EP0863101A2 - Arbre d'enroulement avec accouplement à friction - Google Patents

Arbre d'enroulement avec accouplement à friction Download PDF

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Publication number
EP0863101A2
EP0863101A2 EP98101778A EP98101778A EP0863101A2 EP 0863101 A2 EP0863101 A2 EP 0863101A2 EP 98101778 A EP98101778 A EP 98101778A EP 98101778 A EP98101778 A EP 98101778A EP 0863101 A2 EP0863101 A2 EP 0863101A2
Authority
EP
European Patent Office
Prior art keywords
friction
winding
elements
core
friction elements
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.)
Granted
Application number
EP98101778A
Other languages
German (de)
English (en)
Other versions
EP0863101A3 (fr
EP0863101B1 (fr
Inventor
Hermann Essert
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0863101A2 publication Critical patent/EP0863101A2/fr
Publication of EP0863101A3 publication Critical patent/EP0863101A3/fr
Application granted granted Critical
Publication of EP0863101B1 publication Critical patent/EP0863101B1/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
    • 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
    • B65H75/243—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages actuated by use of a fluid
    • B65H75/2437—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages actuated by use of a fluid comprising a fluid-pressure-actuated elastic member, e.g. a diaphragm or a pneumatic tube
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/10—Mechanisms in which power is applied to web-roll spindle
    • B65H18/106—Mechanisms in which power is applied to web-roll spindle for several juxtaposed strips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2403/00—Power transmission; Driving means
    • B65H2403/70—Clutches; Couplings
    • B65H2403/73—Couplings
    • B65H2403/731—Slip couplings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2403/00—Power transmission; Driving means
    • B65H2403/70—Clutches; Couplings
    • B65H2403/73—Couplings
    • B65H2403/732—Torque limiters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/40—Holders, supports for rolls
    • B65H2405/45—Shafts for winding/unwinding

Definitions

  • the invention relates to a winding shaft for winding band-shaped materials on winding cores with a driven core shaft, friction elements, which the Core shaft surrounded in an annular arrangement, and radial acting clamping elements, which in the operating position Friction between friction elements entrained by the core shaft and manufacture the friction elements by which torque slipping from the core shaft onto the friction elements is transferable, the friction elements are movable outwards in order to be torsionally rigid during operation Connection between the friction elements and the winding core to manufacture.
  • winding shafts with friction elements where a pressure element in the shaft with a Normal force is applied in the radial direction to a Generate friction torque.
  • DE 35 19 380 shows a solution where the frictional torque directly between the winding core and Clamp is generated. Due to the sliding movement directly on The winding core also requires the inner diameter of the winding core an axial guide, e.g. B. by the investment level described there. Since the winding cores are often made of cardboard to be expected with considerable abrasion, which in many cases the Usability of the winding material can destroy. Unfavorable is also that the clamping pieces exactly on the core lengths must be coordinated. A change in the production Widths require repositioning the winding shaft.
  • the object of the invention is to build one simple winding shaft to create the reliable one slip-free entrainment of the winding core with a certain Torque guaranteed.
  • the object is achieved by a winding shaft Solved type described above, in which the clamping elements by means of the radial forces they apply the friction elements radially after the friction elements move outside and bring it into contact with the winding core, and under the radial forces acting in the operating position Clamping elements by the friction pair friction element / friction element Torque transmitted below that of the pairing Friction element / winding core transferable torque lies, so that between the friction element and winding core torsionally rigid entrainment takes place.
  • the advantage of the invention is that a single clamping process both the torque transmission from the core shaft to the friction elements as well clamping the winding core on the friction elements is accomplished. This also ensures that all friction elements in the area of a Core, participate in the torque transmission and specific regardless of the length of the winding cores result in the same trains.
  • the torsionally rigid entrainment of the Winding core does not occur between self-locking effects the winding core and moved relative to this in the direction of rotation Drivers, but solely by pressing of the friction elements on the winding core in radial Direction. Therefore, it can also not get stuck Winding cores come, which means the removal of the winding cores after the winding process is completed by the winding shaft. Clamping the winding core also requires no additional clamping devices, which build the winding shaft would complicate and make it considerably more expensive.
  • winding shaft according to the invention is in that from the core shaft through the friction elements torque that can be transmitted to the friction elements directly via the radial forces exerted by the clamping elements is controllable without one at higher torques fear an uncontrolled jamming of the winding core ought to.
  • the rigid entrainment of the winding shaft can either by Form locking or by friction between the friction elements and the winding core.
  • a friction pairing between the friction elements and the winding core a sufficient frictional connection for torsionally rigid driving generate, it is usually necessary that the friction pairing Friction element / winding core has a coefficient of friction, which is clearly above that of the friction pair friction element / friction element lies.
  • the case is unproblematic, that by increasing the radial forces the core shaft transmitted to the friction elements via the friction elements Torque increased. An increase in radial forces namely increases the maximum transmissible torque at the same time on both friction pairings.
  • the in arranged in the same axial position friction elements a friction ring, which is conveniently between them axially guided with the core shaft rotating support rings is. This will cause the friction ring to move axially and the winding core avoided.
  • the friction ring without or with a joint is in one piece and is made of elastic material. If the friction ring consists of at least two less elastic partial rings, these are preferably by elastic return means preloaded towards their rest position.
  • the elastic restoring means can for example consist of consist of an elastic ring in a circumferential groove wraps around the partial rings.
  • the elastic ring can Part of the friction surface between the friction ring and the winding core form. It makes use of the fact that many are self-elastic Materials such as Rubber, in addition to good and permanent elasticity properties also high friction values have.
  • the friction elements in the direction by elastic means are preloaded with their rest position.
  • These elastic means can e.g. Be spring clips between the friction elements and the support ring provided and torsionally rigid with the latter are connected.
  • One directly on the friction elements Exercised restoring force has the advantage that it has no influence on the balance of forces in the two friction pairings of the friction ring.
  • the return ring is loaded in the operating position however, only the friction elements radially after Inside. Nevertheless, it is ensured that the friction elements during the transition from the operational position to the rest position be taken radially inwards. Preferably this is achieved in that in the operating position between the return ring and the split friction rings there is a radial play that is smaller than the return travel is the friction rings, the expediently the Return ring between two friction rings that can be operated in pairs lies.
  • a preferred embodiment of the invention is furthermore provided that several friction rings axially one behind the other are arranged on the winding shaft. This is due to the fact Calculation that usually several winding cores on a winding shaft to be wound in parallel. It is necessary that speed differences of neighboring cores, the can come from different winding diameters, can be compensated for independently of one another. In addition, should wide winding cores driven by several friction elements to prevent that from affecting bandwidth related winding torque is too small and the tape under too low tension is wound up.
  • the clamping elements from one or more Pressure chambers exist that are under pressure in the operating position a radially outward force exert the friction elements.
  • Such a configuration of the Clamping elements has the advantage that compressed air or Hydraulic fluid easily into the e.g. let hollow shaft initiate. About the pressure of the air or liquid can also be applied to the friction elements exerted radial force and thus the transferable Control torque easily.
  • the elastic pressure chambers which may be individually or in Groups are pressurized to a graded
  • radial clamping force can, for example, in axial grooves in the core shaft and be arranged radially the radial clamping force in the groove on the assigned one- or multi-part friction elements submit.
  • a radial anti-rotation device for the friction elements in relation to the core wave is mandatory, e.g. by rigidly pressing the pressure elements and the friction elements together connected or the friction elements in radial recesses are kept in the core shaft.
  • a particularly simple solution with only one elastic Pressure chamber needs, that the shaft as Hollow shaft is executed and in its cavity the elastic Pressure chamber is arranged in the operating position over in radial through openings in the hollow shaft wall guided pressure elements the radial clamping force on the friction elements exercises.
  • the production of the shaft is also carried out at one such a configuration is considerably simplified.
  • each support ring against the core shaft can be rotated into a position in which the associated friction elements even with activated clamping elements are blocked. This can e.g. with help of a Support ring happen, one of the on its inner circumference Corresponding number of pressure elements distributed over the circumference Number of recesses in which parts the pressure elements can be inserted to reach the operating position are.
  • each support ring is provided with a marking which indicates the relative position with respect to the adjacent support rings or if the Mark is a hole that indicates relative to the core shaft.
  • a preferred development of the invention provides that over the length of the winding shaft on the outside of the Support rings rotatably mounted at least two guide rings are whose outer diameter is slightly smaller than that Inner diameter of the winding cores, however larger than the maximum Outside diameter of the support rings is.
  • the guide rings offer the advantage that the winding cores even in Resting friction elements already quite can be centered exactly on the winding shaft. Otherwise it can happen that during the transition to the operating position not all friction elements have the same radial Travel away before hitting the inside surface of the Tension the winding core, resulting in an eccentric tensioning the winding cores can lead. It is expedient between two friction rings, one guide ring each, whereby for space reasons for the storage of the guide rings Needle bearings are appropriate.
  • a Product roll 14 consists of a winding core 16 and web-shaped Winding material 18 and can be in any position - depending after cutting division - on the longitudinal axis of the friction winding shaft 10 may be arranged. In the example shown does not close the roller 14 on the right side with the Limit of the friction ring 12.1 there.
  • the friction winding shaft 10 has a core shaft 20 and several expandable, each inserted in a groove 22 elastic pressure chambers 24 (Fig. 2).
  • This elastic Pressure chambers 24 act on the friction rings 12 by the radial pressure forces via pressure elements 26 on friction elements 28 are transmitted.
  • the friction elements 28 give this Radial pressure in turn on the friction rings 12 to the outside continue and clamp the winding core 16 firmly.
  • the friction rings 12 have at least one parting line on the circumference 30, so that they or in the example the sub-rings 32 under the radial force can be moved outwards.
  • the division joint 30 should be oblique to the end face of the friction elements 28 run so that the torque transmission from the friction elements 28 on the friction rings 12 if possible done smoothly.
  • the friction rings 12 are replaced by others elastic rings 34 (e.g. O-rings) held together on the outer circumference. This can also reduce the friction between the friction ring 12 and winding core 16 can be increased.
  • the friction rings 12 are axially guided in support rings 36.
  • the Support rings 36 are rotatably connected to the core shaft 20.
  • Elastic elements 38 are supported on the support rings 36 (e.g. spring clip) (see also Fig. 3) when relaxing the pressure chambers 24 via the friction elements, the pressure elements Push back 26 and the air from the pressure chambers oust.
  • the elastic elements 38 are preferably 38 integrally formed with the friction elements 28. So that can the elastic rings 34, the friction rings 12 on the Squeeze minimum diameter and the winding core 16 release for loading and unloading the product roll 14.
  • the radial pressure force required for resetting can also be applied solely by the elastic rings 34. However, part of the radial force is not available for clamping the winding core 16, but only acts between the friction elements 28 and the friction rings 12th
  • the support rings 36 bring about an axial fixation of the friction rings 12 and serve as abutments for the elastic Elements 38.
  • the support rings 36 can be adjacent Friction rings 12 are also combined to form a support ring 136 be.
  • the friction rings 12, which are outside of the core 16 overlapped area must not be switched off will.
  • pressure chambers 24 are acted upon the pressure elements 26 are pressed against the support rings 36.
  • the friction rings 12 expand to the maximum Diameter, but after releasing the pressure in the Pressure chambers 24 moved back to the minimum diameter and give the way to take the finished wound Roll 14 free.
  • a division of the friction rings 12 is not necessary if the rings are made of a sufficiently elastic material are made, possibly with an internal friction surface appropriate material is coated, which is the vote the coefficient of friction between the outside and inside diameter that the necessary relative movement is always on the inside diameter the friction rings 12 and not between the friction ring 12 and winding core 16 takes place.
  • Fig. 2 shows a cross section in plane I-I in Figure 1.
  • Die Friction elements 28 are radial at both ends to the shaft center angled, each of these bends 42 protrudes into a shaft groove 44. This results in a positive torque transmission from the core shaft 20 to the friction elements 28.
  • the friction elements 28 can by the pressure chambers 24 outgoing normal forces according to the existing ones Coefficients of friction between the friction elements 28 and Friction rings 12 transmit frictional forces. Because of the different Inner diameter of the friction ring and the Winding core and by selecting the coefficients of friction (materials) can slip between the friction rings 12 and the Winding core 16 can be avoided.
  • the axial guidance of the divided friction rings 12 takes place about the support rings 36.
  • the support rings 36 have on the circumference axially extending recesses 46, the one Represent movement space for the pressure elements 26.
  • FIG. 3 shows a cross section in plane II-II in FIG. 1.
  • the support rings 36 are approximately 60 ° relative to the support rings twisted in Fig. 1.
  • the friction element 12 is switched off, as described in Fig. 1.
  • the spring elements shown as a spring clip 38 through holes 48 are secured in the support ring 36 against rotation. It are other spring elements (e.g. rubber blocks, coil springs, Ring springs) conceivable.
  • Fig. 4 shows a variant for the support rings 236 in the at least one flat one on the inner circumference of the support rings 236 Groove 50 is provided.
  • This groove 50 causes the off State the pressure element 26 under pressure engages in the groove 50 and an unintentional Twisting the support rings 236 and thus switching on the respective friction element is prevented.
  • This locking function could also be provided by other institutions (e.g. a Ball catch) can be realized.
  • Fig. 5 shows a version in which the friction rings 12 in several parts are dissolved.
  • the divided on the circumference Friction rings 112 are not replaced by an elastic one Ring held together.
  • the one divided on the circumference, on the friction elements 28 adjacent ring 52 is in connection with a Spring element 54 designed so that when the pressure chamber is relaxed 24 the entire pressure system, consisting of the Pressure elements 26, the friction elements 28 and the two divided Friction rings 112 pressed so far radially inwards the outer circumference of the friction rings 112 does not project beyond the outer circumference of the support rings 36.
  • By the assignment of the reset function to a separate one Return ring 52 ensures that the torque transmission necessary normal force also completely as Tension is passed to the winding core 16 what causes a secure fixation of the winding core 16.
  • the elastic Element 34 can thus be omitted.
  • the friction rings 112 on Circumference 56 also with a material with a high coefficient of friction or be profiled.
  • the support rings 36 are provided with a recess 58 for receiving rolling elements 60 (for example needle bearings) and a guide ring 61 which is matched to the inner diameter of the winding core.
  • rolling elements 60 for example needle bearings
  • guide ring 61 which is matched to the inner diameter of the winding core.
  • the radial bearing thus formed brings about better concentricity of the product roll 14.
  • FIG. 6 shows an embodiment in which the friction elements and pressure elements (FIG. 2) are connected to form a component 62. The torque is thus transmitted from the groove 22 to the component 62 and further to the friction ring 12.
  • the grooves 44 can thus be omitted.
  • Fig. 7 shows an embodiment in which the pressure element 26 is designed as a U-shaped part 126.
  • the pressure chamber 24 is inserted into this part 126. This allows the groove 122 be carried out correspondingly less deep.
  • Fig. 8 shows an embodiment in which the pressure chamber 124 not housed in a groove, but in a flat 64 is.
  • the pressure element is there as a pipe segment 226 executed.
  • the recess not shown in this figure 46 in support ring 36 must be adjusted accordingly.
  • Fig. 9 shows an embodiment in which the pressure chamber 224 almost over the entire area of the friction element 28 extends.
  • Fig. 10 shows an embodiment in which the pressure chamber arranged as a common chamber 324 in the middle of the shaft is.
  • the support rings 36 are provided with a recess 58 for receiving rolling elements 60 (for example needle bearings) and a guide ring 61 which is matched to the inner diameter of the winding core.
  • rolling elements 60 for example needle bearings
  • guide ring 61 which is matched to the inner diameter of the winding core.
  • the radial bearing thus formed brings about better concentricity of the product roll 14.
  • FIG. 6 shows an embodiment in which the friction elements and pressure elements (FIG. 2) are connected to form a component 62. The torque is thus transmitted from the groove 22 to the component 62 and further to the friction ring 12.
  • the grooves 44 can thus be omitted.
  • Fig. 7 shows an embodiment in which the pressure element 26 is designed as a U-shaped part 126.
  • the pressure chamber 24 is inserted into this part 126. This allows the groove 122 be carried out correspondingly less deep.
  • Fig. 8 shows an embodiment in which the pressure chamber 124 not housed in a groove, but in a flat 64 is.
  • the pressure element is there as a pipe segment 226 executed.
  • the recess not shown in this figure 46 in support ring 36 must be adjusted accordingly.
  • Fig. 9 shows an embodiment in which the pressure chamber 224 almost over the entire area of the friction element 28 extends.
  • Fig. 10 shows an embodiment in which the pressure chamber arranged as a common chamber 324 in the middle of the shaft is.
  • the transfer of the compressive forces to the friction elements 66 takes place through the pressure piece 68.
  • Both elements connected with each other are no further grooves for torque transmission necessary.
  • FIG. 11 shows a longitudinal cutting machine 70 in which two friction winding shafts 10 for winding the product rolls 14 are provided.
  • the winding material 18 is with the help of a very simplified main drive 72 shown by one Mother roll 74 unwound and at a constant speed fed to a cutting unit 76.
  • a drive (not shown) of the two friction winding shafts 10 ensures that the winding speed of the friction winding shaft is always higher than the winding speed the product rolls 14. This results in a relative movement between the friction elements and the friction elements and thus the desired torque build-up for the individual product roles. Differences in diameter can without the torques increasing undesirably by Compensation of winding speed adjustment of the product rolls will.
  • the amount of torque for each one Product roll results from that corresponding to the core length Number of friction elements engaged.
  • the functional units Pressure chamber, pressure element, friction element etc. always arranged three times on the shaft circumference. This is meant to be exemplary only and not be mandatory for problem solving.
  • the number of friction rings 12 is also not fixed.

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EP98101778A 1997-03-06 1998-02-03 Arbre d'enroulement avec accouplement à friction Expired - Lifetime EP0863101B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19709078A DE19709078C2 (de) 1997-03-06 1997-03-06 Friktionswickelwelle
DE19709078 1997-03-06

Publications (3)

Publication Number Publication Date
EP0863101A2 true EP0863101A2 (fr) 1998-09-09
EP0863101A3 EP0863101A3 (fr) 1999-10-20
EP0863101B1 EP0863101B1 (fr) 2002-11-20

Family

ID=7822385

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98101778A Expired - Lifetime EP0863101B1 (fr) 1997-03-06 1998-02-03 Arbre d'enroulement avec accouplement à friction

Country Status (3)

Country Link
US (1) US5971314A (fr)
EP (1) EP0863101B1 (fr)
DE (2) DE19709078C2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002068304A1 (fr) * 2001-02-24 2002-09-06 Wt Wickeltechnik Gmbh Arbre d'enroulement pour l'enroulement de materiaux en bande
EP1655258A3 (fr) * 2004-11-05 2007-05-09 Hermann Essert Elément de friction
EP2484613A3 (fr) * 2011-02-04 2012-12-26 Multivac Sepp Haggenmüller GmbH & Co. KG Enrouleur pour l'enroulement de restes de feuilles

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GB9815016D0 (en) * 1998-07-13 1998-09-09 Self Timothy Method and apparatus for rewinding
DE19921637A1 (de) * 1999-05-10 2000-11-16 Friedrich Richter Friktionswickelwelle
DE19940665A1 (de) * 1999-08-27 2001-04-05 Voith Paper Patent Gmbh Rollenwickeleinrichtung und Aufwickelverfahren
US6267318B1 (en) * 1999-08-30 2001-07-31 Convertech, Inc. Differential winding rate core winding apparatus
DE10151860B4 (de) * 2001-10-24 2004-01-29 Saueressig Gmbh & Co. Spannwelle, System aus Spannwelle und Hülse und Rotationsdruckmaschine sowie Verfahren zur dynamischen Stabilisierung einer Spannwelle
DE102005031265A1 (de) * 2005-07-05 2007-01-18 Sms Demag Ag Spreizbarer Haspeldorn
DE102007011252B4 (de) 2007-03-08 2011-04-28 Saueressig Gmbh & Co. Sleeve und Spannwerkzeug zur Verwendung in einem System aus einem Spannwerkzeug und mindestens einer Sleeve sowie Verfahren zum Herstellen einer Sleeve
US20080237388A1 (en) * 2007-03-27 2008-10-02 Convertech, Inc. Differential core winding apparatus
DE202010000100U1 (de) 2010-01-29 2011-03-10 Arens, Werner Friktionsringelement
CN106904499B (zh) * 2017-03-29 2019-04-23 佛山市宇竞科技有限公司 一种双气路滑差轴

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WO1990008089A1 (fr) * 1989-01-14 1990-07-26 Sundwiger Eisenhütte Maschinenfabrik Grah & Co. Dispositif pour le partage longitudinal d'un feuillard et l'enroulement des bandes du feuillard ainsi partage
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002068304A1 (fr) * 2001-02-24 2002-09-06 Wt Wickeltechnik Gmbh Arbre d'enroulement pour l'enroulement de materiaux en bande
DE10109104A1 (de) * 2001-02-24 2002-09-12 Wt Wickeltechnik Gmbh Wickelwelle zum Aufwickeln von bandförmigen Materialien
DE10109104C2 (de) * 2001-02-24 2003-03-20 Wt Wickeltechnik Gmbh Wickelwelle zum Aufwickeln von bandförmigen Materialien
US6729571B2 (en) 2001-02-24 2004-05-04 Wt Wickeltechnik Gmbh Winding shaft for winding strip-type materials
EP1655258A3 (fr) * 2004-11-05 2007-05-09 Hermann Essert Elément de friction
EP2484613A3 (fr) * 2011-02-04 2012-12-26 Multivac Sepp Haggenmüller GmbH & Co. KG Enrouleur pour l'enroulement de restes de feuilles
US8998122B2 (en) 2011-02-04 2015-04-07 Multivac Sepp Haggenmueller Gmbh & Co. Kg Winder for film trim winding

Also Published As

Publication number Publication date
EP0863101A3 (fr) 1999-10-20
DE59806305D1 (de) 2003-01-02
DE19709078C2 (de) 2002-07-18
US5971314A (en) 1999-10-26
EP0863101B1 (fr) 2002-11-20
DE19709078A1 (de) 1998-09-17

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