EP0561115B1 - Dispositif de fixation rapide pour les tubes de bobine - Google Patents

Dispositif de fixation rapide pour les tubes de bobine Download PDF

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Publication number
EP0561115B1
EP0561115B1 EP93100779A EP93100779A EP0561115B1 EP 0561115 B1 EP0561115 B1 EP 0561115B1 EP 93100779 A EP93100779 A EP 93100779A EP 93100779 A EP93100779 A EP 93100779A EP 0561115 B1 EP0561115 B1 EP 0561115B1
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EP
European Patent Office
Prior art keywords
clamping
mandrel
catch
bead
quick
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Expired - Lifetime
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EP93100779A
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German (de)
English (en)
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EP0561115A1 (fr
Inventor
Christian Ludwig
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Individual
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
    • B65H49/02—Methods or apparatus in which packages do not rotate
    • B65H49/04—Package-supporting devices
    • B65H49/06—Package-supporting devices for a single operative package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/40—Arrangements for rotating packages
    • B65H54/54—Arrangements for supporting cores or formers at winding stations; Securing cores or formers to driving members
    • B65H54/543—Securing cores or holders to supporting or driving members, e.g. collapsible mandrels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the invention relates to a quick release for thread tubes, the spool mandrel with an elastically deformable clamping bead, which can be pressed from a rest position into a functional position by attaching a tensioning element, in which it bulges frictionally against the inner wall of an attached thread tube and fixes it on the spool mandrel.
  • a quick release is known from DE-A-24 57 821.
  • the sleeve When winding or unwinding the yarn, the sleeve is seated on a rapidly rotating spool which is driven in rotation. As soon as the winding process is finished, the bobbin mandrel is stopped, the yarn tube is pulled off and exchanged for a new tube. During operation, the thread sleeve is fixed on the spool by the tensioning bead, when the thread sleeve is replaced, the tensioning bead releases the sleeve.
  • the tensioning bead is deformed by turning a rotating piece accessible at the free end of the spool.
  • the object of the invention is to make the actuation of the tensioning bead simpler, in particular in such a way that it can be done not only manually but also mechanically.
  • the invention solves this problem in that an actuating element is provided for attaching the tensioning element, which is arranged in the path of the front edge of a yarn tube to be inserted onto the spool, and in that a catch is provided for securing the tensioning element in its functional position.
  • the actuating element In order to distribute the load on the front edge of the yarn tube, it is advisable to design the actuating element as an actuating ring which is arranged coaxially with the axis of the spool.
  • a further development of the invention is characterized in that the catch in the functional position of the tensioning element is automatically designed to fall into its operative position and that an axially displaceable release element is provided for the catch, which is arranged so that it can be actuated on the free end face of the coil mandrel. This makes it possible to trigger the engagement of the catch only when the yarn tube has reached its final position in which it is to be fixed, but then suddenly.
  • the catch By actuation, namely simply depressing the release element, the catch can be released suddenly and the sleeve can be released.
  • the actuation of the release element accessible at the end face of the bobbin mandrel by simply pressing it axially can be easily accomplished manually or mechanically with the tools with which the yarn tube to be removed is removed from the bobbin mandrel.
  • the actuation ring Since the front edge of the spool rests on the actuation ring and this rests in its rest position under the resilience of the tensioning bead when the catch is released, the actuation ring provides a thrust for the yarn tube to be removed and thus supports the removal movement.
  • the tensioning bead is expediently a ring which is coaxial with the coil mandrel axis and which is embedded in the circumference of the coil mandrel and can be arched against the inherent elasticity and thereby comes out with its curvature from the circumference of the coil mandrel.
  • the elasticity of the tensioning bead is expediently arranged to act on the actuating element located in the rest position or in an intermediate position between the rest position and the functional division. Then it is ensured that the tensioning bead cannot assume any intermediate positions in which it is insufficiently arched for its function, but can only assume either the retracted rest position or the arched-out functional position secured by rest.
  • a structurally very simple solution is characterized in that the tensioning element is arranged at the free end of the coil mandrel and is axially displaceable against the restoring force of the tensioning bead and in that the tensioning element is coupled to the actuating element with two transverse bolts arranged radially opposite the mandrel axis and coaxially opposite one another and fastened to the actuating element is.
  • a preferred embodiment is characterized in that a spring is interposed between the actuating element and the tensioning element, which orientates the tensioning bead in a stressful manner and has a stronger force than the restoring force of the tensioning bead and a possibly provided support spring that supports it. This enables a greater stroke of the actuating element and the tensioning force acting on the tensioning bead can be metered.
  • a preferred development of the invention is characterized in that one or more for the clamping element Support elements (support rods or support tube) are provided, which extend axially parallel to the mandrel axis and are supported on the jacket of one or two radially and crossed to the mandrel axis from a locked position into a release position slider and lock the displacement of the clamping element against the tensioning bead in the locked position of the slide , however, not in the release position.
  • Support elements support rods or support tube
  • the actuating ring is then initially axially advanced through the attached yarn tube and the associated return spring is preloaded without the tensioning element shifting.
  • the bobbin therefore remains freely movable on the bobbin mandrel. Only when the feed ring or the slides have reached their release position in the course of execution, can the tensioning element, following the force of the return springs, bulge the tensioning bead and fix the coil and this happens suddenly, as is desirable for a perfect tensioning function.
  • the tensioning element is preferably attached to the tensioning bead in the direction of insertion of the yarn tube.
  • the center of the tensioning bead then shifts in the push-on direction when tensioning and the yarn tube is pushed or pushed a bit in the upright direction when tensioning the tensioning bead.
  • a preferred embodiment is characterized in that one or more inclined surface adjusters which are fastened to the actuating element and are displaceable parallel to the mandrel axis are moved with the actuating element are and with their inclined surfaces move the slider or slides against the force of a return spring from their supporting position to their release position, in which the support elements fall in circumferential grooves or traps of the slider and the axial movement of the clamping element no longer block.
  • the task of a further development is to secure the tensioning bead in its functional position even in the event that the force of the yarn tube on the actuating ring subsides.
  • a coaxially arranged sleeve which is inevitably movable with the actuating element in the axial direction and has a latching hole on the circumference which is in alignment when the tensioning bead is tensioned a spring-loaded, radially movable locking pin, which falls into this locking hole under the action of a return spring as a stop for securing the tensioning bead in its functional position.
  • the tension element consists of an axially displaceable draw tube arranged coaxially to the mandrel axis and a widened head piece attached to the front end of the draw tube that the Headpiece with the interposition of a compression spring on the tensioning element loads that the cross bolts at the lower end of the draw tube are connected to this and that at the lower end of the draw tube in the circumference thereof a locking hole is provided, which gets under tension when the tensioning bead is in alignment with a spring-loaded, radially movable locking pin , of the as a rest for securing the clamping bead in its functional position falls into this locking hole under the action of a return spring.
  • a simple, reliable configuration for releasing the catch is also possible, which is characterized in that the release element is a push-button axially movable against a return spring at the free end of the spool mandrel, which is seated on a coaxial actuating rod which is at its free end End has an inclined surface which is formed by pushing the release element against the force of the return springs pushing the locking pin out of the locking hole.
  • a coil mandrel is generally denoted by 5, which is fastened to a base 31.
  • the base 31 has a flange surface 32 on which the base also the spool can be flanged to a rotating tool, for example the front of a shaft.
  • a yarn tube 6 is placed on the spool 5. This slides with play over the non-arched tensioning bead 1. According to FIG. 2, the coil sleeve 6 is held on the coil mandrel 5 by arching the tensioning bead 1.
  • the tension bead 1 is annular and elastically deformable. In Figure 1 he is relaxed, in Figure 2 bulged and drawn tense. In the relaxed state, it is flush with the circumference of the spool 5. In the tensioned state, it partially protrudes from the circumference of the coil mandrel, as shown in FIG. 2.
  • the tensioning bead 1 is arranged between a head piece 38 of a mandrel jacket 33 fastened to the coil base 31 and a tensioning element 2 arranged on the end face of the coil mandrel and can be arched against the coil jacket by axial displacement of the tensioning element.
  • two - or more - compression springs are arranged diametrically opposite one another between the head piece 38 and the tensioning element 2.
  • One of these compression springs, namely the compression spring 39, is visible in FIG. 4.
  • the coil mandrel is covered at its free end by a cap 42.
  • tie rods With 11, 12 two tie rods are designated, which are suspended with the interposition of tension springs 13, 14 on cross bolts 34, 35 of an actuating ring 3.
  • the actuating ring 3 is coaxial to the mandrel axis 8 in the axial direction in two diametrically opposed slots 36, 37 of the mandrel jacket 33.
  • more tie rods can also be arranged distributed uniformly over the circumference, to which a corresponding number of transverse bolts and elongated holes are then assigned.
  • a sliding tube 44 with a coaxially arranged sliding tube is designated, which has openings at its lower end for the passage of the cross bolts 34, 35 of a detent 7 and a transverse mandrel 41.
  • a sleeve 23 is arranged axially displaceably.
  • the two cross bolts 34, 35 are inserted in the sleeve 23, so that this must always follow the axial movements of the actuating ring 3.
  • the sleeve 23 has in her lower region a guide slot 40, in which the cross mandrel 41 engages to prevent rotation.
  • the spring-loaded, transversely displaceable catch 7 Opposed to the transverse mandrel 41 is the spring-loaded, transversely displaceable catch 7 under the pressure effect of a return spring 25 designed as a compression spring, which strives to shift the catch into the position shown in FIG. 2, in which it rests in a catch hole 24 of the sleeve 23 occurs and thereby holds the parts in their clamped functional position shown in Figure 2.
  • a return spring 25 designed as a compression spring
  • release element 9 with a on the free end face 10 of the coil mandrel 5 coaxially arranged release element is referred to, which can be pressed down in the axial direction against the force of a return spring 30 (based on the drawing).
  • This release element 9 is arranged at the free end of an actuating rod 26 which is arranged coaxially and is displaceable in the axial direction and has at its free, lower end an inclined surface 27 in the form of a circular cone, which cooperates with inclined surfaces of a corresponding circular cone at the free end of the catch 7 and the catch when the release element 9 is pressed down against the force of the return spring 25, based on FIG. 2 to the right, drives it out of the catch hole 24, to the edge of the hole wall of the sleeve 23.
  • the catch 23 becomes axial by pulling the sleeve 23 upward 7 completely pushed out of the locking hole via its circular cone.
  • the yarn tube 6 In the functional position, the yarn tube 6 is held alone by the bulging tension bead 1 on the spool mandrel 5 without external force.
  • the tensioning element 2 and thus the actuating ring 3 give way to their in FIG. 1 due to the restoring forces of the tension bead and the tension springs 13, 14 drawn position back.
  • the tensioning bead releases the yarn tube 6 and the actuating ring gives the yarn tube 6 a thrust in the axial direction, that is in Direction of pulling off the thread tube.
  • the tensioning bead 101 which is ring-shaped and elastic, can be tensioned between the tensioning element 102 and the stationary mandrel jacket 133 and in the rest position within the contour of the spool mandrel 105, on the other hand pressed into the functional position, arched outward via this contour and thereby able to thread the yarn sleeve 106 to tighten.
  • the tensioning element 102 is widened at its upper end, based on FIG. 5, and, moreover, is a tube which is coaxial with the mandrel axis 108 and which is mounted coaxially with the mandrel jacket 133 and is displaceable in the axial direction.
  • the tensioning element 102 is loaded with a compression spring 113 designed as a return spring, which is supported on the head piece 151 of a tension element 111.
  • the tension element also consists of a tension tube 152, which is axially displaceably mounted coaxially to the mandrel axis 108 within the tensioning element.
  • An actuating rod 126 is mounted within the draw tube 152 coaxially to the mandrel axis 108 and is displaceable in the axial direction. 5
  • a release element 109 designed as a push button is fastened to this actuating rod, which is supported with a compression spring designed as a return spring 130 on the head piece 151 of the tension element 111 and finds a stop on the cap 142 attached to the tensioning element 102.
  • the annular actuating element 103 is mounted coaxially to the spool 105 and axially displaceable. As can be seen from FIG. 6, it has two radially directed, diametrically opposed cross bolts 134, 135, which are fixed with projections in corresponding holes in the draw tube 152, so that the draw tube must follow the axial movements of the actuating element.
  • the support tube 115 which is part of the tensioning element 102, and the mandrel jacket 133 are, for this purpose, excluded at their lower end for the two cross bolts.
  • Two slot-like recesses 136, 137 in mandrel jacket 133 and 153, 154 in support tube 115 are visible in FIG. 6. Instead of the recesses, elongated holes can also be provided.
  • two inclined surface adjusters 118, 119 are fastened diametrically opposite one another, which extend axially parallel to the mandrel axis 108 and have inclined surfaces 128 and 129 at their free end.
  • These inclined surface adjusters are guided in a base 131.
  • two slides 117a, 117b are arranged diametrically opposite one another, which are supported against one another on the return spring designed as a compression spring.
  • Their free outer end faces are designed as brake shoes 156, 157 and lie on the inner wall of a stationary housing 158.
  • a shaft 159 is rotatably mounted coaxially to the mandrel axis 108 in ball bearings 160, 161 and connected to the spool mandrel 105 in a torsionally rigid manner.
  • the two slides 117a, 117b have slots 162, 163 which extend in the direction of displacement and into which the inclined surface adjusters 118, 119 protrude with their lower tips.
  • the sloping surfaces 128, 129 face each other.
  • the actuating element 103 is drawn in its highest possible position in the figure. If it moves downward when actuated, the inclined surfaces 128, 129 touch the inwardly located upper edges or surfaces of the slots 162, 163 and thereby drive the two slides 117a, 117b toward one another against the force action of the return spring 120.
  • the support tube 115 of the tensioning element 102 is supported with its lowermost edge on the slides 117a, 117b and is held in its uppermost position in which the tensioning bead 101 is relaxed.
  • the pulling element 111 is also pulled down and the compression spring 113 is tensioned.
  • the two slides 117a, 117b are displaced inward by the inclined surfaces 128, 129 until the lower edge of the support tube 115 no longer finds any hold on the circumference of the slider but falls into the latches 121, 122 on the circumference of the slider.
  • the tensioning element 102 can suddenly compress the tensioning bead 101 following the force effect of the spring 113, which is now tensioned, as shown in FIG.
  • a detent 107 which is displaceable in the radial direction in the base 131, under the pressure effect of a return spring 125 initially aligns with a detent hole 124 at the lower end of the draw tube 152 and then engages in this detent hole and thus locks all the parts in the 5C and 6 functional position shown.
  • the release element 109 is pressed downward in the direction of arrow 164 with the yarn tube or another actuating element.
  • the inclined surface 127 formed by a cone at the free end of the actuating rod 126 engages with the inclined surface formed by a cone at the free end of the detent 107 and urges the detent 107 back against the force of the return spring 125 so far out of the detent hole 124 that the draw tube 152 is released and can move upward again under the force of the compression spring 113 into the rest position shown in FIG.
  • This movement is followed by the actuating element 103 with the inclined surface adjusters 118, 119, so that the two slides 117a, 117b can also move back into their rest position following the force of the spring 120.
  • the tensioning of the attached yarn tube is triggered by the fact that the attached yarn tube acts in the axial direction on the actuating ring and that the release of the tension is triggered by simple axial actuation on the end face of the spool.
  • These two operations can be carried out simply with or in connection with the tools with which the yarn tubes are also exchanged. It can also be operated by robots or other automatic loading systems.
  • a conical surface 165 which is concentric with the mandrel axis 108a is provided on the spacer 155a.
  • the thread sleeve 106a fits with play according to the double arrow 166 on the mandrel jacket 133a.
  • the front edge 167 of the yarn tube 106a sits on the conical surface 165.
  • the tensioning element 102 presses on the tensioning bead 101 in the direction of insertion of the yarn sleeve, so that its center, relative to the drawings, moves downward.

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  • Tyre Moulding (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)

Claims (10)

  1. Dispositif de fixation rapide pour les canettes de filage (6, 106), dont la broche pour bobine (5, 105) est pourvue d'un bourrelet de serrage (1, 101) élastiquement déformable que l'on peut comprimer grâce à la mise en oeuvre d'un élément de fixation (2, 102) en partant de la position de repos vers la position de fonctionnement dans laquelle il repose, fixé par un système de fixation par friction, sur la paroi intérieure voûtée de la canette de filage, à l'intérieur de laquelle celui-ci est fixé sur la broche pour bobine, caractérisé en ce que,
    un élément de commande (3, 103) est prévu pour la mise en place de l'élément de fixation (2, 102), lequel est placé sur la trajectoire du bord avant (4, 104) de la canette de filage (6, 106) qui doit être fixée sur la broche pour bobine (5, 105), et en ce que
    une encoche (7, 107) est prévue pour bloquer l'élément de fixation en position de fonctionnement.
  2. Dispositif de fixation rapide selon la revendication 1, caractérisé en ce que l'élément de la commande de déclenchement est constitué par un anneau de commande de déclenchement (3, 103) placé coaxialement à l'axe (8, 108) de la broche pour bobine (5, 105).
  3. Dispositif de fixation rapide selon l'une des revendications précédentes, caractérisé en ce que
    l'encoche (7, 107) se présente de façon inclinée lorsqu'elle se trouve en position de fonctionnement et lorsque l'élément de fixation (2, 102) se trouve en position automatique de fonctionnement, et en ce que
    l'élément de la commande de déclenchement (9, 109) qui coulisse par rapport à l'axe est doté d'une encoche, laquelle est disposée, pour la commande de déclenchement, sur la face avant libre (10, 110) de la broche pour bobine (5, 105) de façon accessible.
  4. Dispositif de fixation rapide selon l'une des revendications précédentes, caractérisé en ce que
    l'élément de fixation (2, 102) se trouve placé sur l'extrémité libre de la broche pour bobine (5, 105) et peut coulisser dans l'axe en contrant la force de rappel du bourrelet de serrage (1, 101) et en ce que
    l'élément de fixation est relié à l'élément de la commande de déclenchement par l'intermédiaire de 2 goupilles transversales (34, 35; 134, 135) placées en position radiale vis à vis de l'axe de la broche (8, 108), placées en position coaxiale l'une par rapport à l'autre et fixées sur l'élément de la commande de déclenchement (3, 103).
  5. Dispositif de fixation rapide selon la revendication 4, caractérisé en ce que
    le ressort (13, 14; 113) se situe entre l'élément de la commande de déclenchement (3, 103) et l'élément de fixation (2, 102), lequel ressort, dont la force de rappel est supérieure à celle du bourrelet de serrage, déplace le bourrelet de serrage (1, 101) qui peut être doté d'un ressort de maintien (39) pour le maintien de celui-ci.
  6. Dispositif de fixation rapide selon les revendications 4 ou 5, caractérisé en ce que
    on a prévu pour l'élément de fixation (2, 102) un ou plusieurs éléments de maintien (15, 16, 115) qui sont disposés parallèlement à l'axe de la broche (8, 108) et qui s'appuient sur le rebord d'un ou deux tiroirs coulissant (17, 117a, 117b) placés en position radiale ou en position perpendiculaire par rapport à l'axe de la broche à partir d'une position de blocage vers une position de déclenchement, et qui empêchent l'élément de fixation de coulisser par rapport au bourrelet de serrage (1, 101) en position de blocage du tiroir mais qui, par contre, ne bloquent pas l'élément de fixation en position débloquée.
  7. Dispositif de fixation rapide selon la revendication 6, caractérisé en ce que
    on a prévu un ou plusieurs dispositifs de réglage à plans inclinés (18, 19; 118, 119) fixés à l'élément de commande de déclenchement (3, 103), lesquels peuvent coulisser parallèlement à l'axe de la broche (8, 108), peuvent se déplacer avec l'élément de la commande de déclenchement (3, 103) et déplacer grâce à leurs surfaces inclinés (28, 29; 128, 129) le ou les tiroirs (17, 117a, 117b) dans le sens inverse de la force du ressort de rappel (20, 120) hors de leur position de blocage et vers leur position de déclenchement, pour lequel les éléments de fixation (15, 16; 115) s'enfoncent à l'intérieur des encoches périphériques (21, 22) ou à l'intérieur des logements (121, 122) des tiroirs respectifs et ne bloquent plus le déplacement axial de l'élément de fixation.
  8. Dispositif de fixation rapide selon l'une des revendications précédentes, caractérisé en ce que
    on a prévu une canette (23) placée coaxialement, laquelle peut se déplacer de façon contrôlée en même temps que l'élément de commande de déclenchement (3) dans la direction de l'axe et présente un orifice d'encoche (24) en sa périphérie, laquelle, lorsque le bourrelet de serrage (1) est en position de serrage, s'aligne sur la broche d'arrêt (7) commandée par ressort, mobile dans le sens radial et qui s'enfonce en position d'arrêt pour bloquer le bourrelet de serrage dans sa position de fonctionnement à l'intérieur de l'orifice de l'encoche, sous l'action du ressort de rappel (25).
  9. Dispositif de fixation rapide selon l'une des revendications 1 à 7, caractérisé en ce que
    l'élément de traction (111) se compose d'un tube de traction (152) placé coaxialement vis à vis de l'axe de la broche (108) et pouvant coulisser dans e sens de l'axe et se compose d'une tête (151) élargie qui est fixée sur l'extrémité avant du tube de traction,
    en ce que la tête repose sur l'élément de fixation (102) sous l'action d'un ressort de maintien (113), en ce que les goupilles transversales (134, 135) sont reliées à celui-ci au niveau de l'extrémité inférieure du tube de traction et en ce que
    un orifice d'encoche (124) se trouve à l'extrémité inférieure du tube de traction et en périphérie de ce même tube de traction, qui s'aligne sur la broche d'arrêt (107) commandée par ressort, mobile dans le sens radial et qui s'enfonce en position d'arrêt pour bloquer le bourrelet de serrage dans sa position de fonctionnement à l'intérieur de l'orifice de l'encoche, sous l'action du ressort de rappel (125).
  10. Dispositif de fixation rapide selon les revendications 8 ou 9, caractérisé en ce que
    l'élément de commande de déclenchement (9, 109) est constitué par une tête de pression, mobile sur son axe par rapport à un ressort de rappel (30, 130), à l'extrémité libre de la broche pour bobine (5, 105), qui repose sur une barre de commande coaxiale (26, 126), qui présente, sur son extrémité libre, un plan incliné (27, 127) qui est conçu de façon à faire coulisser la broche d'arrêt (7, 107) hors de l'orifice de l'encoche (24, 124), lorsque s'exerce la pression de l'élément de commande de déclenchement contre la force de rétroaction du ressort de rappel (25, 125; 30, 130).
EP93100779A 1992-03-19 1993-01-20 Dispositif de fixation rapide pour les tubes de bobine Expired - Lifetime EP0561115B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9203698U 1992-03-19
DE9203698U DE9203698U1 (de) 1992-03-19 1992-03-19 Schnellspanner für Garnhülsen

Publications (2)

Publication Number Publication Date
EP0561115A1 EP0561115A1 (fr) 1993-09-22
EP0561115B1 true EP0561115B1 (fr) 1995-12-13

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EP93100779A Expired - Lifetime EP0561115B1 (fr) 1992-03-19 1993-01-20 Dispositif de fixation rapide pour les tubes de bobine

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DE (2) DE9203698U1 (fr)

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DE202007003247U1 (de) * 2006-10-07 2008-02-21 Herma Gmbh Einspannvorrichtung für eine Materialbahn
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DE3044707A1 (de) * 1980-11-27 1982-06-24 Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid Spannfutter in spinnmaschinen

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EP0561115A1 (fr) 1993-09-22
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