed prepares this measure so that it occurs abruptly as the leno threads 138 pass the needles 120.
  • the leno weave indicated in FIG. 4 is obtained in the upper fabric 156 and in the lower fabric 158.
  • the weft 164 omitted in accordance with FIG. 3 is again indicated in FIG. 4 with a dashed outline.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Woven Fabrics (AREA)
EP90106428A 1990-04-04 1990-04-04 Procédé et dispositif de gaze pour la réalisation des fausses lisières d'un tissu double sur métier à doubles grittes Ceased EP0450120A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP90106428A EP0450120A1 (fr) 1990-04-04 1990-04-04 Procédé et dispositif de gaze pour la réalisation des fausses lisières d'un tissu double sur métier à doubles grittes
KR1019900017699A KR910018607A (ko) 1990-04-04 1990-11-01 2중-셔틀-홀더직기에서 2중 제직물의 리플-퍼엄변을 제조하는 방법 및 그 크로싱 장치
DE4102585A DE4102585A1 (de) 1990-04-04 1991-01-29 Verfahren und drehereinrichtung zur herstellung riffelfester kanten eines doppelgewebes auf einer doppelgreifer-webmaschine
US07/664,636 US5123454A (en) 1990-04-04 1991-03-04 Crossing device for the production of non-fraying edges of a double woven fabric on a double-rapier loom
JP3070538A JPH05311535A (ja) 1990-04-04 1991-03-11 二重シャットルホルダ織機にて二重織生地の堅固な織り止め端を編成する方法及びその交差装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP90106428A EP0450120A1 (fr) 1990-04-04 1990-04-04 Procédé et dispositif de gaze pour la réalisation des fausses lisières d'un tissu double sur métier à doubles grittes

Publications (1)

Publication Number Publication Date
EP0450120A1 true EP0450120A1 (fr) 1991-10-09

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ID=8203855

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90106428A Ceased EP0450120A1 (fr) 1990-04-04 1990-04-04 Procédé et dispositif de gaze pour la réalisation des fausses lisières d'un tissu double sur métier à doubles grittes

Country Status (5)

Country Link
US (1) US5123454A (fr)
EP (1) EP0450120A1 (fr)
JP (1) JPH05311535A (fr)
KR (1) KR910018607A (fr)
DE (1) DE4102585A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5261464A (en) * 1991-09-24 1993-11-16 Tecnotessile Centro Ricerche S.R.L. Open eyelet heddle system for shedding warp threads
US5419375A (en) * 1993-02-11 1995-05-30 Nuovopignone - Industrie Meccaniche E Fonderia S.P.A. Independently driven selvedge forming leno weaving device
WO1998007913A1 (fr) * 1996-08-16 1998-02-26 Vyzkumny Ústav Textilních Stroju Dispositif de commande de fils de trame destines a la production de tissus pour gaze sur une machine textile
EP1101850A1 (fr) * 1999-11-16 2001-05-23 Sulzer Textil AG Dispositif de formation d'une armure de gaze
US6382262B1 (en) 1999-11-16 2002-05-07 Sulzer Textil Ag Apparatus for forming a leno weave

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1009375A6 (nl) * 1995-05-29 1997-02-04 Picanol Nv Kanteninrichting voor weefmachines.
BE1010014A3 (nl) * 1996-02-09 1997-11-04 Picanol Nv Kanteninrichting voor een weefmachine.
US6510871B2 (en) 2001-03-05 2003-01-28 Sulzer Textil Ag Apparatus for the manufacture of leno fabrics
EP1239067A1 (fr) * 2001-03-05 2002-09-11 Sulzer Textil Ag Dispositif pour la fabrication de tissus de gaze
US20050260380A1 (en) * 2004-05-20 2005-11-24 Moon Richard C Tuftable carpet backings and carpets with enhanced tuft holding properties
EP1838910B1 (fr) * 2004-12-31 2009-10-21 Lindauer Dornier Gesellschaft MbH Tissu gaze et procede et metier mecanique pour sa production
US20070178790A1 (en) * 2006-01-31 2007-08-02 Propex Fabrics Inc. Secondary carpet backing and buckling resistant carpet made therefrom
BE1017094A3 (nl) * 2006-04-05 2008-02-05 Wiele Michel Van De Nv Werkwijze voor het weven van poolweefsels met variabele poolhoogte.
EP3060707B1 (fr) * 2013-10-24 2019-10-02 Vandewiele NV Tête de lance donneuse, lance donneuse, machine à tisser à lances et procédé permettant d'insérer un fil de trame dans ladite machine à tisser à lances en utilisant ladite tête de lance donneuse
JP7518035B2 (ja) * 2021-05-10 2024-07-17 津田駒工業株式会社 織機の耳糸開口装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2442914A1 (de) * 1974-03-01 1975-09-04 Vandewiele Fond Atel Vorrichtung zur herstellung falscher webraender auf einer seite eines doppelgewebes auf einem doppelwebstuhl ohne schiffchen
DE3318715A1 (de) * 1983-05-21 1984-11-22 Willi 4060 Viersen Caspers Kantentwister-volldreher
EP0152956A2 (fr) * 1984-02-21 1985-08-28 N.V. Michel Van de Wiele Dispositif pour machines à tisser permettant de former des torsades dans un tissu et machine à tisser ainsi équipée

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1411838A (fr) * 1964-08-03 1965-09-24 Fatex Perfectionnements aux dispositifs pour la réalisation de lisières, notamment sur les métiers à tisser sans navette
US3369570A (en) * 1966-12-19 1968-02-20 West Point Pepperell Inc Leno selvedge device
US4635686A (en) * 1984-10-24 1987-01-13 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Method for treating a weft yarn in a shuttleless loom and device for effecting the same
EP0214322B1 (fr) * 1985-09-02 1989-12-20 GebràœDer Sulzer Aktiengesellschaft Dispositif pour la formation du pas de gaze dans les métiers à tisser

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2442914A1 (de) * 1974-03-01 1975-09-04 Vandewiele Fond Atel Vorrichtung zur herstellung falscher webraender auf einer seite eines doppelgewebes auf einem doppelwebstuhl ohne schiffchen
DE3318715A1 (de) * 1983-05-21 1984-11-22 Willi 4060 Viersen Caspers Kantentwister-volldreher
EP0152956A2 (fr) * 1984-02-21 1985-08-28 N.V. Michel Van de Wiele Dispositif pour machines à tisser permettant de former des torsades dans un tissu et machine à tisser ainsi équipée

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5261464A (en) * 1991-09-24 1993-11-16 Tecnotessile Centro Ricerche S.R.L. Open eyelet heddle system for shedding warp threads
US5419375A (en) * 1993-02-11 1995-05-30 Nuovopignone - Industrie Meccaniche E Fonderia S.P.A. Independently driven selvedge forming leno weaving device
BE1008087A3 (fr) * 1993-02-11 1996-01-16 Nuovo Pignone Spa Ameliorations de metier a tisser.
CN1035119C (zh) * 1993-02-11 1997-06-11 尤沃彼基奥尼工业机械股份公司 改进的织机
WO1998007913A1 (fr) * 1996-08-16 1998-02-26 Vyzkumny Ústav Textilních Stroju Dispositif de commande de fils de trame destines a la production de tissus pour gaze sur une machine textile
CN1071814C (zh) * 1996-08-16 2001-09-26 维兹库尼乌斯塔夫纺织施特罗尤利贝雷茨公司 一种用于在织机上织造纱罗织物控制经纱的装置
EP1172470A2 (fr) * 1996-08-16 2002-01-16 BP Corporation North America Inc. Dispositif de commande de fils de trame destinés à la production de tissus pour gaze sur une machine textile
EP1172470A3 (fr) * 1996-08-16 2004-09-15 BP Corporation North America Inc. Dispositif de commande de fils de trame destinés à la production de tissus pour gaze sur une machine textile
EP1101850A1 (fr) * 1999-11-16 2001-05-23 Sulzer Textil AG Dispositif de formation d'une armure de gaze
US6382262B1 (en) 1999-11-16 2002-05-07 Sulzer Textil Ag Apparatus for forming a leno weave

Also Published As

Publication number Publication date
DE4102585A1 (de) 1991-10-10
JPH05311535A (ja) 1993-11-22
US5123454A (en) 1992-06-23
KR910018607A (ko) 1991-11-30

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