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EP2807101B1 - Dispositif de serrage et de desserrage d'un tube de bobine - Google Patents

Dispositif de serrage et de desserrage d'un tube de bobine Download PDF

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Publication number
EP2807101B1
EP2807101B1 EP13708066.9A EP13708066A EP2807101B1 EP 2807101 B1 EP2807101 B1 EP 2807101B1 EP 13708066 A EP13708066 A EP 13708066A EP 2807101 B1 EP2807101 B1 EP 2807101B1
Authority
EP
European Patent Office
Prior art keywords
winding
clamping
rotary plate
force
rotation
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.)
Active
Application number
EP13708066.9A
Other languages
German (de)
English (en)
Other versions
EP2807101A1 (fr
Inventor
Alexander Mair
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.)
Lunatone Industrielle Elektronik GmbH
Original Assignee
Lunatone Industrielle Elektronik GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Lunatone Industrielle Elektronik GmbH filed Critical Lunatone Industrielle Elektronik GmbH
Publication of EP2807101A1 publication Critical patent/EP2807101A1/fr
Application granted granted Critical
Publication of EP2807101B1 publication Critical patent/EP2807101B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B65H75/24—Constructional details adjustable in configuration, e.g. expansible
    • B65H75/242—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages
    • B65H75/245—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages by deformation of an elastic or flexible material
    • B65H75/2455—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages by deformation of an elastic or flexible material deformation resulting from axial compression of elastic or flexible material
    • 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
    • B65H2701/313—Synthetic polymer threads

Definitions

  • the invention relates to a device for tensioning and releasing a winding tube, with a rotatable by means of a spindle motor holder for the winding tube and with a clamping means for clamping the winding tube during its rotation, wherein the clamping means is connected via a power transmission means with a spring means and the clamping means due to the force acting on this via the force transmission means spring force the winding tube clamped to rotation.
  • a device of this kind is from the US 4,767,077 become known, in which a sleeve for receiving a web by means of a number of split, the Spuldorn surrounding rings can be held, when these rings are provided by provided on the circumference of the mandrel, with slanted ramp surfaces cooperating rollers. Furthermore, a pressing unit for generating an axial force is provided, which can press the rings together in the axial direction.
  • the structure shown is very complex and has a large number of items, with a hydraulic power generation is also provided.
  • a freewheel is created, which makes it possible that the holder for the winding tube can be driven freely in the winding direction, however, in a rotation in the opposite direction blocking and thus releasing the winding tube takes place.
  • the turning against the winding direction is conveniently done by means of the spindle motor, but it can also be done by hand, with only a short turn necessary to allow the release.
  • the force transmission means is designed as a tubular sleeve, which sits on a driven by the spindle motor spool, with this connected to rotation and with respect to the same is longitudinally displaceable.
  • the release of the winding tube is particularly simple if the direction of rotation of the spindle motor is reversible, the spindle motor to release the winding tube whose holder rotates against the winding direction.
  • the tube sleeve is loaded with spring force with respect to the spool in the direction of its receiving end by means of the spring means.
  • an elastically deformable clamping ring is arranged, which upon compression by the Spring force evades radially outward and presses against the inner surface of the winding tube. It makes sense if the free end of the tube sleeve and the fixed clamping surface with respect to the chuck are chamfered.
  • the release device has a turntable connected to the power transmission means, the turntable, leaving a disc-shaped gap opposite a stationary, plate-shaped abutment is arranged in the turntable, the abutment facing with respect to the axis of rotation substantially arcuate Recesses for receiving a ball are formed, wherein the bottom of each recess in a direction of rotation is so far rising, that upon rotation of the spool and the turntable against the winding direction balls supported supported on the abutment and push the turntable against the spring force of the abutment, whereby the winding tube is released.
  • the turntable is arranged at the end remote from the coil receiving side end of the tube sleeve and it can also be provided that the turntable is arranged at the end remote from the coil receiving side end of the shaft.
  • the recesses can expediently extend radially outward in the direction of their deepest end region.
  • the spring means is a helical spring, which is arranged between a flange of the spool and the turntable, comprising the spool.
  • the turntable has a circumferential, the disc-shaped gap on its circumference covering collar.
  • the release means connected to the power transmission means, displaceable in the longitudinal direction of the winding axis and connected to the spool on rotation rotary ring with a toothing, at least one stationary but pivotally mounted pawl lift is provided, the a with respect to its pivot axis eccentrically extending teeth, which is associated with the teeth of the rotary ring, and upon rotation of the rotary ring in the winding direction, the teeth can slide together, is taken on rotation of the rotary ring against the winding direction of the latch lever by cooperation of the teeth of the rotary ring and him pushes away against the force of the spring, whereby the winding tube is released.
  • the release device has a turntable connected to the power transmission means, the turntable is leaving a gap opposite a stationary abutment is arranged on the turntable pivotable pawls are arranged, which can be supported on projections of the turntable are and can cooperate with stages of the abutment so that upon rotation of the spool and the turntable against the winding direction, the pawls are supported on the projections and on the steps and push away the turntable against the spring force of the abutment, whereby the winding tube is released
  • the pawls can slide freely over the stages, the corresponding approximation of the turntable (35) leads to the abutment for holding the winding tube.
  • a field-proven variant is characterized in that the tubular sleeve is connected to the spool on a formed in the tubular sleeve longitudinal slot and engaging in this, sitting on the spool pin on rotation.
  • a device 1 according to the invention has a spool 2 for receiving a winding tube 3, on which, for example, plastic threads can be wound.
  • the winding tube 3 and the spool 2 are shown only partially here.
  • the spool 2 is connected to a spindle motor 33, which is mounted on a stationary frame 34.
  • a clamping means In order to tension the winding tube 3 on the spool 2, a clamping means is provided, which in the present case has an elastically deformable clamping ring 4, which preferably consists of a rubber-elastic material or may be formed as a circumferential spiral spring.
  • the clamping means is loaded by a force transmission means with the force of a spring means to tension the winding tube 3 on the spool 2.
  • the spring means is a coil spring 5, which is arranged between a flange 6 of the spool 2 and one end of a tube sleeve 7, which serves as a force transmission means.
  • the tubular sleeve 7 is connected to the spool 2 via a formed in the tubular sleeve longitudinal slot 8 and engaging in this, sitting on the spool pin 9 on rotation, in the axial direction of the mandrel axis a, however, limited longitudinally displaceable.
  • the clamping ring 4 is located in an annular gap 10, on the one hand - in the drawing on the left - from the free end 11 of the tubular sleeve 7 and on the other hand formed by a round running, with respect to the spool 2 clamping surface 12.
  • the clamping surface 12 may be formed directly on the spool 2 or on a fixedly connected to the latter sleeve.
  • the invention is not limited to the use of a single clamping ring, but also several such clamping rings can be provided for a winding tube 3.
  • Fig. 1 and Fig. 2 is a further clamping ring 4 'located, wherein between the clamping ring 4 and this clamping ring 4' on the spool a longitudinally displaceable sleeve piece 7 'is arranged. A displacement of the tube sleeve 7 then presses not only the clamping ring 4 but, on the sleeve piece 7 'and the clamping ring 4' together.
  • the invention provides a release device, which is adapted to move upon rotation of the spool 2 against the winding direction of the force transmission means, namely the tube sleeve 7 against the force of the spring to the clamping of the winding tube. 3 repealed.
  • the release device on a turntable 13 which is disposed on the side facing away from the Spulenafterseite end of the tube sleeve 7, wherein the turntable 13, leaving a disc-shaped gap 14 opposite a stationary, plate-shaped abutment 15 is arranged, the stationary and for example connected to the frame 34.
  • the turntable 13 has a circumferential, the disc-shaped gap 14 at its periphery covering collar 16, which as such is not essential to the invention.
  • Fig. 3 and Fig. 3a can be seen, in the turntable 13, facing a flat surface of the abutment 15, with respect to the axis of rotation a substantially circular arc-shaped recesses 17, in the present case four, each for receiving a ball 18, wherein it can be seen that the bottom 117 of each recess 17 is rising in one direction of rotation and the recesses 17 have in their lowest end portion a radially outwardly extending portion 217 ..
  • each recess has a flat flattening 317 which is flat with respect to the oblique bottom region rising to this end. Furthermore, in the region of the flattening 317 of each recess 17, a small magnet 417 can be provided which is just strong enough to produce a ball 18 if it is made of a magnetizable material, such as Steel, holds, in the area of this recess holds. Such magnets 417 may be cast or glued, for example, in the turntable 13.
  • the described design of the release device has the consequence that upon rotation of the spool 2, the tube sleeve 7 and the turntable 13 in one direction, which is selected against the winding direction, the balls 18 are supported during rolling on the abutment and the turntable 13th push away from the abutment 15 against the force of the spring 5.
  • the tube sleeve 7 is pushed away from the receiving end of Spuldoms 2, in the drawing to the left, and the clamping ring 4 receiving annular gap 10 increases, so that the clamping ring 4 is no longer squeezed and radially contracts inside.
  • This leads to the release of the winding tube 3. which ensures the relaxation of the sleeve in one direction of rotation and a frictional connection in the other direction of rotation.
  • the spool 2 After switching off the motor 33, the spool 2 is rotated by means of the motor, possibly also by hand, briefly in the opposite direction, whereby the balls 18 get back to the other end of the recesses 17.
  • the flattening 317 makes it possible for the balls 18 to remain in place even without the action of a torque of the spindle motor 33, which is expediently designed as a torque-controlled electric motor, so that the spring 5 remains compressed and the winding tube 3 removed or after Wrapping can be exchanged for a blank.
  • FIG. 4 Referring to which like reference numerals are used for like or comparable parts of the preceding figures, it will be seen that in this variant no spool for receiving the winding tube 3 is provided, but a driven shaft 19 via a pin-slot connection 9, 8 a provided as a power transmission means hollow shaft 20 carries along rotation, which is thus driven and rotatable and limited in the axial direction displaceable.
  • the winding tube 3 is clamped in this embodiment with its two ends between two circular rotatable cones 21, 22, wherein a first cone 21 is mounted in the drawing in a manner not shown fixed and rotatable ( Fig. 4 , right).
  • the second cone 22 is seated at the free end of the hollow shaft 20 and is therefore rotatably driven and displaceable in the direction of the axis a.
  • the release device is to move the power transmission means against the spring force upon rotation of the holder against the winding direction in order to cancel the clamping of the winding tube.
  • the above example of a freewheel with balls on inclined treads is just one of many options available to those skilled in the art. It is essential that by briefly turning the spindle by the drive motor or by hand against the Winding direction, the coil is released or is clamped by a short turn in the winding direction.
  • embodiments may be used in which also only a circular arc-like recess, similar to the recess 17 of the Fig. 3 and only one ball is used.
  • FIGS. 5 and 6 For example, an embodiment is shown which uses at least one eccentrically mounted pawl lever, which cooperates with a toothed ring. Since the construction is in large part of those after Fig. 1 and 2 or 3 is similar, the same reference numerals are used for the same or similar parts for the sake of simplicity.
  • a rotary ring 23 which has a circumferential toothing 23z.
  • the rotary ring 23 is connected to the tube sleeve 7 and together with this displaceable in the axial direction.
  • a pawl lever 24 cooperates, which is pivotally mounted, for example by means of a pin 25, to a stationary carrier 26 and has a toothing 24z.
  • the toothing 24z of the pawl lever 24 is arranged eccentrically with respect to the pin 25 or its pivot axis and the pivoting movement of the pawl lever 24 is limited by two stops 24a, 24b, which cooperate with a stop pin 26a of the carrier 26.
  • the eccentric mounting of the lever 24 also ensures that it can come into contact with the teeth 23z of the rotary ring solely by gravity.
  • the latch lever could also be spring-loaded and it can be several such latch lever are used.
  • Fig. 5 shown working position corresponds to that after Fig. 2 , ie, the spring 5 is compressed, since upon rotation of the spool 2 in a first direction (indicated by an arrow) of the pawl lever 24 by cooperation of the teeth 23z, 24z is taken and presses the rotary ring 23 against the force of the spring 5 until its stop 24 b abuts against the stop pin 26 a of the carrier 26.
  • the tube sleeve 7 shifts, the clamping ring 4 is applied to the spool 2 and it can be a winding tube (not shown here) are pushed (see. Fig. 2 ).
  • FIGS. 7 and 8 Another possibility of a freewheel in one direction of rotation is in the FIGS. 7 and 8 outlined.
  • a turntable 35 On a turntable 35, of which only a section is shown in development, pivotable pawls 36 are provided and the turntable 35 opposite is a fixed, annular abutment 37.
  • the turntable 35 is analogous to the turntable 13 of Fig. 1, 2 and 4 connected with a suitable clamping means via a power transmission means, with corresponding possibilities have already been shown above.
  • the pawls 36 Upon rotation of the turntable 35 in a first, indicated by an arrow direction, the pawls 36 are supported on the one hand on projections 35a of the turntable 35 and with their free ends on the other hand on steps 37a of the fixed abutment 37. In this position, the turntable 35 is held at a distance from the ring 37, wherein via a force transmission means, for example, the tube sleeve 7 of Fig. 1, 2 and 4 , causes a winding tube is released. On the other hand, turning the turntable 35 in the other direction causes the pawls 36 to slide freely over the steps 37a, with the corresponding approach of the turntable 35 to the abutment 37 for holding the winding tube.
  • a force transmission means for example, the tube sleeve 7 of Fig. 1, 2 and 4
  • the pawls 36 may be spring loaded to ensure co-operation with the steps 37a under all circumstances. It is also possible, the pawls firmly, ie not pivotally mounted to anchor on the turntable, but they form as resilient pawls, so that in this way a cooperation with the steps 37 a is secured.
  • the spring means may also be designed as magnetic springs or pneumatic springs.

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  • Winding Of Webs (AREA)

Claims (15)

  1. Dispositif servant à serrer et à desserrer un manchon de bobine (3), comprenant une fixation (2 ; 22, 21), pouvant tourner au moyen d'un moteur à broche (33), pour le manchon de bobine (3) et comprenant un moyen de serrage (4) servant à fixer par serrage le manchon de bobine lors de sa rotation, sachant que le moyen de serrage est relié par l'intermédiaire d'un moyen de transmission de force (7) à un moyen formant ressort (5) et le moyen de serrage (4) fixe par serrage le manchon de bobine en rotation sur fait de la force élastique agissant sur ledit moyen de serrage par l'intermédiaire du moyen de transmission de force,
    caractérisé en ce que
    est prévu un système de déclenchement (13, 18, 15 ; 23, 24 ; 35, 36, 37) réalisé en tant que roue libre dans le sens d'enroulement, lequel reste dans une position inactive lors de la rotation de la fixation dans le sens d'enroulement et qui est mis au point pour déplacer à l'encontre de la force élastique le moyen de transmission de force lors de la rotation de la fixation (2 ; 20, 2, 21) à l'encontre du sens d'enroulement.
  2. Dispositif selon la revendication 1, caractérisé en ce que le moyen de transmission de force est réalisé sous la forme d'un manchon tubulaire (7), qui repose sur un mandrin de bobine (2) entraîné par le moteur à broche (33) et qui peut être relié à ce dernier en rotation et qui peut se déplacer par coulissement de manière longitudinale par rapport audit mandrin de broche.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que le sens de rotation du moteur à broche (33) peut être inversé, sachant que le moteur à broche servant à déclencher le manchon de bobine (3) tourne la fixation (2 ; 20, 22, 21) de ce dernier à l'encontre du sens d'enroulement.
  4. Dispositif selon la revendication 2 ou 3, caractérisé en ce que le manchon tubulaire (7) est contraint par une force élastique par apport au mandrin de bobine (2) dans la direction de son extrémité de réception au moyen du moyen formant ressort (5).
  5. Dispositif selon l'une quelconque des revendications 2 à 4, caractérisé en ce qu'est disposée dans une fente annulaire (10), qui est formée par l'extrémité (11) libre du manchon tubulaire et par une surface de serrage (12) fixe amenée en rotation par rapport au mandrin de bobine, en tant que moyen de serrage, une bague de serrage (4) élastiquement déformable, qui s'échappe radialement vers l'extérieur lors de la compression exercée par la force élastique et exerce une pression contre la surface intérieure du manchon de bobine (3), sachant que de préférence l'extrémité libre (11) du manchon tubulaire (7) et la surface de serrage (12) fixe par rapport au mandrin de bobine sont chanfreinées.
  6. Dispositif selon la revendication 2, caractérisé en ce que le manchon de bobine (3) peut être fixé par serrage, par ses deux extrémités, entre deux cônes (21, 22) rotatifs circulaires, sachant qu'un premier cône (21) est stationnaire, tandis que le deuxième cône (22) peut se déplacer par coulissement dans la direction axiale et repose au niveau de l'extrémité libre d'un arbre creux (20) prévu en tant que moyen de transmission de force, lequel est entraîné et peut se déplacer par coulissement de manière rotative ainsi que de manière limitée dans la direction axiale.
  7. Dispositif selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le système de déclenchement présente un plateau tournant (13) relié au moyen de transmission de force, en ce qu'un contre-palier (15) stationnaire en forme de plateau, est disposé de manière à faire face au plateau tournant en conservant une fente (14) en forme de disque, en ce que des évidements (17) présentant essentiellement une forme d'arc de cercle servant à recevoir respectivement une bille (18) sont réalisés dans le plateau tournant, de manière tournée vers le contre-palier par rapport à l'axe de rotation (a), sachant que le fond de chaque évidement (17) est ascendant dans un sens de rotation jusqu'à ce que lors d'une rotation du mandrin de bobine (2) et du plateau tournant à l'encontre du sens d'enroulement, des billes roulent en appui sur le contre-palier et repoussent le plateau tournant du contre-palier à l'encontre de la force élastique ce qui permet de desserrer le manchon de bobine (3).
  8. Dispositif selon la revendication 7 et selon l'une quelconque des revendications 2 à 5, caractérisé en ce que le plateau tournant (13) est disposé au niveau de l'extrémité du manchon tubulaire (7) opposée au côté de réception de bobines.
  9. Dispositif selon la revendication 7 et la revendication 8, caractérisé en ce que le plateau tournant (13) est disposé au niveau de l'extrémité de l'arbre (20), opposée au côté de réception des bobines.
  10. Dispositif selon la revendication 7, caractérisé en ce que les évidements (17) s'étendent radialement vers l'extérieur en direction de sa zone d'extrémité la plus profonde.
  11. Dispositif selon la revendication 2, caractérisé en ce que le moyen formant ressort est un ressort hélicoïdal (5), qui est disposé, tout en comprenant le mandrin de bobine (2), entre une bride (6) du mandrin de bobine (2) et le plateau tournant (13).
  12. Dispositif selon la revendication 7, caractérisé en ce que le plateau tournant (13) possède un collet (16) périphérique, recouvrant la fente (14) en forme de disque au niveau de sa périphérie.
  13. Dispositif selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le système de déclenchement présente une bague de rotation (23) pourvue d'une denture (23z), reliée au moyen de transmission de force, pouvant se déplacer par coulissement dans la direction longitudinale de l'axe de bobine et reliée en rotation au mandrin de bobine (2), en ce qu'au moins un levier à cliquet (24) stationnaire, monté toutefois de manière à pouvoir pivoter est prévu, qui possède une denture (24z) s'étendant de manière excentrée par rapport à son axe de pivotement, laquelle est associée à la denture (23z) de la bague de rotation, et en ce que les dentures peuvent glisser l'une contre l'autre lors de la rotation de la bague de rotation dans la direction de bobinage, en ce que le levier à cliquet est entraîné par la bague de rotation par coopération des dentures (23z, 24z) lors de la rotation de la bague de rotation dans la direction de bobinage et la repousse à l'encontre de la force du ressort (5), ce qui permet de desserrer le manchon de bobine (3).
  14. Dispositif selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le système de déclenchement présente un plateau tournant (35) relié au moyen de transmission de force, en ce qu'un contre-palier (37) stationnaire est disposé de manière à faire face au plateau tournant en conservant une fente, en ce que des cliquets (36) pouvant pivoter sont disposés au niveau du plateau tournant, lesquelles prennent appui au niveau de parties faisant saillie (35a) du plateau tournant et peuvent coopérer avec des gradins (37a) du contre-palier de sorte que lors d'une rotation du mandrin de bobine (2) et du plateau tournant (35) à l'encontre du sens d'enroulement, les cliquets (37a) prennent appui au niveau des parties faisant saillie (35a) et au niveau des gradins (37a) et repoussent le plateau du contre-palier tournant à l'encontre de la force élastique, ce qui permet de desserrer le manchon de douille (3), en ce que toutefois lors de la rotation du plateau tournant (35) dans le sens de bobinage les cliquets peuvent glisser librement sur les gradins (37a), sachant que le rapprochement correspondant du plateau tournant (35) du contre-palier (37) conduit au maintien du manchon de bobine.
  15. Dispositif selon l'une quelconque des revendications 2 à 5, caractérisé en ce que le manchon tubulaire (7) est relié au mandrin de bobine (2) par l'intermédiaire d'une entaille longitudinale (8) réalisée dans le manchon tubulaire et par l'intermédiaire d'une tige (9) venant en prise avec ladite entaille longitudinale, reposant au niveau du mandrin de bobine.
EP13708066.9A 2012-01-25 2013-01-24 Dispositif de serrage et de desserrage d'un tube de bobine Active EP2807101B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT782012 2012-01-25
PCT/AT2013/050019 WO2013110108A1 (fr) 2012-01-25 2013-01-24 Dispositif de serrage et de desserrage d'un tube de bobine

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EP2807101A1 EP2807101A1 (fr) 2014-12-03
EP2807101B1 true EP2807101B1 (fr) 2015-09-16

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CN108666129A (zh) * 2017-03-31 2018-10-16 浙江派尔电气有限公司 变压器电线放置架及其使用方法
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CN112141821A (zh) * 2020-10-11 2020-12-29 江苏蓝慧智能装备科技有限公司 一种收线盘夹具
CN115206696B (zh) * 2022-08-17 2024-04-05 南通通成电子有限公司 一种超级电容器的滚槽装置
CN116065270A (zh) * 2022-09-08 2023-05-05 邵阳佰龙竹木有限责任公司 一种棉麻倍捻装置
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US4767077A (en) 1986-02-03 1988-08-30 Hiroshi Kataoka Support shaft for winding/unwinding sheets
DE4033583A1 (de) * 1989-10-24 1991-04-25 Christian Ludwig Schnellspanner fuer eine huelse, wie insbesondere eine garnhuelse
DE4000469C2 (de) * 1990-01-10 1994-05-26 Kampf Gmbh & Co Maschf Hülsenspannvorrichtung zum Aufwickeln von schmalen Bahnen oder Streifen aus Papier, Folie oder dgl., insbesondere Bändchen aus Dünnstfolie
JP2937094B2 (ja) * 1995-10-25 1999-08-23 ノーリツ鋼機株式会社 ロール状物の支持軸

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WO2013110108A1 (fr) 2013-08-01

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