EP0712802B1 - Adaptateur de bobine - Google Patents

Adaptateur de bobine Download PDF

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Publication number
EP0712802B1
EP0712802B1 EP96100312A EP96100312A EP0712802B1 EP 0712802 B1 EP0712802 B1 EP 0712802B1 EP 96100312 A EP96100312 A EP 96100312A EP 96100312 A EP96100312 A EP 96100312A EP 0712802 B1 EP0712802 B1 EP 0712802B1
Authority
EP
European Patent Office
Prior art keywords
spindle
base body
adapter
locking means
bobbin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP96100312A
Other languages
German (de)
English (en)
Other versions
EP0712802A2 (fr
EP0712802A3 (fr
Inventor
Günter Oppl
Wolfgang Schmucker
Hermann Pickel
Alois Knüttel
Günter Schmitt
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.)
TEMCO Textilmaschinenkomponenten GmbH
Original Assignee
TEMCO Textilmaschinenkomponenten 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.)
Filing date
Publication date
Application filed by TEMCO Textilmaschinenkomponenten GmbH filed Critical TEMCO Textilmaschinenkomponenten GmbH
Publication of EP0712802A2 publication Critical patent/EP0712802A2/fr
Publication of EP0712802A3 publication Critical patent/EP0712802A3/fr
Application granted granted Critical
Publication of EP0712802B1 publication Critical patent/EP0712802B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • B65H2601/00—Problem to be solved or advantage achieved
    • B65H2601/50—Diminishing, minimizing or reducing
    • B65H2601/52—Diminishing, minimizing or reducing entities relating to handling machine
    • B65H2601/524—Vibration
    • 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 a bobbin adapter that can be used in a bobbin a hollow cylindrical base body for receiving a spindle and one or has several radially movable locking means.
  • a lower adapter is axially against the force of a spring slidably designed.
  • An upper detachable adapter is radial with at least two fold-out, spring-loaded holding segments.
  • the Holding segments each carry a raster pin arranged in the area of a spindle core, when the adapter is pressed into the coil sleeve in a groove in the spindle core engages and axially secures the coil sleeve.
  • the grid pins snap when you press the Adapters into the coil sleeve in the groove of the spindle core and thus secure the coil sleeve axially.
  • the removal of the spindle sleeve happens in that it against the Force of a lower spring, which acts on the lower adapter, pressed down becomes.
  • the springs are free and are folded radially outwards by the springs. Leave thereby the grid pins, the recesses and the groove and the spindle sleeve can be put together can be removed from the spindle core with the adapter. So it can do it alone by pressing the spindle sleeve downwards to release it.
  • the invention has for its object to a coil adapter create with which not only a quick and easy to use spool change in ergonomically adapted or physically as little stressful as possible can be carried out, but also increased reliability realized is.
  • the solution is the coil adapters specified in claims 1, 4 and 6 proposed as a subsidiary. Further advantageous configurations result itself from the dependent claims.
  • the Locking means are available with storage, articulation and / or guidance (Active) connection to the locking device of the spindle of the invention Device are directed, leak there or tangent to it.
  • a mechanism created for one against the spindle axis and / or an axial plane of the spindle radial, oblique or transverse Engaging the latching means of the adapter in the latching device in the Main body inserted spindle ensures.
  • one or more spring elements are provided, which are at least functional components in opposite to the spindle axis and / or an axial plane the spindle has an oblique, transverse and / or radial direction and are structurally integrated or at least coupled with the latching means.
  • the radial, oblique or transverse active components can be so are used that they give the locking means actuating movements to Engage or engage in the locking device of the spindle.
  • the adapter according to the invention has a slide as a locking means, which is at least partially transverse in a guide is movably mounted to the cylinder axis and an annular plate with a central bore having. It is advisable to bore the ring plate with a larger diameter formed as the cavity of the cylindrical base body of the adapter. Covers the ring tab in the locked state due to its larger size Eccentric diameter of the inserted spindle arises during rotation a centrifugal force on the eccentric or asymmetrical part of the slide, which additionally promotes the locking between the coil adapter and the spindle.
  • the use of centrifugal or centrifugal devices for clamping The bobbins on spindles in textile machines are in themselves different from the professional world technical context (DE 35 46 260 A1) known.
  • a radially directed spring element as an adjusting device provided that is supported against the base body and against the Pushes slide preferably radially outwards. This can be in the course of plugging the adapter axially into place, the ring clip automatically snaps into place for example lead into an annular recess on the spindle jacket, which facilitates operation and handling and ergonomics improved.
  • elastic hook parts are preferred arranged like a wreath or ring, provided with one end are attached to the adapter base.
  • the linkage is designed so that due to the elasticity a resilient pivoting movement of the free hook ends each through a recess in the inner wall of the base body the spindle axis and / or an axial plane of the spindle radially inwards to the cavity of the base body.
  • the engagement or locking essentially by the Elasticity of the hook-like spring elements and their specific arrangement reached the adapter body in combination with the axial plug-on movement.
  • an axially displaceably guided release ring or slide To release the hooks from their engagement with the inserted spindle, is an axially displaceably guided release ring or slide, the so is arranged on the inside of the hook spring element, that with appropriate Sliding movement of the hook part against the spindle axis and / or one Axial plane of the spindle is adjusted obliquely, transversely and / or radially outwards.
  • the simple handling also serves as a design of the latching elements
  • Rolling elements in particular balls, in or on the base body wall axially and with respect to the spindle axis and / or an axial plane of the spindle guided obliquely, transversely and / or radially and arranged distributed over the circumference of the cylinder are.
  • a locking ring can be used as an adjusting device which includes the rolling elements and with axial displacement to or from the Latching device adjusted on the spindle.
  • the self-engaging of the rolling elements can be brought about with the aid of a suspension which holds the locking ring automatically moved into the engagement position for the rolling elements.
  • the spindle 1 of a textile machine is included their upper end area in the cavity of an upper coil adapter 2 with hollow cylindrical basic shape inserted.
  • the upper adapter 2 consists essentially from two connected axially displaceable against each other Parts, namely the upper locking part 3 and the lower coil driving part 4, in the example as a hollow cylindrical sleeve with in the upper front area conical outer wall 5 is executed.
  • This stands with the opposite Inner wall of a bobbin 6 in frictional engagement.
  • One or more axially parallel or coaxial compression springs 7, which are against the underside of the locking part 3 are supported, press the coil driving part 4 with his conical outer wall section 5 to the inner wall of the yarn package 6.
  • the connection between parts 3 and 4 is due to mutual interlocking 43 realized.
  • the locking or latching of the upper adapter 2 with the spindle 1 is used as a latching means a cross slide 8, which according to FIG. 2 in a transverse guide 9 is displaceable perpendicular to the adapter cylinder axis 10.
  • the slide 8 has 2 an annular tab 11 with a central bore 12 which the Surrounds spindle 1.
  • the bore 12 has a larger one Diameter than the spindle 1.
  • the latter is assigned to the adapter 2 Area provided with an annular groove 13 into which the tab 11 with a Part 11a of the inner circumference delimiting the bore 12 is indented.
  • the inclined surface 15 causes centering in particular the slide 8 with its bore 12 such that it is connected engage with the transverse pressure of the transverse spring 14 into the annular groove 13 of the spindle 1 can.
  • the adapter base body and possibly also the tab 11 enforced, in addition to the additional locking or locking Compensation of rotationally asymmetrical mass distributions in the adapter body be effected.
  • the asymmetrical mass distributions go in particular on the specific design of the cross slide 8 and the asymmetrical Arrangement of the cross spring 14 back.
  • the stop and / or fixing pins 17 perform the function of balancing bodies.
  • the correct mounting position can be used for spindles without the inclined surface mentioned by manual pressure on the outside of the slide 8, whereby this against the radially outward force of the cross spring 14 is shifted reached become.
  • the slider 8 is slightly manual pressure brought radially inward into a release position, in which the area of the central bore 12 completely the cross section of the spindle 1 covers or the tab 11 no longer touches the annular groove or the spindle 1.
  • the axial compression spring 7 can then the locking part 3 with respect to the driving part 4 Move axially upwards to unlock or disengage to complete the slide 8.
  • a lower coil adapter 18 also arranged with a conical outer wall 5.
  • 4a, 4b has the fixing and stop pin 17th at its lower end face a projecting stop pin 17a, which plunges into an elongated hole 11b, which is between the outer edge and the bore 12 of the ring plate is formed.
  • the longitudinal direction of the elongated hole 11b runs approximately radially with respect to the bore 12 and / or the spindle axis 10.
  • In 5a strikes the stop pin 17a in the locked position Elongated hole 11b approximately against its radially outer end while in the locking position 5b which bears against the radially inner end of the elongated hole 11b.
  • the Spindle 6 serves 1 spools of thread on a single spindle 6a, 6b of different lengths.
  • the Spindle 1 at an axial distance from one another with two annular grooves 13a and 13b Provide locking devices.
  • the upper annular groove 13b is used for axial locking the longer bobbin 6b, the lower ring groove 13a for locking the shorter one Yarn spool 6a. Because of other details and how it works reference is made accordingly to the previously explained exemplary embodiments.
  • latching means which are spherical elements 19 in a wreath or ring-like arrangement with an even distribution around the cylinder axis 10 are realized.
  • the ball elements 19 are not locked or disengaged state, for example, in the associated guide pockets 20 corresponding, ring-like arrangement held and immediately in front Locking guided axially parallel to the annular groove 13 of the spindle 1. It is on the move of attaching the upper adapter 2 a locking ring 21 against the pressure one or more axial or axially parallel locking springs 22 upwards pushed.
  • the spherical elements 19 no longer become the parallel section 23 of the circlip inner wall (parallel to the cylinder axis 10), but the polygonal subsequent inclined section 24 of the inner ring of the circlip juxtaposed.
  • the opposite inclined section 24 allows the ball elements 19 to step outward in the radial direction, so that it due to the effect of gravity and the resulting game after can hit the ring-like support shoulder 25 below. This is flush or at the same level as the lower edge of the annular groove 13, which is similar to after Fig. 1 is arranged.
  • the inner wall parallel section arrives the locking ring 21 in contact with the ball elements 19, whereby these are inserted into the annular groove 13. A radial and therefore axial movement of the ball elements 19 is thus also prevented.
  • the lower coil holder 18 can be detached via screwing means 26 the spindle shaft applied.
  • These positive connection elements can simply transfer the force to the bracket. If the The friction surface of the coil driving part 4 can do this after loosening the screwing means 26 can be easily exchanged as illustrated in FIG. 5.
  • Adhesive or pressing applied receptacle see. Fig. 3 is preferred made of two parts. The core remains on the shaft when worn, while an outer ring is being replaced.
  • the latching means are arranged as a ring around the spindle 1 Spring hook 27 executed. Its upper shaft part 28 is on the inner wall of the locking part attached. Through this articulation the free Hook part if the adapter 2 or 2a has a sufficient plug-on movement 29 is granted, snap or snap into the notch 30 of the spindle 1. This increasingly widening from the upper edge 31 towards the center of the spindle, so that the upper edge 31 for the free hook end of the spring hook 27th as it were a barb. To release the adapter 2 or 2a is a Loosening ring guided between spindle 1 and inner wall of adapter 2 or 2a 32 moved down towards the notch 30.
  • the axial compression spring 7 is in the locking part 3 of the coil adapter 2 structurally integrated and generates the friction between the conical outer wall 5 and the inside of the yarn package 6 necessary axial force.
  • the right halves of FIGS. 10 and 11 is in the lower Adapter 18a an axial compression spring 7a with a similar function for bringing about of the frictional connection between conical outer walls 5 and inner walls the bobbins 6 arranged. Then one can in the upper coil adapter 2a Axial compression spring is not required, but does not have to.

Landscapes

  • Spinning Or Twisting Of Yarns (AREA)
  • Winding Filamentary Materials (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Harvester Elements (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • General Induction Heating (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)

Claims (12)

  1. Adaptateur de bobine (2,2a;8,8a) destiné à être emmanché coaxialement sur une broche (1) comportant une bobine de fil (6) dans une machine textile, et comportant un corps de base cylindrique creux servant à loger la broche (1), et un ou plusieurs moyens d'encliquetage (8,19,27), déplaçables au moins en partie obliquement, transversalement et/ou radialement par rapport à l'axe (10) de la broche et/ou au plan axial de la broche et qui sont associés à un dispositif d'encliquetage (13,30) formé dans ou sur la broche, et comportant des dispositifs de guidage et/ou de réglage (7,9,14,15,20,21,22,23,24,28,32), qui sont formés dans et/ou sur la paroi du cylindrique et qui peuvent être actionnés manuellement et/ou de façon externe de telle sorte qu'ils entraínent les moyens d'encliquetage (8,19,27) selon des déplacements (33) en direction et à partir de la cavité et/ou en direction et à partir de la broche (10) du corps de base, caractérisé en ce qu'au moins l'un des moyens d'encliquetage est agencé sous la forme d'un poussoir (8), qui est monté de manière à être déplaçable dans un guide (9) transversalement par rapport à l'axe du cylindre et comporte une patte (11) possédant un perçage central (12), conformé et disposé partiellement en recouvrement avec le perçage (10) du cylindre du corps de base.
  2. Adaptateur selon la revendication 1, caractérisé en ce que le dispositif de réglage est réalisé sous la forme d'un élément de ressort (14) orienté obliquement, transversalement et/ou radialement par rapport à l'axe (10) de la broche et/ou par rapport au plan axial de la broche (1), et qui prend appui sur le corps de base, notamment sur la paroi cylindrique de ce dernier et attaque le poussoir (8).
  3. Adaptateur selon la revendication 1 ou 2, caractérisé en ce que le perçage central (12) et la patte (11) possèdent un diamètre supérieur à celui de la cavité du corps de base.
  4. Adaptateur de bobine (2,2a;8,8a) destiné à être emmanché coaxialement sur une broche (1) comportant une bobine de fil (6) dans une machine textile, et comportant un corps de base cylindrique creux servant à loger la broche (1), et un ou plusieurs moyens d'encliquetage (8,19,27), déplaçables au moins en partie obliquement, transversalement et/ou radialement par rapport à l'axe (10) de la broche et/ou au plan axial de la broche et qui sont associés à un dispositif d'encliquetage (13,30) formé dans ou sur la broche, et comportant des dispositifs de guidage et/ou de réglage (7,9,14,15,20,21,22,23,24,28,32), qui sont formés dans et/ou sur la paroi du cylindrique et qui peuvent être actionnés manuellement et/ou de façon externe de telle sorte qu'ils entraínent les moyens d'encliquetage (8,19,27) selon des déplacements (33) en direction et à partir de la cavité et/ou en direction et à partir de la base, caractérisé en ce que le ou les moyens d'encliquetage sont agencés sous la forme de parties élastiques en forme de crochets (27) disposés suivant un anneau et sont fixés, par une extrémité (28), à la paroi du corps de base de telle sorte que le ou les extrémités libres en forme de crochets produisent leur effet élastique respectivement éventuellement dans un évidement formé dans la paroi intérieure du corps de base, et ce radialement, transversalement et/ou obliquement vers l'intérieur en direction de la cavité du corps de base et/ou de l'axe (10) de la broche.
  5. Adaptateur selon la revendication 4, caractérisé en ce qu'il est prévu comme dispositif de réglage, une bague de desserrage (32) ou un poussoir de desserrage, guidé d'une manière à être déplaçable axialement, et disposé sur la face intérieure de la partie en forme de crochet (27) de telle sorte qu'en fonction de la position en poussée, la ou les parties en forme de crochets (27) sont repoussées radialement, transversalement et/ou obliquement vers l'extérieur par rapport à l'axe (10) de la broche et/ou au plan axial de la broche (1).
  6. Adaptateur de bobine (2,2a;8,8a) destiné à être emmanché coaxialement sur une broche (1) comportant une bobine de fil (6) dans une machine textile, et comportant un corps de base cylindrique creux servant à loger la broche (1), et un ou plusieurs moyens d'encliquetage (8,19,27), déplaçables au moins en partie obliquement, transversalement et/ou radialement par rapport à l'axe (10) de la broche et/ou au plan axial de la broche et qui sont associés à un dispositif d'encliquetage (13,30) formé dans ou sur la broche, et comportant des dispositifs de guidage et/ou de réglage (7,9,14,15,20,21,22,23,24,28,32), qui sont formés dans et/ou sur la paroi du cylindrique et qui peuvent être actionnés manuellement et/ou de façon externe de telle sorte qu'ils entraínent les moyens d'encliquetage (8,19,27) selon des déplacements (33) en direction et à partir de la cavité et/ou en direction et à partir de la broche (10) du corps de base, caractérisé en ce que les moyens d'encliquetage sont réalisés sous la forme d'éléments roulants (19), qui sont guidés axialement ou parallèles (23) à l'axe dans ou sur la paroi du corps de base et sont guidés au moins en partie radialement, obliquement (24) et/ou transversalement par rapport à l'axe (10) de la broche et/ou au plan externe de la broche (1) et sont répartis et disposés en anneau sur la périphérie du cylindre.
  7. Adaptateur selon la revendication 6, caractérisé en ce qu'il est prévu comme dispositif de réglage une bague de sécurité (21) qui est disposée de manière à entourer les éléments roulants (19) est guidée (22) de manière à être déplaçable axialement et comporte, sur le côté intérieur tourné vers les éléments roulants (19), une section (23) parallèle à l'axe et une section (24) oblique par rapport à l'axe (10) du cylindre, ces sections étant disposées l'une derrière l'autre.
  8. Adaptateur selon la revendication 7, caractérisé en ce que la bague de sécurité (21) est chargée par un ou plusieurs éléments de ressorts (22), qui prennent appui sur ou dans le corps de base et sont orientés au moins en partie axialement ou parallèlement à l'axe.
  9. Adaptateur selon l'une des revendications précédentes, caractérisé par un ou plusieurs éléments de ressort (14,28), qui sont reliés selon une liaison active au(x) moyen(s) d'encliquetage (8,27) au moins en partie dans une direction radiale, oblique et/ou transversale par rapport à l'axe (10) de la broche et/ou au plan axial de la broche (1), ou sont intégrés du point de vue construction dans ce ou ces moyens d'encliquetage.
  10. Adaptateur selon l'une des revendications précédentes, caractérisé en ce que le corps de base comporte une partie de verrouillage (3) possédant le ou les moyens d'encliquetage (8,19,30) et une partie (4) d'entraínement de la bobine comprenant des moyens d'accrochage (5) pour la bobine (6), qui sont reliés de manière à être déplaçables axialement les uns par rapport aux autres, un ou plusieurs éléments de ressort (7) axiaux ou parallèles à l'axe étant intercalés entre ces deux parties.
  11. Adaptateur selon l'une des revendications précédentes, caractérisé par un ou plusieurs corps d'équilibrage qui sont dimensionnés de manière à compenser les distributions de masse dissymétriques dans le corps de base de l'adaptateur, notamment dans la partie de verrouillage (3) et/ou dans la partie (4) d'entraínement de la bobine.
  12. Adaptateur selon la revendication 11, caractérisé en ce que les corps d'équilibrage sont agencés sous la forme de butées et/ou de fixations parallèles à l'axe, qui traversent le corps de base de l'adaptateur.
EP96100312A 1995-08-16 1996-01-11 Adaptateur de bobine Expired - Lifetime EP0712802B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19530140 1995-08-16
DE19530140 1995-08-16

Publications (3)

Publication Number Publication Date
EP0712802A2 EP0712802A2 (fr) 1996-05-22
EP0712802A3 EP0712802A3 (fr) 1997-01-08
EP0712802B1 true EP0712802B1 (fr) 2000-03-22

Family

ID=7769628

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96100312A Expired - Lifetime EP0712802B1 (fr) 1995-08-16 1996-01-11 Adaptateur de bobine

Country Status (6)

Country Link
US (1) US5718108A (fr)
EP (1) EP0712802B1 (fr)
JP (1) JPH0952659A (fr)
CN (1) CN1143128A (fr)
AT (1) ATE190964T1 (fr)
DE (2) DE59604715D1 (fr)

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CN102616612A (zh) * 2012-03-31 2012-08-01 镇江耐丝新型材料有限公司 一种不同直径工字轮转换装置
CN102976167A (zh) * 2012-12-03 2013-03-20 吴江市东飞化纤有限公司 组合式纱管
CN104131373A (zh) * 2014-08-08 2014-11-05 湖州市菱湖石淙永盛丝织厂 一种带有减震装置的锭子
CN104131372A (zh) * 2014-08-08 2014-11-05 湖州市菱湖石淙永盛丝织厂 一种可吸震的锭子
US10889460B2 (en) * 2016-11-03 2021-01-12 Eric Martin Ferguson Material handling device
CN106429623A (zh) * 2016-12-02 2017-02-22 张家港特恩驰电缆有限公司 一种气缸式顶轴装置
CN106757579B (zh) * 2016-12-23 2018-11-20 晋中经纬恒腾纺机有限公司 纱管锭子连接器
CN109320055A (zh) * 2018-11-22 2019-02-12 重庆家喜陶瓷制品有限公司合川分公司 一种泡菜坛制造用冲头冷却器
CN113697587B (zh) * 2021-09-17 2023-04-18 绍兴中煜化纤股份有限公司 一种纺织机用纱线架
CN114086295B (zh) * 2021-11-18 2023-12-15 雁峰集团有限公司 一种圆织机用梭子及圆织机

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US4423609A (en) * 1981-12-04 1984-01-03 Osaka Bobbin Kabushiki Kaisha Single-operation type of fastening device for bobbin spacer
US4720986A (en) * 1984-06-12 1988-01-26 Maschinenfabrik Scharer Ag Spool mounting apparatus and method of using the same
IT1183624B (it) * 1985-05-14 1987-10-22 Carlo Menegatto Dispositivo centrifugo di bloccaggio delle bobine
US4762179A (en) * 1986-08-04 1988-08-09 Halliburton Company Pressure assist detonating bar and method for a tubing conveyed perforator
DE9016205U1 (de) * 1990-11-29 1991-02-14 FAG Kugelfischer Georg Schäfer KGaA, 8720 Schweinfurt Spulenhalterung für hochtourige Textilspindeln
US5477709A (en) * 1994-02-28 1995-12-26 Mid-Atlantic Tool & Die, Inc. Locking assembly for securing and sealing spools to a spindle during a dyeing operation

Also Published As

Publication number Publication date
JPH0952659A (ja) 1997-02-25
EP0712802A2 (fr) 1996-05-22
CN1143128A (zh) 1997-02-19
EP0712802A3 (fr) 1997-01-08
DE59604715D1 (de) 2000-04-27
ATE190964T1 (de) 2000-04-15
DE29600744U1 (de) 1996-05-09
US5718108A (en) 1998-02-17

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