EP0131170B1 - Procédé et dispositif de filature par fausse-torsion - Google Patents

Procédé et dispositif de filature par fausse-torsion Download PDF

Info

Publication number
EP0131170B1
EP0131170B1 EP84106801A EP84106801A EP0131170B1 EP 0131170 B1 EP0131170 B1 EP 0131170B1 EP 84106801 A EP84106801 A EP 84106801A EP 84106801 A EP84106801 A EP 84106801A EP 0131170 B1 EP0131170 B1 EP 0131170B1
Authority
EP
European Patent Office
Prior art keywords
suction
yarn core
false twist
width
fibre
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
EP84106801A
Other languages
German (de)
English (en)
Other versions
EP0131170A1 (fr
Inventor
Herbert Stalder
Emil Briner
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.)
Maschinenfabrik Rieter AG
Original Assignee
Maschinenfabrik Rieter AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4260172&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0131170(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Priority to AT84106801T priority Critical patent/ATE36357T1/de
Publication of EP0131170A1 publication Critical patent/EP0131170A1/fr
Application granted granted Critical
Publication of EP0131170B1 publication Critical patent/EP0131170B1/fr
Expired legal-status Critical Current

Links

Images

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/11—Spinning by false-twisting
    • D01H1/115—Spinning by false-twisting using pneumatic means
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/11—Spinning by false-twisting

Definitions

  • the invention relates to a method for false twist spinning with the method steps that a sliver is drawn in a drafting system to a desired yarn number, the spread sliver in the converging space of the output roller pair being limited to a width by suitable means that the sliver in such a Width is output from the pair of output rollers that only a portion of the original width of the drawn fiber sliver is gripped by the spinning triangle and turned to an incorrectly twisted yarn core, and that the edge fibers resulting from the difference in width to the smaller width of the spinning triangle are sucked into a tapered suction channel and at the latest at the narrowest point of the intake duct, d. H.
  • the problems of the yarns produced by means of the false twist spinning process with regard to the further processing into the finished fabric lie essentially in the uniformity, strength and elongation.
  • non-measurable, recurring weak points even with the highest measured strength of the yarn, are major disadvantages in the slip and weaving processes, or neps also reduce the value of the finished fabric in the case of yarns which are problem-free for the subsequent processing processes.
  • a method and a device according to the preamble of the first method and the first device claim are known from CR-A-615 467.
  • a delivered sliver 2 is calibrated in a drafting device 1 by a hopper 5 or 6 provided in front of a pair of input rollers 3 and in front of an intermediate roller 4 and guided by a pair of straps 8 directed by the intermediate roller pair 4 against an output roller pair 7 (the roller pairs are indicated by dashed lines).
  • a further funnel 9 is provided for collecting the edge fibers F or to avoid as far as possible that these edge fibers are lost.
  • the sliver 2 is released from the pair of straps 8 (only the lower strap is shown) with a width BA and fed to the clamping line K formed by the pair of output rollers 7.
  • the sliver experiences a spread due to the circumferential air of the rotating pair of output rollers which is conveyed into this space and escapes in the axial direction, which is limited to a width BB by the funnel 9.
  • the difference in the width BB to the smaller width BC of the spinning triangle gives rise to the edge fibers F mentioned, which are sucked into an intake duct 10 and at the latest at the narrowest point of the intake duct, i.e. in front of the throttle point 11 are largely caught by the rotating incorrectly rotated yarn core 12.
  • the rotation of the yarn core 12 is caused by the pneumatic false twist element 13 connected downstream of the throttle point 11.
  • the main disadvantage of this method is insufficient yarn uniformity with regard to mass uniformity, weak points and nits.
  • the strength of the yarn is also much lower than that of normal ring spun yarns.
  • This insufficient uniformity is essentially due to the fact that the fiber spreading mentioned is random and uncontrolled, and that the edge fibers mentioned are wound around the yarn core without pretensioning.
  • the object is achieved in that the edge fibers not covered by the spinning triangle are sucked in and guided by means of the intake air flow in such a way that the front end of a fiber with a length corresponding to the average length of the processed fibers is seen from the rotating yarn core, as seen in the direction of conveyance of the yarn core is detected when the rear end of the fiber is still clamped in the nip line of the pair of output rollers, and that the rear end of the fiber leaves the nip line only when the fiber has been caught by the spinning triangle, whereby the rear end of the fiber is bound in the yarn core .
  • a device for carrying out this method is characterized in that one of the two aprons protrudes further into the converging space than the other apron and both aprons are guided so close to the corresponding roller of the output rollers that the distances between the aprons and the corresponding rollers are almost zero.
  • the distance between the clamping line of the pair of output rollers and the narrowest point of the intake duct is 60 to 75% and preferably 68 to 72% of the average fiber length.
  • the invention achieves a more uniform yarn with high strength.
  • a sliver 102 is drawn to a finished yarn size in a preliminary drafting field between an input roller pair 103 and an intermediate roller pair 104 and in a main drafting field between the intermediate roller pair 104 and an output roller pair 105 and shown in a false twist spinning unit 106 (shown in section ) turned into a yarn 107.
  • the drafting system further comprises a condenser 108 in front of the input roller pair 103 as a first sliver guiding element, a condenser 109 in front of the intermediate roller pair 104 as a second sliver guiding element and a pair of straps 110 consisting of an upper apron 111 and a lower apron 112 as an additional sliver guiding element.
  • the guides of the roller pairs and straps are known per se and are not the subject of the invention.
  • the condenser 108 serves the primary and the condenser 109 the secondary guidance of the sliver 102.
  • the clear width of these condensers is such that the sliver has a width B1 of 10 19 mm between the straps, preferably 14 for a yarn titer of approx. 15 tex - 15 mm.
  • this width B1 essentially unchanged up to the clamping line K generated by the exit rollers 105, as a first measure one of the two straps of the strap pair 110 is brought further into the converging space 113 of the exit rollers 105 than the other strap, for example the lower strap 112 .
  • This measure results in a deflection of the fiber sliver at the deflection point 114 of the apron 112 out of the plane (not shown) in which the clamping line K and the clamping line given by the intermediate rollers 104 (not shown) are contained.
  • This deflection pushed into the converging space 113 also results in an additional fiber guidance on a surface piece of the upper roller 105A of the output rollers 105 characterized by the angle ⁇ (FIG. 2).
  • the straps 111 and 112 are guided so close to the corresponding roller of the output rollers 105 that the distances M, respectively. N, are approximately zero, so that the air flow resulting from the rotating output rollers 105 is practically prevented from flowing into the converging space 113
  • the false twist spinning unit 106 connected downstream of the pair of output rollers essentially comprises an intake duct 115, a throttle point 116 known from Swiss Patent Specification No. 615 467 and a pneumatic false twist element 117 with at least one air inflow duct 118.
  • This rotation creates a spinning triangle delimited by the clamping line K with a width B2 (shown in FIGS. 3 and 6) given by the intensity of the rotation, which should be substantially smaller than the previously mentioned fiber bandwidth 81, ie the width B1 becomes at Resulting width B2 selected depending on the processed average fiber length and spun yarn titer such that there is a sufficient number of edge fibers F for the winding around the yarn core 119.
  • this edge fiber causes the yarn core 119 to be wound in the same direction of rotation, ie at S-twist of the yarn core 119, also S-twist of the wrapping fiber, but with a much larger pitch with the angle y.
  • the angle becomes somewhat larger towards the spinning triangle and can correspond to the angle ⁇ shortly before the spinning triangle.
  • This larger incline is caused by walking the winding at a higher speed than the advance of the yarn core in the direction opposite to the yarn advance, i.e. towards the spinning triangle, and ensures that, provided that the rear fiber end is still gripped by the clamping line K, this end is screwed into the spinning triangle, so that this is subsequently the rear fiber end released by the clamping line K remains contained in the yarn core of the finished yarn.
  • the slope is so much steeper than the speed of the mentioned hiking is great.
  • the distance D between the narrowest point of the intake duct 115 and the clamping line K must be smaller than the length of the edge fiber F. A too early twisting of the said front fiber end can result in the wrapping length of the edge fiber shorten that the wrapping strength given by the adhesive length of the wrapping fiber is not sufficient to give the finished yarn sufficient tensile strength.
  • the spinning triangle is repeatedly and variably divided into smaller spinning triangles with the different width b2 (FIG. 6a), so that the edge fibers F not only have to occur in the edge parts of the width B1, but edge fibers F. of the whole width B1 are distributed outside and between the small spinning triangles.
  • the division into small spinning triangles has the advantage that these edge fibers, as shown in FIG. 6a, can be distributed over the width B1, which results in a statistically uniform occurrence of these edge fibers F.
  • the optimal distance D should correspond to approximately 70% of the average spun fiber length, but should not be less than 60% of this average fiber length.
  • the usable range for the distance D is 60-75% of the average spun fiber length.
  • the finished yarn which is passed on from a pair of take-off rolls (not shown) provided after the false twist unit to a spool unit (not shown), consists of an essentially untwisted yarn core 120 (FIG. 9), which is held together by surrounding fibers F, now called winding fibers F1 becomes.
  • the slope A A (FIG. 9) of these wrapping fibers F1 essentially corresponds to the slope difference A (FIG. 7), which results from the difference between the slope ( ⁇ ) of the yarn core 119 and the slope (y) of the edge fibers F.
  • the winding direction of the wrapping fibers F1 is opposite to that of the edge fibers F, i.e. if the edge fibers in front of the swirl organ had an S direction, the wrapping fibers had a z direction.
  • the wound fibers have a position over part of their length and for a short moment, which is parallel to the longitudinal axis of the yarn core, until they increasingly take on the opposite direction of twist as the untwisting continues.
  • width B which can be selected, for example, by the action of the condensers 108, 109, also provides a sufficient and secure number of edge fibers F which are essentially constant over time can be provided for the winding.
  • FIG. 4 shows a variant of the false twist unit 106 in that a suction part 123 is provided between the suction channel 115A and the throttle point 116.
  • This suction part consists of a short space 124 connecting the suction channel 115A and the throttle point 116 and a space between them suction bore 125 connecting to the surroundings of the false twist unit.
  • a suction system (not shown) is connected to this suction bore, with which an additional amount of air is sucked in through suction channel 115A in addition to the false twist element.
  • This additional amount of air serves to increase the air speed in the intake duct, so that the spiral path in which the front ends of the edge fibers F are conveyed has a greater gradient.
  • This greater incline, respectively higher suction speed rather ensures that the front fiber ends mentioned are better aligned and are not detected too early, but as close as possible to the narrowest point of the suction duct 115A mentioned.
  • This suction also reduces possible edge fiber loss between the pair of output rollers 105 and the inlet of the intake duct.
  • FIG. 5 shows, with the intake duct 115B, an additional variant of the intake duct in this latter endeavor of the fiber end guide.
  • This suction channel 115B is designed in a bell-shaped manner in such a way that the tendency that the fiber ends mentioned are caught too early by the rotating fiber core 119 can be additionally counteracted.
  • the front ends of the edge fibers F are fed to the suction duct 115C in the upper region E, and are guided in the central region M in such a way that they are as narrow as possible for as long as possible without being caught by the rotating fiber core 119 of the intake duct 115C and are guided in the lower region U into a position in which the ends of the edge fibers F are more likely to assume a position parallel to the yarn core. In this latter position, the ends of the edge fibers F can be better grasped by the fiber ends (not shown) projecting from the rotating yarn core than in a position perpendicular to the fiber core.
  • the intake duct is not limited to the shapes shown in Figs. 4-5a. Variations of this can be optimized through trials.
  • the suction bore 125 can open tangentially into the intermediate space 124 in such a way that the aforementioned rotation of the intake air is supported.
  • Diameter 0 values of less than 2.5 mm require higher negative pressures (higher output) for an equal air flow rate (liters / min.) And, depending on the value, result in such an increased air speed that free front fiber ends may not be able to rotate from the rotating yarn core , but are detected by the suction air, so that the corresponding edge fiber F is fed as an outlet to the suction system.
  • the influence of the bandwidth B1 on the yarn values shown with FIGS. 10 and 11 relates to the aforementioned stretch band of 3000 tex and to the yarn of 16 tex, spun with a false twist unit according to FIG. 4.
  • Rkm 10 shows the ordinate for the strength values in kilometers of travel (Rkm) and the abscissa for the bandwidth B1. It can be seen that the Rkm value begins to stabilize from a width of 14 mm B1.
  • a broad fiber distribution between the aprons also has the advantage of better fiber distribution in this drafting zone which carries out the main draft. This better fiber distribution results in a more even warping in this zone and a longer apron life.
  • the optimal bandwidth B1 must be determined on a case-by-case basis. For example, with the false twist spinning unit according to FIG. 4 it was found that an optimal width B1 for a yarn of 8 tex is between 10 and 12 mm and for a yarn of 30 tex between 15 and 19 mm.
  • a loop marked with the angle ⁇ (FIG. 2), supports one of the two output rollers by the fiber sliver to separate the edge fibers from the spinning triangle.
  • This wrapping can be achieved either by, as shown in FIG. 2, the false twist spinning unit 106 with the angle ⁇ deviating from an imaginary plane tangential to the clamping line K, or by the false twist spinning unit as shown in FIG 106 is arranged offset parallel to the plane mentioned.
  • the offset (Fig. 12) is measured in millimeters.
  • FIGS. 13a-d The abscissa of FIG. 13d also applies to FIGS. 13a-c and shows values for the distance D in percentages above and below the optimal distance of 70% of the average fiber length.
  • the ordinates of FIGS. 13a-d show the CV-Uster value, the number of nits per 1000 m with a setting level 3, the travel kilometers Rkm (CN / Tex) and the departure in percent. These values are internationally standardized measurement methods.
  • the diagrams show that as the distance decreases, the CV-Uster value, the number of nits and the drop in the area shown are reduced in an essentially linear function, while the travel kilometer value Rkm is reduced before and after the optimal distance D.
  • the false twist element does not need to be pneumatic, as shown in FIGS. 2-5a, but it is quite possible that following the intake duct 115A or. 115B, resp. 115C, a purely mechanical false twist device (not shown) is used.
  • a purely mechanical false twist device (not shown) is used.
  • the essential inventive concept of the relation of the width B1 to the length D can also be realized in the use of a purely mechanical false twist device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Artificial Filaments (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)

Claims (16)

1. Procédé de filature par fausse torsion, avec les phases de fabrication suivantes:
- un ruban de carde est étiré sur un banc d'étirage (101) jusqu'à un titre de fil souhaité, tandis que le ruban de carde élargi est limité par des moyens appropriés à une largeur (B1) dans la zone de convergence de la paire de cylindres de sortie (105);
- le ruban de carde est délivré par la paire de cylindres de sortie (105) avec une largeur telle qu'une partie seulement (B2 ou 1 b2) de la largeur initiale (B1) du ruban de carde étiré est saisie par le triangle de filature et est tordue pour donner un noyau de fil à fausse torsion (119); et
- les filaments périphériques (F) résultant de la différence de largeur (B1) par rapport à la largeur plus petite (B2 ou 1 b2) du triangle de filateur sont aspirés dans un canal d'aspiration (115 - 115C) se rétrécissant et sont saisis au plus tard à l'endroit le plus étroit du canal d'aspiration, c'est-à-dire avant la zone d'étranglement (116) d'une unité de filature par fausse torsion (106) contenant le canal d'aspiration (115 - 115C) et suivant le banc d'étirage (101) par le noyau de fil (119) à fausse torsion et en rotation, tandis que l'allongement du noyau de fil (119) est réalisé par l'organe de fausse torsion (117) pneumatique, disposé après la zone d'étranglement (116),
caractérisé en ce que les filaments périphériques (F) non saisis par le triangle de filature sont aspirés et sont guidés par le courant d'air d'aspiration, de façon à ce que les extrémités antérieures d'un filament vues en direction d'avancement (R) du noyau de fil (119) soient saisies sur une longueur correspondant à la longueur moyenne des fibres traitées par le noyau de fil en rotation (119) lorsque l'extrémité postérieure des filaments est encore serrée dans la ligne de serrage (K) de la paire de cylindres de sortie (105) et en ce que l'extrémité postérieure des filaments ne quittent la ligne de serrage qu'au moment où les filaments ont été saisis par le triangle de filature, si bien que l'extrémité postérieure des filaments est insérée dans le noyau de fil (119).
2. Procédé selon la revendication 1, caractérisé en ce que la largeur (B1) du ruban de carde étiré est supérieure de 10 à 30 % à la largeur (B2 ou E b2) du triangle de filature.
3. Procédé selon les revendications 1 et 2, caractérisé en ce que la largeur (B1) du ruban de carde étiré est réalisée grâce à un guidage de largeur approprié du ruban de carde avant la paire de cylindres d'entrée (103) et avant la paire de cylindres de sortie (105) et, de préférence, en ce que le ruban de carde est encore guidé en supplément sur une largeur appropriée avant la paire de cylindres intermédiaires (104).
4. Procédé selon les revendications 1 et 2, caractérisé en ce que le ruban de carde (102) est guidé directement dans l'espace de convergence (113) de la paire de cylindres de sortie (105).
5. Procédé selon les revendications 1 et 2, caractérisé en ce que la pénétration de l'air périphérique des cylindres de sortie en rotation dans la zone de convergence (110) est essentiellement empêchée.
6. Procédé selon la revendication 1, caractérisé en ce que l'extrémité antérieure des filaments périphériques est saisie par le noyau de fil en rotation lorsque le filament a quitté la ligne de serrage (K) à raison de 60 à 75 % et, de préférence, de 68 à 72 % de la longueur moyenne des filaments traités.
7. Procédé selon la revendication 1, caractérisé en ce que l'organe de fausse torsion est une tuyère de fausse torsion (117) et que le courant d'air d'aspiration est créé par cette tuyère de fausse torsion (117) et, éventuellement, en ce que le courant d'air d'aspiration créé par la tuyère de fausse torsion (117), est complémentairement créé par un élément d'aspiration (123) prévu entre la tuyère de fausse torsion et le canal (115) se rétrécissant.
8. Procédé selon la revendication 7, caractérisé en ce que le courant d'air d'aspiration est soumis a une rotation, si bien que les extrémités libres aspirées des filaments périphériques (F) sont mises en rotation autour du noyau de fil sur le trajet vers la zone où ils sont saisis par le noyau de fil en rotation (119) et sont soumis, par la force centrifuge qui en résulte, à une force tournée vers la paroi du canal d'aspiration, si bien que ces extrémités de fibres atteignent la zone précitée suivant un trajet conique en spirale autour du noyau de fil (119).
9. Procédé selon la revendication 8, caractérisé en ce que cette rotation de l'air d'aspiration est créée par le noyau de fil en rotation lui-même et que, facultativement, la rotation de l'air d'aspiration peut être créée en outre par un élément d'aspiration (123) disposé de manière appropriée.
10. Dispositif pour réaliser le procédé selon l'une des revendications 1 à 9 pour la filature par fausse torsion, avec un banc d'étirage (101) fournissant un ruban de carde étiré à un canal d'aspiration (115 - 115C) ainsi qu'avec un organe de fausse torsion (117) disposé après le canal d'aspiration rétréci
- dans lequel le banc d'étirage (101) présente des moyens, avant sa paire de cylindres de sortie (105) fournissant le ruban de carde au canal d'aspiration (115 - 115C), ces moyens guidant le ruban de carde dans le banc d'étirage de façon à ce que le ruban de carde étiré, fourni par la paire de cylindres de sortie (105) présente une largeur (B1) qui est supérieure à la largeur (B2 ou 1 b2) du triangle de filature du noyau de fil (119) tordu au moyen de l'organe de fausse torsion, et
- dans lequel le canal d'aspiration (115 - 115C) a une forme avec un rétrécissement tel que des extrémités antérieures de filaments guidés dans le courant d'air, fournies par la paire de cylindres de sortie (105), libres, pas insérées dans le noyau de fil (119) en rotation créé par l'organe de fausse torsion, sont guidées peu avant le point le plus étroit du canal d'aspiration par le courant d'air contre le noyau de fil en rotation (119), de façon à ce que ces filaments soient saisis par le noyau de fil en rotation tandis que les moyens précités sont une paire de lanières (111 ou 112),
caractérisé en ce que l'une des deux lanières (111, 112) pénètre plus loin dans la zone de convergence (113) que l'autre lanière, et que les deux lanières (111, 112) sont guidées de telle manière près du cylindre correspondant de sortie (105) que les distances (M ou N) entre les lanières et les cylindres correspondants sont approximativement nulles.
11. Dispositif selon la revendication 10, caractérisé en ce que la distance (D) entre la ligne de serrage (K) et le point le plus étroit du canal d'aspiration est égale à 60 - 75 %. et, de préférence, à 68 - 72% de la longueur moyenne des filaments.
12. Dispositif selon la revendication 10, caractérisé en ce que l'organe de fausse torsion (117) est conçu de façon à ce que le courant d'air d'aspiration soit créé par l'organe de fausse torsion.
13. Dispositif selon l'une des revendications 10 à 12, caractérisé en ce que le point le plus étroit du canal d'aspiration (115) est une zone d'étranglement (116) prévue entre le canal d'aspiration et l'organe de torsion (117).
14. Dispositif selon la revendication 13, caractérisé en ce qu'un élément d'aspiration (123) est prévu entre le canal d'aspiration (115A, 115B et 115C) et la zone d'étranglement (116), cet élément renforçant le courant d'air d'aspiration et, de préférence, en ce que l'endroit le plus étroit du canal d'aspiration (115A, 1158 et 115C) soit le diamètre de l'élément d'aspiration (123) qui y est raccordé.
15. Dispositif selon la revendication 14, caractérisé en ce que l'élément d'aspiration comprend un espace intermédiaire (124) avec un alésage d'aspiration (125), cet espace se raccordant au canal d'aspiration et, de préférence, en ce que l'alésage d'aspiration (125) débouche tangentiellement dans l'espace intermédiaire (124).
16. Dispositif selon la revendication 10, caractérisé en ce que le canal d'aspiration est un canal se rétrécissant de manière essentiellement régulière (115, 115A) ou un canal se rétrécissant essentiellement en forme de cloche (115B), ou bien un canal se rétrécissant essentiellement en forme de calice de fleur (115C).
EP84106801A 1983-07-01 1984-06-15 Procédé et dispositif de filature par fausse-torsion Expired EP0131170B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84106801T ATE36357T1 (de) 1983-07-01 1984-06-15 Verfahren und vorrichtung zum falschdrallspinnen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3633/83 1983-07-01
CH363383 1983-07-01

Publications (2)

Publication Number Publication Date
EP0131170A1 EP0131170A1 (fr) 1985-01-16
EP0131170B1 true EP0131170B1 (fr) 1988-08-10

Family

ID=4260172

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84106801A Expired EP0131170B1 (fr) 1983-07-01 1984-06-15 Procédé et dispositif de filature par fausse-torsion

Country Status (11)

Country Link
US (1) US4565063A (fr)
EP (1) EP0131170B1 (fr)
JP (1) JPH0621381B2 (fr)
AT (1) ATE36357T1 (fr)
AU (1) AU561785B2 (fr)
BR (1) BR8403246A (fr)
CS (1) CS498384A3 (fr)
DE (1) DE3473307D1 (fr)
ES (1) ES534148A0 (fr)
IE (1) IE55274B1 (fr)
IN (1) IN161355B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2475741C1 (ru) * 2011-11-02 2013-02-20 Государственное бюджетное образовательное учреждение высшего профессионального образования "Астраханская государственная медицинская академия" Министерства здравоохранения и социального развития Российской Федерации (ГБОУ ВПО АГМА Минздравсоцразвития России) СПОСОБ ПОДГОТОВКИ БИОЛОГИЧЕСКОГО МАТЕРИАЛА ДЛЯ ВЫДЕЛЕНИЯ ДНК Coxiella burnetii

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6215331A (ja) * 1985-06-27 1987-01-23 Murata Mach Ltd 空気式紡績機
DE3541219A1 (de) * 1985-11-21 1987-05-27 Schubert & Salzer Maschinen Verfahren und vorrichtung zum verspinnen von fasern
IN171021B (fr) * 1987-04-27 1992-07-04 Rieter Ag Maschf
US4823545A (en) * 1987-08-31 1989-04-25 Maschinenfabrik Rieter Ag Method of and apparatus for false-twist spinning
JPH01162829A (ja) * 1987-12-18 1989-06-27 Mas Fab Rieter Ag 空気ジェットノズル及び該ノズルの加撚部分で回転空気層を形成する方法
EP0361257A1 (fr) * 1988-09-29 1990-04-04 Maschinenfabrik Rieter Ag Rouleaux d'alimentation dans un train d'étirage
DE3935705C2 (de) * 1988-10-26 1996-02-29 Murata Machinery Ltd Verfahren zur Herstellung eines aus gesponnenen Fäden bestehenden Mehrfachfadens sowie Vorrichtung zur Durchführung des Verfahrens
CH676725A5 (fr) * 1988-11-07 1991-02-28 Rieter Ag Maschf
US5237810A (en) * 1989-09-01 1993-08-24 Maschinenfabrik Rieter Ag Method and apparatus for false twist spinning
EP0415295B1 (fr) * 1989-09-01 1995-04-19 Maschinenfabrik Rieter Ag Procédé de filage à fausse torsion et dispositif pour la mise en oeuvre de ce procédé
DE3939777A1 (de) * 1989-12-01 1991-06-06 Fritz Stahlecker Vorrichtung zum falschdrallspinnen
DK166797B1 (da) * 1990-05-21 1993-07-19 Milliken Denmark Vaskbar vand- og snavsbindende renholdelsesmaatte
CH685123A5 (de) * 1991-11-21 1995-03-31 Rieter Ag Maschf Streckwerk für eine Feinspinnmaschine, insbesondere Düsenspinnmaschine.
US6449938B1 (en) 2000-05-24 2002-09-17 Goulston Technologies, Inc. Advanced finish nozzle system
CH707076A1 (de) * 2012-10-12 2014-04-15 Rieter Ag Maschf Streckwerk mit Abschirmelementen.
EP3280835B1 (fr) * 2015-04-08 2021-01-06 Shaw Industries Group, Inc. Appareil et procédé de texturation de fil
JP6867699B2 (ja) * 2018-11-19 2021-05-12 株式会社近藤紡績所 編地製造方法、生地製造方法、及び縫製品製造方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3487619A (en) * 1966-09-02 1970-01-06 Du Pont Apparatus for high speed drafting
JPS5243256B2 (fr) * 1973-04-10 1977-10-29
US4003194A (en) * 1973-04-10 1977-01-18 Toray Industries, Inc. Method and apparatus for producing helically wrapped yarn
IT1030358B (it) * 1974-03-23 1979-03-30 Toray Industries Filato avvolto a spirale e apparecchiatura per la sua produzione
CH615467A5 (en) * 1977-05-17 1980-01-31 Toyo Boseki Process and apparatus for the purely mechanical production of a staple-fibre yarn consisting of natural or synthetic fibres
US4387487A (en) * 1979-10-16 1983-06-14 Murata Kikai Kabushiki Kaisha High draft apparatus in spinning machine
US4463549A (en) * 1981-06-30 1984-08-07 Toray Industries, Inc. Apparatus for making fasciated spun yarn
JPS588133A (ja) * 1981-07-08 1983-01-18 Toray Ind Inc 結束紡績糸の製造方法
JPS5860029A (ja) * 1981-10-07 1983-04-09 Toyoda Autom Loom Works Ltd 仮撚空気ノズル
JPS5932606Y2 (ja) * 1981-10-13 1984-09-12 村田機械株式会社 空気式紡績装置における空気ノズル先端部の空気の整流板

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2475741C1 (ru) * 2011-11-02 2013-02-20 Государственное бюджетное образовательное учреждение высшего профессионального образования "Астраханская государственная медицинская академия" Министерства здравоохранения и социального развития Российской Федерации (ГБОУ ВПО АГМА Минздравсоцразвития России) СПОСОБ ПОДГОТОВКИ БИОЛОГИЧЕСКОГО МАТЕРИАЛА ДЛЯ ВЫДЕЛЕНИЯ ДНК Coxiella burnetii

Also Published As

Publication number Publication date
ES8601343A1 (es) 1985-10-16
US4565063A (en) 1986-01-21
ES534148A0 (es) 1985-10-16
CS498384A3 (en) 1992-05-13
IE841469L (en) 1985-01-01
DE3473307D1 (en) 1988-09-15
EP0131170A1 (fr) 1985-01-16
IE55274B1 (en) 1990-07-18
JPH0621381B2 (ja) 1994-03-23
AU561785B2 (en) 1987-05-14
ATE36357T1 (de) 1988-08-15
BR8403246A (pt) 1985-06-11
AU2971984A (en) 1985-01-03
JPS6065123A (ja) 1985-04-13
IN161355B (fr) 1987-11-14

Similar Documents

Publication Publication Date Title
EP0131170B1 (fr) Procédé et dispositif de filature par fausse-torsion
DE2416880C3 (de) Vorrichtung zur Herstellung von spiralig umwickelten Garnen
WO1999051801A1 (fr) Procede et metier a filer destines a la production de fils a ame
DE2722319B2 (de) Vorrichtung zum pneumatischen Falschdrallspinnen
EP0057015B1 (fr) Procédé et dispositif pour la fabrication d'un fil d'effet
CH681022A5 (fr)
DE2909615A1 (de) Vorrichtung zum herstellen eines garnes
CH642403A5 (de) Spindelloses spinnverfahren und vorrichtung zur herstellung von garnen auf einer spinnmaschine.
DE3842120C2 (de) Verfahren und Vorrichtung zum Herstellen doublierter Fäden
EP1664404B1 (fr) Dispositif de production d'une meche par un procede de filage pneumatique et l'utilisation d'untel dispositif
DE3943600C2 (de) Verfahren und Vorrichtung zur Herstellung eines Mehrfachfadens sowie Mehrfachfaden
EP1560960B1 (fr) Procede et dispositif pour produire une meche
CH698406B1 (de) Luftspinnvorrichtung.
DE10236450A1 (de) Spinnmaschine mit einem Mehrstufen-Verdichtungs-Streckwerk
EP1664403B1 (fr) Ensemble banc d'etirage-banc a broches permettant de produire une meche par un procede de filage pneumatique
DE3926227C2 (fr)
EP0110150B1 (fr) Dispositif de filature à tuyère
DE4100448C2 (fr)
DE3700186C2 (de) Verfahren zum Herstellen eines Zwirns und Vorlagespule für ein Zwirnen
EP0947617A2 (fr) Méthode pour fabriquer un fil et métier à filer pour cela
DE3018551C2 (fr)
EP3842578A1 (fr) Dispositif et procédé de fabrication d'un fil à âme
DE4013689A1 (de) Verfahren und vorrichtung zum verspinnen von stapelfasern zu einem garn
DE4239310A1 (en) Airjet spinning frame reducing hairiness of yarn - applies false twist and friction to yarn by passing through two surfaces under pressure and forces protruding fibre ends into the yarn body
CH615467A5 (en) Process and apparatus for the purely mechanical production of a staple-fibre yarn consisting of natural or synthetic fibres

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

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

17P Request for examination filed

Effective date: 19850304

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

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

REF Corresponds to:

Ref document number: 36357

Country of ref document: AT

Date of ref document: 19880815

Kind code of ref document: T

REF Corresponds to:

Ref document number: 3473307

Country of ref document: DE

Date of ref document: 19880915

ITF It: translation for a ep patent filed

Owner name: GUZZI E RAVIZZA S.R.L.

ET Fr: translation filed
GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
PLBI Opposition filed

Free format text: ORIGINAL CODE: 0009260

PLBI Opposition filed

Free format text: ORIGINAL CODE: 0009260

26 Opposition filed

Opponent name: WILHELM STAHLECKER GMBH

Effective date: 19890425

26 Opposition filed

Opponent name: W. SCHLAFHORST & CO.

Effective date: 19890428

Opponent name: WILHELM STAHLECKER GMBH

Effective date: 19890425

NLR1 Nl: opposition has been filed with the epo

Opponent name: W. SCHLAFHORST & CO.

Opponent name: WILHELM STAHLECKER GMBH

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

Ref country code: FR

Payment date: 19910515

Year of fee payment: 8

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

Ref country code: GB

Payment date: 19910517

Year of fee payment: 8

Ref country code: BE

Payment date: 19910517

Year of fee payment: 8

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

Ref country code: AT

Payment date: 19910527

Year of fee payment: 8

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: 19910630

Year of fee payment: 8

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

Ref country code: GB

Effective date: 19920615

Ref country code: AT

Effective date: 19920615

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

Ref country code: BE

Effective date: 19920630

BERE Be: lapsed

Owner name: MASCHINENFABRIK RIETER A.G.

Effective date: 19920630

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

Ref country code: NL

Effective date: 19930101

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19920615

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: 19930226

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

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

Ref country code: CH

Payment date: 19950515

Year of fee payment: 12

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

Ref country code: DE

Payment date: 19950518

Year of fee payment: 12

RDAG Patent revoked

Free format text: ORIGINAL CODE: 0009271

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

Free format text: STATUS: PATENT REVOKED

27W Patent revoked

Effective date: 19950704

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

APAC Appeal dossier modified

Free format text: ORIGINAL CODE: EPIDOS NOAPO

APAC Appeal dossier modified

Free format text: ORIGINAL CODE: EPIDOS NOAPO

APAH Appeal reference modified

Free format text: ORIGINAL CODE: EPIDOSCREFNO