EP0229084B1 - Verfahren und vorrichtung zum entfernen von fehlerhaften schussfäden in webmaschinen - Google Patents

Verfahren und vorrichtung zum entfernen von fehlerhaften schussfäden in webmaschinen Download PDF

Info

Publication number
EP0229084B1
EP0229084B1 EP86903168A EP86903168A EP0229084B1 EP 0229084 B1 EP0229084 B1 EP 0229084B1 EP 86903168 A EP86903168 A EP 86903168A EP 86903168 A EP86903168 A EP 86903168A EP 0229084 B1 EP0229084 B1 EP 0229084B1
Authority
EP
European Patent Office
Prior art keywords
weft thread
reed
thread
faulty
active means
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
EP86903168A
Other languages
English (en)
French (fr)
Other versions
EP0229084A1 (de
Inventor
Bruno Grange
Jean-Luc Dussart
Richard David
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.)
Picanol NV
Original Assignee
Picanol NV
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 Picanol NV filed Critical Picanol NV
Publication of EP0229084A1 publication Critical patent/EP0229084A1/de
Application granted granted Critical
Publication of EP0229084B1 publication Critical patent/EP0229084B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D51/00—Driving, starting, or stopping arrangements; Automatic stop motions
    • D03D51/06—Driving, starting, or stopping arrangements; Automatic stop motions using particular methods of stopping
    • D03D51/08—Driving, starting, or stopping arrangements; Automatic stop motions using particular methods of stopping stopping at definite point in weaving cycle, or moving to such point after stopping
    • D03D51/085—Extraction of defective weft

Definitions

  • the present invention relates to the automatic extraction of the crowd of defective weft threads during weaving on a non-shuttle weaving loom, in particular on an air jet loom. More especially still, the invention relates to the release of a defective weft thread in order to facilitate its extraction.
  • This type of loom usually includes detectors making it possible to control whether the weft thread which has been inserted into the shed is or is not defective and controlling the stopping of the loom in the event that said thread is defective. It is most often a pick folded back on itself.
  • the extraction of the defective weft thread is carried out by the weaver who, with the crowd open, releases the defective weft thread which has been struck by the comb and cut on the side of its insertion and extracts it manually.
  • Various devices have been proposed recently for automatically carrying out this extraction. These devices include an organ which is external to the tissue being formed and which acts only when the detectors have signaled a fault.
  • the member in question is placed on the insertion side of the loom, has in the event of a fault an alternative movement in the direction of the frame through the crowd and can move in its course activates the faulty wire.
  • the defective weft thread is stressed by the device only after threshing, that is to say after tightening of the weft thread.
  • EP-A-100 939 the organ in question is placed on the front of the loom and above the fabric being formed; in the event of a defect, it descends and is introduced between the defective thread and the fabric in order to release said defective thread. However, the introduction of said member is also carried out after threshing of the defective weft thread.
  • the invention therefore relates to a method of the type where there is introduced between the last weft thread inserted and the weft thread which has just been inserted, an active means capable of completely freeing a defective thread in order to be able to remove it when using actual extraction means, characterized in that the active means is introduced between the two said yarns before threshing the weft yarn which has just been introduced, at least in the case of defective weft yarn.
  • the weft thread which has just been introduced into the crowd is checked before threshing and, in the event of a defective thread, said active means is introduced between the last weft thread inserted and the weft thread which has just 'to be introduced, the active means is moved towards the comb to release the defective wire and the wire is extracted using extraction means.
  • the weft thread release member is perfectly positioned and ready to act at each insertion cycle, whether or not the weft thread is defective. If the weft thread is not defective, the release member withdraws from the fabric; on the other hand if the weft thread which has just been introduced is defective, the release member comes into action, without having to search for the location of the defective thread or to find its position relative to the fabric.
  • the defective yarn is extracted by suction using suction means placed on the insertion side of the weft yarn.
  • the active means comprises needles which penetrate into the fabric being formed when it is driven in the vertical movement and which push the defective weft thread towards the comb when it is driven in the horizontal movement.
  • the needles of the active means are distributed over the entire width of the loom, in sufficient number so that the defective thread is necessarily released from the interior of the crowd, whatever the origin of the defect, for example a needle every seven centimeters.
  • the vertical reciprocating movement of the active means is obtained in synchronism with the operation of the comb thanks to a cam system mounted on the axis of rotation of the comb.
  • the active means comprises needles, a needle support which can slide vertically and horizontally in a housing, fixed on the frame of the loom, which comprises a compression spring intended to keep the needle support in contact with the surface of the 'tilting member on which it is supported, and a tilting member intended to follow the cam path mounted on the axis of rotation of the comb during the movement of said comb.
  • the path of the cam is such that, before threshing or striking the comb, the tilting member rocks and the needle holder is in the low position, and in all other positions of the comb the tilting member is in the normal position and the needle holder is in the high position.
  • the extraction means may advantageously consist of one or more suction nozzles, placed on the side where the insertion of the weft thread has been carried out. Indeed, the defective wire having been previously released from the interior of the crowd thanks to the active means, a simple suction proves to be sufficient to extract the wire.
  • the extraction device also comprises loom control means intended to move the comb backwards, before the active means performs its horizontal reciprocating movement, depending on the reverse operation of the loom.
  • the device in order to avoid any risk of a defect detrimental to the tissue in the event that, for one reason or another, the defective yarn is not extracted from the crowd despite the proper functioning of the device, it comprises at the extraction means, a wire presence sensor which has the function of keeping the loom stopped in the case where the defective wire has not been extracted by said extraction means.
  • the device of the invention is mounted on a weaving loom 1 with an air jet, comprising a comb 2 which moves in a known manner in an arc of a circle around an axis 3 of rotation and which strikes the crowd. being open, the weft thread 4 being inserted against the other weft threads 5 already inserted in the fabric 6 in formation.
  • the active means 7 e.g., the needles, aligned parallel to the striking line of the comb 2, and driven by a double alternating movement, vertical and horizontal.
  • the comb 2 At the end of a weft insertion cycle, in the absence of a defect, the comb 2 is in the withdrawal position (FIG. 1) and the needle 7 is in the withdrawn position. A new weft thread 4 is projected (FIG. 2) into the open crowd, along the comb, for example in a cavity 9 provided for this purpose.
  • the comb 2 begins its striking movement and approaches the fabric 6 by driving the weft thread 4 ( Figure 3).
  • the weft thread detectors placed on the loom 1 check whether the thread 4 is correctly positioned or has a fault.
  • the comb 2 moves away from the fabric 6 towards its withdrawal position after having struck said wire 4, the warp threads 8 cross and we then find our in the end position of cycle illustrated in FIG. 1.
  • the thread 4 has a defect, for example if the detector does not register the presence of the thread 4 throughout the width of the fabric 6, the needle 7 is introduced, before threshing the wire 4, between the latter and the wire 5a, the comb 2 strikes the fabric and moves away from the fabric 6 towards its withdrawal position, the warp threads uncross then the needle 7 moves horizontally ( Figure 5) and pushes the defective wire 4 towards the comb 2.
  • the extraction means for example a suction nozzle then starts and extracts the wire 4 from inside the crowd (Figure 6), during that the needle 7 first moves horizontally in the opposite direction and returns to the position of FIG. 4, then vertically to return to its starting position as shown in Figure 1.
  • Figures 7 to 15 show a variant of the process according to which the needle is automatically introduced into the tissue during each insertion cycle.
  • the comb 2 is in the withdrawal position (FIG. 7), and the needle 7 is in the high position, located between the last two wires.
  • a new weft thread 4 is projected (fig. 8) into the open crowd, along the comb into a cavity 9 provided for this purpose.
  • the comb 2 begins its striking movement and approaches the fabric 6 by driving the weft yarn 4 (Figure 9); during this movement, the needle 7 moves vertically from the high position to the low position where it is located below the level of the fabric 6, the fabric 6 receding continuously, the needle 7 passes under the weft thread 5a .
  • the comb 2 reaches the striking line (FIG. 10)
  • the needle 7 has moved vertically from the low position to the high position and is precisely between the last weft thread 5a inserted during the previous cycle and the weft thread 4 which has just been inserted.
  • the weft thread detectors placed on the loom 1 check whether the thread 4 is correctly positioned or has a fault. In the case where the thread 4 is correctly positioned (FIG.
  • the comb 2 moves away from the fabric 6 towards its withdrawal position, the warp threads 8 cross and we then find our in the end of cycle illustrated position. in FIG. 7.
  • the wire 4 has a defect
  • the comb 2 moves away from the fabric 6 towards its withdrawal position but in reverse of the loom (figure 12)
  • the needle 7 moves horizontally (figure 13) and pushes the defective thread 4 towards the comb 2.
  • the suction nozzle is then put in walk and extract the wire 4 from inside the crowd ( Figure 14), while the needle 7 moves horizontally in the opposite direction and returns to the high position it had previously.
  • a new weft thread 4 is projected by air jet into the crowd (FIG. 15), is driven by the comb 2 in its striking movement, and the cycle resumes from the step illustrated in FIG. 10.
  • the needles 7 are fixed at regular intervals, of seven centimeters, all along the needle support 10 which extends transversely over the entire width of the loom.
  • the needle holder 10 is movable in a housing 11 both vertically and horizontally, while the housing 11 is fixed to the frame 12 of the loom 1.
  • the vertical movement of the needle holder 10 is ensured by the rod 13 and the spring 14: the spring 14 tends to push down the rod 13, the end of which consists of a roller 15 which takes pressure on the upper part of the tilting member 16.
  • the stem 13 follows its movement and, under the action of the spring 14, descends, driving the needles 7 in the low position.
  • the tilting member 16 consists of an upper guide piece 17, having a U-shaped profile, in which the roller 15 can move during the horizontal translation of the needle holder 10.
  • This upper piece 17 whose guide surface is horizontal can tilt around the horizontal axis 18 which is fixed at its ends to the frame of the loom 1.
  • One of the ends 17a of the piece 17 rests on a compression spring 19 secured to the frame of the loom 1; the other end 17b comprises, under the lower surface, a retractable system 20, the lower part of which ends in a roller 21.
  • the rolling roller 21 is supported on a cam 22 fixed on the axis 3 of rotation of the comb 2.
  • the retractable system 20 is designed to ensure the following operation. During the rotary movement of the axis 3, in the direction of the arrow S (FIG.
  • the retractable system 20 comprises two parts 23 and 24.
  • the part 23 is fixed to the lower part of the end 17b of the part 17.
  • the part 24 is integral with the part 23 thanks to a horizontal axis of rotation 25; it has at its lower part the roller 21.
  • the axis of rotation 25 is eccentric so that the part 24 is supported on the part 23 and cannot pivot around the axis 25 when the movement of the roller is in the direction of the arrow S (FIG. 17) along the profile of the cam 22.
  • the part 24 does not bear on the part 23 and pivots around the axis 25, which corresponds to the retractable position of the system 20.
  • the horizontal movement of the needle holder 10 is ensured by means of a jack (not shown) which horizontally displaces the needle holder 10 in its housing 11 by a distance which corresponds to the displacement necessary to push the defective thread 4 towards the comb 2 (FIG. 13 ).
  • the actuator is actuated as soon as the comb 2 has reached its withdrawal position (FIG. 12), after a defective weft thread 4 has been detected, then the actuator returns to its initial position, causing the needles 7 to return to the high and rear position (figure 14).
  • the extraction means consist of one or more suction nozzles 26, fixedly mounted on the loom 1. Preferably in the case of a single nozzle 26 and an air jet loom, it is placed near the compressed air injection nozzle which projects the wire through the crowd and mounted at the level of the first needle 7.
  • the extraction means are controlled to enter into action when, a defective wire 4 having been detected, the needles 7 have pushed said wire 4 towards the comb 2 thanks to the action of the horizontal displacement cylinder of the needle holder 10.
  • the vertical movement of the needles could be based on a system of jacks whose control and stroke will depend on the comb movement. It is also up to the person skilled in the art, depending on the type of trade and the space available for mounting the device of the invention, to select the optimal solution. In particular the distance of seven centimeters between two needles is preferable for most air jet looms, since it corresponds to the usual spacing between the air injection nozzles along the loom.
  • the shape of the cam 22 and its profile are a function of the distance between the axis of rotation of the comb 2 and the needles 7, and of the angle of rotation during the striking and withdrawal movements of the comb 2; Figure 17 attached does not respect the exact proportions, but allows to visualize the different organs used.
  • the needles must be flexible enough to possibly deform during the advance of the fabric, they will be very fine so as not to mark the finished fabric.
  • the method and the device of the invention are not limited to the air jet loom alone, but apply generally to all the so-called loom-free looms.

Landscapes

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

Claims (13)

1. Ein Verfahren zum Entfernen fehlerhafter Schußfäden in einer schützenlosen Webmaschine, wobei zwischen dem zuletzt eingetragenen Schußfaden (5a) und dem soeben eingetragenen Schußfaden (4) ein aktives Mittel (7) eingeführt wird, dasin der Lage ist, diesen fehlerhaften Schußfaden freizulegen, um ihn dann mit den eigentlichen Extraktionsmitteln zu entfernen, gekennzeichnet dadurch, daß das aktive Mittel (7), mindestens im Fall eines fehlerhaften Schußfadens, zwischen den beiden erwähnten Fäden (5a, 4) vor dem Anschlag des soeben eingeführten Schußfadens eingeführt wird.
2. Das Verfahren gemäß Anspruch 1, gekennzeichnet dadurch, daß man vor dem Anschlag den soeben ins Fach eingetragenen Schußfaden (4) kontrolliert und daß, im Fall eines fehlerhaften Schußfadens, bei gestoppter Webmaschine und zurückgezogenem Webeblatt (2), das aktive Mittel zum Webeblatt (2) geführt wird, um den erwähnten Faden (4) freizulegen, und man dann diesen Faden (4) mit Hilfe von Extraktionsmitteln (26) entfernt, anschließend einen neuen Schußfaden (4') einführt und dann zur oben erwähnten Kontrollstufe zurückkehrt.
3. Das Verfahren gemäß Anspruch 1, gekennzeichnet dadurch, daß für jeden Einführungszyklus nacheinander folgende Schritte ausgeführt werden:
a) man führt zwischen dem zuletzt eingetragenen Schußfaden (5a) und dem im Lauf eingetragenen Schußfaden (4) ein aktives Mittel ein,
b) man kontrolliert den soeben in das Fach eingetragenen Schußfaden (4) und
c) wenn dieser Faden (4) nicht fehlerhaft ist, zieht man das aktive Mittel (7) aus dem Gewebe (6) zurük und beginnt einen neuen Zyklus, oder c', wenn dieser Faden (4) fehlerhaft ist, führt man, bei gestoppter Webmaschine und zurückgezogenem Webeblatt (2), das aktive Mittel (7) zum Webeblatt (2), um den erwähnten Faden (4) freizulegen, und man zieht diesen Faden (4) mit Hilfe von Extraktionsmitteln (26) heraus und kehrt dann zu Schritt 2 b oben zurück.
4. Das Verfahren gemäß Anspruch 1, gekennzeichnet dadurch, daß man den fehlerhaften Schußfaden (4) durch Absaugen entfernt.
5. Das Verfahren gemäß einem der Ansprüche 2 oder 3, gekennzeichnet dadurch, daß, nach Entdeckung eines fehlerhaften Schußfadens (4), das Webeblatt (2) im Rückwärtslauf der Webmaschine in zurückgezogene Stellung versetzt wird.
6. Eine Vorrichtung, die das Verfahren gemäß Anspruch 1 anwendet, gekennzeichnet dadurch, daß das aktive Mittel eine Reihe von Nadeln (7) aufweist, die parallel zur Anschlaglinie des Webeblattes (2) sind.
7. Die Vorrichtung gemäß Anspruch 6, ausgelegt für eine Luftdüsenwebmaschine, gekennzeichnet dadurch, daß die Nadeln (7) in regelmäßigen Abständen von sieben Zentimetern angebracht sind.
8. Der Vorrichtung zum Entfernen fehlerhafter Schußfäden in schützenlosen Webmaschinen, ausgestattet mit Schußfadenwächtern und Mitteln zum Stoppen der Webmaschine, wenn ein fehlerhafter Shußfaden entdeckt wird, gekennzeichnet dadurch, daß sie aus folgenden Elementen besteht:
einem aktiven Mittel (7), angetrieben mit einer doppelten, alternativen Bewegung, die eine senkrecht, falls kein Fehler am Schußfaden (4) gefunden wird, zwischen einer oberen Position, wo sich das erwähnte Mittel (7) zwischen dem zuletzt eingetragenen Schußfaden (5a) und dem im Lauf eingetragenen Schußfaden (4) befindet und einer unteren Position, wo sich das erwähnte Mittel (7) unter dem Gewebe (6) befindet, und die andere waagrecht, im Fall eines Fehlers des Schußfadens (4), zwischen einer hinteren Position, die der vorgenannten oberen Position entspricht und einer vorderen Position, wo sich das aktive Mittel (7) zum Webeblatt (2) hinbewegt,
Extraktionsmitteln (26) zum Herausziehen des gerissenen Schußfadens (4).
9. Die Vorrichtung gemäß Anspruch 8, gekennzeichnet dadurch, daß das aktive Mittel (7) senkrecht synchron zur Funktion des Webeblattes (2) angetrieben wird, dank eines Nockensystems, das auf der Drehachse (3) des Webeblattes (2) befestigt ist.
10. Die Vorrichtung gemäß Anspruch 9, gekennzeichnet dadurch, daß sich das aktive Mittel (7) zusammensetzt aus Nadeln (7), einem Nadelträger (10), der senkrecht und waagrecht in einem Lager (11) gleiten kann, das auf der Weblade (1) angebracht ist, die eine Druckfeder (14) aufweist, die dazu dient, den Nadelträger (10) in Kontakt mit der Oberfläche des Kippelementes (16), auf der er sich aufstützt, zu halten, und einem Kippelement (16), das dazu dient, die Kurvenbahn (22), die auf der Drehachse (3) des Webeblattes (2) angebracht ist, während der Bewegung des erwähnten Webeblattes (2) den verfolgen.
11. Die Vorrichtung gemäß Anspruch 10, gekennzeichnet dadurch, daß die Kurvenbahn (22) zwei kreisförmige Partien (22a und 22c) und eine zugespitzte Partie (22b) aufweist und daß das Kippelement (16) ein zurückziehbares System (20) aufweist, das sich beim Passieren der Spitze (22b) in der Kurvenbahn (22) zurückzieht, wenn die Drehachse (3) des Webeblattes (2) in Anschlagrichtung des Webeblattes (2) verläuft.
12. Die Vorrichtung gemäß Anspruch 8, gekennzeichnet dadurch, daß sie Maschienenbedienungsmittel aufweist, um das Webeblatt (2) entsprechend der Funktion Rückwärtslauf der Maschine nach hinten zu versetzen, sobald ein fehlerhafter Schußfaden (4) entdeckt wird und bevor das aktive Mittel (7) seine alternative horizontale Bewegung ausführt.
13. Die Vorrichtung gemäß Anspruch 8, gekennzeichnet dadurch, daß die Extraktionsmittel aus einer oder mehreren Absaugdüsen bestehen.
EP86903168A 1985-06-14 1986-06-13 Verfahren und vorrichtung zum entfernen von fehlerhaften schussfäden in webmaschinen Expired - Lifetime EP0229084B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8509098 1985-06-14
FR8509098A FR2583435B1 (fr) 1985-06-14 1985-06-14 Procede et dispositif d'extraction de fils de trame defectueux d'un metier a tisser sans navette

Publications (2)

Publication Number Publication Date
EP0229084A1 EP0229084A1 (de) 1987-07-22
EP0229084B1 true EP0229084B1 (de) 1990-04-25

Family

ID=9320278

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86903168A Expired - Lifetime EP0229084B1 (de) 1985-06-14 1986-06-13 Verfahren und vorrichtung zum entfernen von fehlerhaften schussfäden in webmaschinen

Country Status (5)

Country Link
US (1) US4962793A (de)
EP (1) EP0229084B1 (de)
DE (1) DE3670656D1 (de)
FR (1) FR2583435B1 (de)
WO (1) WO1986007394A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1000505A4 (nl) * 1987-04-28 1989-01-03 Picanol Nv Werkwijze voor het uit het weefsel vrijmaken van een foutieve inslagdraad bij weefmachines en inrichting die zulke werkwijze toepast.
FR2618804B1 (fr) * 1987-07-31 1991-09-20 Dinaire Gilles Procede et dispositif d'extraction automatique de trames defectueuses sur machine a tisser sans navette
BE1000904A4 (nl) * 1987-09-04 1989-05-09 Picanol Nv Werkwijze voor het losmaken van foutieve inslagdraden bij weefmachines en inrichting die deze werkwijze toepast.
FR2631980B1 (fr) * 1988-05-25 1990-08-24 Saurer Diederichs Sa Dispositif pour l'extraction d'un fil de trame defectueux, sur une machine a tisser
FR2642478B1 (fr) * 1989-02-02 1991-04-12 Semt Pielstick Dispositif de commande d'une pompe d'injection de combustible
WO1996038616A1 (de) * 1995-06-02 1996-12-05 SULZER RüTI AG Entfernung eines schussfadens bei einer reihenfachwebmaschine
JP3361241B2 (ja) * 1996-10-29 2003-01-07 津田駒工業株式会社 織機の再起動制御方法
EP1951941B1 (de) * 2005-11-21 2013-10-16 Picanol Verfahren zum einführen eines schussfadens in eine luftwebmaschine sowie luftwebmaschine
DE602007010441D1 (de) * 2007-06-22 2010-12-23 Promatech Spa Teilungsvorrichtung und Verfahren zur Entfernung eines fehlerhaften Schussfadens in einer Webmaschine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL146551B (nl) * 1971-06-10 1975-07-15 Strake Maschf Nv Besturingsinrichting voor het herstellen van weeffouten bij een weefmachine van het type, waarbij de inslag plaatsvindt met behulp van een stromend medium door een hoofdblaasmondstuk en een aantal tussen de weefvakeinden opgestelde hulpblaasmondstukken.
CH578070A5 (de) * 1973-10-20 1976-07-30 Dornier Gmbh Lindauer
IT1041658B (it) * 1975-08-07 1980-01-10 Galileo Off Congegno tastatrama a funzionamento fotoelettrico in specie adatto per telai ad acqua
US4502512A (en) * 1982-07-21 1985-03-05 Seisakusho Kabushiki Kaisha Toyoda Jidoshokki Method for treating a weft yarn upon stoppage of a shuttleless loom and device for effecting the same
NL8204665A (nl) * 1982-12-01 1984-07-02 Rueti Te Strake Bv Spoelloze weefmachine, voorzien van middelen voor het uit het weefvak verwijderen van defecte inslagdraden.

Also Published As

Publication number Publication date
WO1986007394A1 (fr) 1986-12-18
DE3670656D1 (de) 1990-05-31
FR2583435A1 (fr) 1986-12-19
EP0229084A1 (de) 1987-07-22
US4962793A (en) 1990-10-16
FR2583435B1 (fr) 1987-09-18

Similar Documents

Publication Publication Date Title
FR2527655A1 (fr) Metier a tisser sans navette comprenant un moyen pour retirer des fils defectueux de trame, de la foule
EP0229084B1 (de) Verfahren und vorrichtung zum entfernen von fehlerhaften schussfäden in webmaschinen
FR2541253A1 (fr) Dispositif de separation et de liberation, en particulier pour des gobelets
FR2490253A1 (fr) Pince de propulsion de trame
FR2497240A1 (fr) Dispositif a buse mobile pour insertion pneumatique de la trame sur une machine a tisser sans navette
EP1923495B1 (de) Verfahren zur Verarbeitung eines Schussfadenseintragsfehlers in einer Webmachine
BE898537A (fr) Procédé et dispositif pour la formation d'une lisière duitée, particulièrement pour des métiers à tisser du tissu éponge.
EP0344076B1 (de) Vorrichtung zum Entfernen eines Schussfehlers in einer Webmaschine
BE1023294B1 (fr) Procede pour retirer un fil de trame qui a ete incorrectement entrecroise dans un metier a tisser du type a jet d'air
FR2535351A1 (fr) Dispositif equipant un metier a tisser sans navette, pour former une lisiere sur un tissu
FR2526053A1 (fr) Dispositif de reception et de controle de la trame, pour machine a tisser sans navette a insertion de trame pneumatique
EP0446150B1 (de) Vorrichtung zum automatischen Entweben an Webmaschinen mit mechanischem Schusseintrag
EP0119121B1 (de) Verfahren und Vorrichtung zum Verhüten von Gewebefehlern infolge Webmaschinenstillstand
EP0486416B1 (de) Sicherheitsvorrichtung für eine Vorspinnmaschine, die mit einer automatischen Abnehmervorrichtung versehen ist
BE1004930A3 (fr) Mecanisme perfectionne de selection du mouvement des elements mobiles d'un dispositif de formation de lisieres repliees convenant particulierement pour metiers a tisser les tissus eponges.
CH307597A (fr) Procédé de tissage et métier rectiligne pour sa mise en oeuvre.
FR2477587A1 (fr) Dispositif pour l'insertion d'un fil de trame dans la foule d'un metier a tisser
CH334277A (fr) Métier à tisser rectiligne continu
FR2618804A1 (fr) Procede et dispositif d'extraction automatique de trames defectueuses sur machine a tisser sans navette
BE553615A (de)
BE422167A (de)
BE1012999A3 (fr) Dispositifs de retenue de trame pour metiers a tisser du type a jets de fluide.
KR860001417B1 (ko) 젯트직기의 정지시의 위사처리방법
BE558822A (de)
BE528654A (de)

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): BE CH DE FR GB IT LI NL

17P Request for examination filed

Effective date: 19870813

17Q First examination report despatched

Effective date: 19890315

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

ITF It: translation for a ep patent filed
AK Designated contracting states

Kind code of ref document: B1

Designated state(s): BE CH DE FR GB IT LI NL

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19900522

Year of fee payment: 5

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 19900525

Year of fee payment: 5

Ref country code: BE

Payment date: 19900525

Year of fee payment: 5

REF Corresponds to:

Ref document number: 3670656

Country of ref document: DE

Date of ref document: 19900531

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19900612

Year of fee payment: 5

ITTA It: last paid annual fee
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 19900630

Year of fee payment: 5

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19900830

Year of fee payment: 5

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19910613

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Effective date: 19910630

Ref country code: CH

Effective date: 19910630

Ref country code: BE

Effective date: 19910630

BERE Be: lapsed

Owner name: PICANOL N.V.

Effective date: 19910630

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Effective date: 19920101

GBPC Gb: european patent ceased through non-payment of renewal fee
NLV4 Nl: lapsed or anulled due to non-payment of the annual fee
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Effective date: 19920228

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19920401

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20050613