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
  • B65H19/00—Changing the web roll
  • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
  • B65H19/2238—The web roll being driven by a winding mechanism of the nip or tangential drive type
  • B65H19/2253—The web roll being driven by a winding mechanism of the nip or tangential drive type and the roll being displaced during the winding operation
  • B65H19/2261—Pope-roller
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H19/00—Changing the web roll
  • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
  • B65H19/2207—Changing the web roll in winding mechanisms or in connection with winding operations the web roll being driven by a winding mechanism of the centre or core drive type
  • B65H19/223—Changing the web roll in winding mechanisms or in connection with winding operations the web roll being driven by a winding mechanism of the centre or core drive type with roll supports being independently displaceable along a common path
• • 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
  • B65H2301/413—Supporting web roll
  • B65H2301/41308—Releasably clamping the web roll shaft
• • 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
  • B65H2301/413—Supporting web roll
  • B65H2301/4136—Mounting arrangements not otherwise provided for
  • B65H2301/41361—Mounting arrangements not otherwise provided for sequentially used roll supports for the same web roll
• • 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
  • B65H2301/4146—Winding involving particular drive arrangement
  • B65H2301/41466—Winding involving particular drive arrangement combinations of drives
  • B65H2301/41468—Winding involving particular drive arrangement combinations of drives centre and nip drive
• • 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
  • B65H2405/42—Supports for rolls fully removable from the handling machine
  • B65H2405/422—Trolley, cart, i.e. support movable on floor
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H2408/00—Specific machines
  • B65H2408/20—Specific machines for handling web(s)
  • B65H2408/23—Winding machines
  • B65H2408/233—Central support turret
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H2408/00—Specific machines
  • B65H2408/20—Specific machines for handling web(s)
  • B65H2408/23—Winding machines
  • B65H2408/236—Pope-winders with first winding on an arc of circle and secondary winding along rails

Definitions

• the invention relates to a device for winding film, paper and the like material webs running continuously over guide rollers on a winding shaft according to the preamble of claim 1.
• the invention is concerned with the problem of creating a device for winding material webs of the type mentioned, on the winding shaft of which, with little technical effort, optimal pressure and take-over conditions are ensured during all winding phases, and a quick change to the continuous feeding of subsequent ones with little adjustment effort Winding shafts can be carried out and variable and fail-safe control of the winding shaft is possible with a small space requirement during a roll transfer.
• the invention solves this problem with a device for winding material webs with the characterizing features of claim 1.
• a device for winding material webs with the characterizing features of claim 1.
• claims 2 to 28 With regard to further essential configurations of the device according to the invention, reference is made to claims 2 to 28.
• the device according to the invention has on its device frame parts two support brackets designed as a swivel arm, which are provided as a functional unit integrated in the machine control both for handling the winding shaft when feeding in and out in the winding area and for movement control when generating a full material roll.
• the winding shaft is supported on the two swivel arms by means of a radially displaceable holding device and at the same time the swivel arms in turn can be swiveled about the central longitudinal axis of the counter-roll forming a central axis of the device, so that different operating positions can be reached for the supplied winding shaft and for the material roll in the winding phase optimal recording conditions for the material web can be generated from two superimposed active movements.
• a computer unit which interacts with the drive elements in the area of the swivel arms, is provided for controlling the swiveling and linear movements of the winding roll, via which the material material values of the material web recorded and information on the current diameter of the material roll are processed and the weight of the material roll is calculated.
• an optimal contact pressure can be generated in the transfer area of the material web with this data.
• a simple and infinitely variable angle adjustment of the swivel arms is used and, with the respective radial distance from the counter roller, a force component that can be derived from the polar coordinates of the material roll is generated in the direction of the counter roller, so that the winding process can be optimally controlled during the entire winding time.
• the winding shaft captured by the holding device is displaced radially away from the counter-roller during winding by means of a linear drive and, for the angular adjustment of the swivel arms, these are connected in an expedient manner to an actuator by means of a toothed ring and a drive pinion engaging in them.
• the swivel arms have a swivel range of more than 140 ° in the device, but can also be shifted steplessly in sub-areas of less than 1 °, so that in particular in the vicinity of a horizontal machine longitudinal plane running through the swivel axis, the swivel arms can be continuously and finely adjusted is.
• the holding device for the winding shaft has these detachable receiving recesses, in which the winding shaft is held when the swivel arms are swiveled up to a waiting position above the operating range of the device. After reaching this position, the winding shaft can be taken over by supporting parts and fixed in a parking position. These support parts interact with a change and winding device, also connected to the control of the device, which takes over the respective winding shaft from the waiting position and shifts it towards the counter-roller for winding a new starting area of the material web.
• the swivel arms of the support beam take over the angular shaft, which in the meantime carries a partial material roll, again in the holding device, which can be displaced linearly on the swivel arms in order to produce a full material roll.
• the swivel arms are pivoted into an essentially horizontal working position, in which the one described above and the one using the swivel arms is used
• Control process is triggered via the computer integrated in the operating parts of the device.
• the winding is monitored via appropriate sensor data, so that a trouble-free winding process is ensured even at high winding speeds of, for example, more than 100 m / min.
• the full material roll, wound up to its maximum take-up state, can be taken over after the separation of the material web with little effort by a lifting truck which can be moved below the swivel arms, with good accessibility being achieved in the area of the device by means of the swivel arms which are shifted into a position close to the ground.
• the second winding shaft fed from the waiting position after the cut of the material web from the waiting position is already integrated in the winding process, with a winding drive of lower drive power being effective .
• the swivel arms fitted with the next following winding shaft at the same time shift this winding shaft into the waiting position and then the receiving parts of the holding device are shifted towards the winding shaft which is in the winding phase.
• a main drive provided as a central drive is activated in the region of the winding shaft which is already rotating in the winding operation by means of an auxiliary drive, and is taken over by the swivel arms or the holding device.
• the winding drive which was effective as an auxiliary drive, can now be driven and at the same time the greater drive torque of the central drive connected as the main drive becomes effective.
• a continuous winding process is thus achieved overall, the continuation of which with the already described angular and radial control in the transfer area to the material roll is continued until the full material roll is reached.
• FIG. 1 is a side view of a device equipped with several winding shafts for winding a material web
• FIG. 2 is a side view similar to FIG. 1 when one of the winding shafts is shifted into an upper parking position
• FIG. 3 is a side view similar to FIG. 1 when one of the winding shafts is taken over from a winding device
• FIG. 4 shows a side view similar to FIG. 3 with the assembly shifted into a winding position for producing a full material roll
• 5 is a side view similar to FIG. 4 with the full material roll after the separation of the material web
• 6 shows a side view similar to FIG. 5 with the solid material roll and the subsequent winding roll shifted into the winding position
• FIG. 7 is a side view similar to FIG. 6 with a transport device in the form of a lifting truck taking over the full material roll,
• FIG. 8 is an enlarged detail view in the side area of the winding roll with the winding drives according to a line Vlll-Vlll in Fig. 1,
• FIG. 9 is a side view of the device similar to FIG. 6, wherein this is provided in the area of the counter roll with a pressure device,
• FIG. 1 shows a device, generally designated 1, for winding up a web of material 2 indicated by a dash-dot line, in particular considering continuously conveyed film or paper webs is, which get into the device 1 in a feed direction (arrow T).
• the material web 2 is guided via respective unspecified guide and contact rollers 3, 3 'into the device 1, which has a front side frame 4 and a rear side frame part 5, and is guided to a counter roller 6, which in the illustrated embodiment is counterclockwise is driven (arrow A).
• This counter roller 6 cooperates on the circumferential side with a rotatable (arrow A ', FIG. 6) and supported within the device 1 displaceably supported winding shaft 7, which is provided with a winding tube W for the continuous winding of the material web 2. It is also conceivable that the counter roller 6 can be rotated clockwise.
• the device 1 has a support for the winding shaft 7, which can be linearly displaced by a pivotable movement about a central transverse axis B of the device 1 (pivoting movement according to arrow D, FIG. 2) and the winding shaft 7 (arrow C, FIG. 4 ) receiving support unit 9 is formed.
• the carrying unit 9 is supported in the embodiment shown in FIGS. 1 to 7 in the area of the frame parts 4 and 5 in such a way that the linear displacement of the winding shaft 7 (FIG.
• a swivel angle defined to a horizontal plane E of the device 1 can be controlled together with the linear displacement C at least while the material web 2 is being wound into a solid material roll F (FIG. 5).
• the device 1 is provided with an electronic control unit 10, which has an integrated computer unit and enables automatic monitoring of the winding process.
• the central longitudinal axis of the counter roller 6 forms the central transverse axis B and the winding shaft 7 is adjustably mounted on the support unit 9 in its radial distance from the counter roller 6 provided as a contact roller.
• the support unit 9 has two swivel arms 11, 11 '(at least not visible in the side view) for receiving the winding shaft 7 in the device 1 at least partially integrated into the device 1 and pivotably mounted about the axis B of the counter-roller 6 in the opposite device frame parts 4 and 5.
• At least one holding device 12 which supports the winding shaft 7 in a linearly displaceable manner is guided on these swivel arms 11, 11 '(FIG. 1), one of the holding devices 12 being expediently provided on each of the swivel arms 11, 11'.
• FIGS. 7 and 3 illustrates that these can be swiveled up from a near-ground operating position (FIG. 7) by means of a swivel drive 13 (FIG. 2, FIG. 3) and here from the holding device 12 releasable winding shaft 7 in the area of a take-up device 14 taking it up above the counter roller 6 can be displaced (FIG. 5).
• the winding device 14 in turn, together with the winding shaft 7 taken over, can be displaced radially toward the counter-roller 6 by means of a feed drive 15 (FIG. 6).
• the winding shaft 7 ' is shifted by means of the swivel arms 11, 1 into an upper waiting position (swivel movement according to arrow D), here from the holding device 12 by at least one support part taken in the form of a holder 16 with counter-profile part 16 'carrying device 17 and held by means of a drive cylinder 17'. From this support device 17, the winding shaft 7 can be taken over by the winding device 14 in accordance with the control program and displaced radially towards the counter-roller 6 (arrow H, FIG. 5, FIG. 6).
• the winding shaft 7 can be removed from the winding device 14 again at a later point in time by means of the holding device 12 also guided to the counter-roller 6 on the swivel arms 11, 11 '(FIG. 2, thin line representation).
• a partial material roll K (FIG. 2, FIG. 3) formed in the meantime is transferred to the swivel arms 11, 11 'and these can then be swiveled back into an essentially horizontal winding position (FIG. 4) (arrow X, FIG. 3).
• FIG. 4 For a continuous implementation of the winding process, the simultaneous use of two winding shafts 7, 7 'is necessary, the winding shaft inserted first being designated 7 and the next following shaft being highlighted with the abbreviation 7'.
• the winding shaft 7 forming the partial material roll K is already in the winding device 14 and the next following winding shaft 7 'is swiveled up in the arrow direction D in accordance with the thinner line illustration and fixed in the holding device 17 in the waiting position. Then the swivel arms 11, 11 'can be swiveled back out of the transfer position (arrow L) and the holding device 12 can be displaced linearly in an arrow direction N towards the counter-roller 6. The holding device 12 thus comes into the vicinity of the winding device 14, on which the first winding shaft 7 having the partial material roll K rotates in the operating position.
• the holding device 12 is positioned on the swivel arm 11, 11 'in such a way that a holding part 18 of the winding device 14 for the winding roll 7 having a drive 18' has a transfer position located on a common radius R with the holding device 12 (FIG. 2) and by a brief swiveling movement of the swivel arms 11, 11 'in the direction of arrow D ", the winding roll 7 (FIG. 3) is taken over in the holding device 12. Then the swivel arms 11, 11' can be moved in a swivel direction X to the horizontal plane E. 3 (Fig. 3), the control unit simultaneously determining an optimal angular position for the winding process (Fig. 4).
• the winding device 14 has an auxiliary drive 26 (FIG. 8), by means of which a new beginning of the material web 2 formed after a separating cut can be grasped by the winding shaft 7 and in the region of the swivel arms 11, 11 'a center drive 27 provided as a winding drive is arranged. with which the large weight roll growing to the full material roll F can be rotated.
• the drive powers of the center drive 27 and the auxiliary drive 26 in the area of the winding device 14 can be controlled simultaneously by means of the system control, this regulation in particular in the transfer torque of the winding shaft 7 from the winding device 14 into the holding device described above and explained with reference to FIGS. 2 and 3 12 is required.
• the control takes place in such a way that the auxiliary drive 26 is switched off synchronously with the increasing drive torque when the center drive 27 is switched on.
• a full material roll F is produced on the winding shaft 7 and the winding device 14 has already been shifted to the support device 17 located above for its subsequent change process in order to remove the next winding shaft 7 'from the waiting position.
• This removal process is completed in the control phase shown in FIG. 6 and the winding device 14 is linearly displaced by means of its feed drive 15 from the upper takeover position, which detects the winding shaft 7 'by means of the holding parts 18, into the winding position towards the counter roller 6 (arrow H).
• the separating cut (not shown in more detail) for the material web 2 takes place in the region of the counter-roller 6, for which purpose a cutting device of known type which is arranged in the latter and is not shown in detail is activated.
• the control of the device 1 prepares the extension of the full material roll F from the device 1.
• the swivel arms 11, 11 ' are connected in the horizontal travel range of the holding device 12 to a pulling device 21 provided for transferring the full material roll F (FIG. 1).
• the pulling device 21 is supported in the area of the rear frame part 5 and can grasp the winding shaft 7, which is shifted in its area in accordance with the linear feed movement C, with the solid material roll F (FIG. 7).
• the winding shaft 7 is gripped and fixed after it has been displaced in the direction of arrow S ', so that the swivel arm 11 can then be moved into the lowering position near the ground shown in FIG.
• the weight of the full material roll F lies completely on the undercarriage 24 and this can be moved out of the device 1 perpendicular to the plane of the illustration.
• a new sleeve W is then pushed onto the winding sleeve 7 'which is still fixed in the pulling device 21 and the continuous winding process is continued, starting with FIG. 2.
• the length of the winding shafts 7, 7 ' is preferably designed for a working width of 1600 mm, although provision is also made to wind up material webs 2 with working widths of up to 4000 mm. Therefore, for such devices (not shown) in the area of the pulling device 21 there is additionally a support assembly which cooperates with the latter by the control and which engages under the then released winding shaft 7 during or after moving the full material roll F out of the device 1 that this is held securely even with great length. It is conceivable that the support assembly is held on a crossbar above the work area and can be pivoted into the support position.
• the device 1 described above forms a compact winding machine which, with a small footprint and a comparatively small number of operating parts, enables the winding of a wide variety of materials and roll sizes.
• the control unit 10 used in this case is particularly efficient in that, with the angle-adjustable swivel arms 11, 11 ', the known XY- Control program replacing the coordinate system can be used on the basis of polar coordinates.
• Corresponding control signals are calculated from the distance dimension of the winding roller 7 in the arrow direction C and the inclined position of the winding shaft according to the arrow direction D.
• FIG. 8 shows the center drive 27 in its connecting position with the winding shaft 7, it being clear that a drive shaft 33 which is axially displaceable in the direction of the arrow 32 is provided on a drive motor 31.
• This drive shaft 33 in turn has a driver 34 on the end face, which forms an axially releasable connection by means of a toothing 35 located on the winding shaft 7.
• the winding device 14 also shown in more detail in FIG. 8, has a drive motor 36 in the region of the auxiliary drive 26, which engages on an external toothing 39 of the winding shaft 7 by means of a pinion 37 and a turning wheel 38.
• a drive with a toothed belt, a friction wheel or similar components is also conceivable.
• the winding device 14 is connected in the region of its feed device 15 to the frame part 4 by a guide 40 and the holding part 18 can be actuated by means of a pressure cylinder 41.
• a drive assembly 42 forming the swivel drive 13 is provided for driving the swivel arms 11, 1 (FIG. 1), which by means of a drive pinion 43 moves into an arc on the underside of the swivel arms 11, 11 '. running toothing 44 engages.
• This concept of the swivel drive 13 is structurally simple and can also be replaced by other drive assemblies.
• the material web 2 can be transferred to the material roll F in the region of the driven counter-roller 6 by a contact winding process. It is also conceivable that a gap-winding process is realized, with a transfer gap between the material roll F and the counter-roller 6 and only the center drive 27 is used to drive the material roll F. In addition, it is possible with the device 1 to carry out the winding process with the above-described contact of the rotating roller parts and, at the same time, to additionally integrate the center drive into the drive concept. A tighter winding process can thus be controlled and the winding density on the material roll F can advantageously be increased with little effort.
• the device 1 (for a better overview without the assembly in the area of the winding device 14) is shown in a side view similar to FIG. 6, this machine design in the area of the counter roller 6 being a Material web 2 '(Fig. 13) with a contact roller 51 in the direction of the outer circumference of the winding shaft 7 shifting pressure device 50.
• the pressing device 50 is pivotally supported in the region of the transverse axis B of the device 1, so that the contact roller 51 is independent of the respective direction of rotation of the counter-roller 6 (counterclockwise direction of rotation: arrow A; clockwise direction of rotation: arrow A ') between the counter-roller 6 and the winding shaft 7, the winding gap 52 (FIG. 12) can be applied to the region of the material web 2 ′ which is in a winding phase.
• the winding gap 52 between the counter roller 6 and the winding shaft 7 or the wound material web 2 ' can be set by means of the respective modules already described in connection with the design of the device 1 in FIGS. 1 to 8, for example the linear feed element 29. It is conceivable that the dimension of the winding gap 52 is 2 mm to 20 mm, preferably 10 mm, depending on the winding properties of the material to be rolled up.
• FIGS. 9 and 10 show that the pressing device 50 has, in mirror image with respect to the longitudinal plane M of the device, the support roller 51 supporting support leg 53 (or 54, with the opposite components not shown) which rotates around the transverse axis 51 'and which is in the area of a respective one the transverse axis B comprising support ring 55 are held so that the pressure device 50 is freely pivotable about the counter roller 6.
• This support ring 55 is connected to a weight part 56 opposite the contact roller 51, which acts as a weight-compensating component for the contact roller 51.
• the support roller 51 supporting support leg 53 or 54, with the opposite components not shown
• the additional pressure device 50 enables a more precise setting of the contact pressure required in the winding gap 52 (arrow Z, Fig. 11) possible and this can be set in smaller setting steps.
• the contact pressures can be reduced in such a way that they can still be set below the values that have previously been achieved with a pendulum-suspended contact roller (not shown) of a known type.
• the pressing device 50 shown with the weight part 56 in FIG. 9 can be applied to the material web 2 ′ by motor or pneumatically, for which purpose a toothed belt 57 interacts with a swivel drive 58, for example.
• the self-compensating contact roller 51 can be shifted particularly sensitively, the pressure in the direction of the arrow Z being less than 200 N up to 30 N. According to the drive concept, pressure settings of less than 30 N are also conceivable, so that an optimal combination of web tension and contact pressure Z can be set for the most diverse film material, and thus a trouble-free winding process is reliably ensured.
• FIG. 11 shows the basic engagement conditions in the area of the winding gap 52 with the counter-roller 6, which rotates counterclockwise (arrow A).
• the material web 2 is guided to the counter-roller 6 via guide and contact rollers 3, 3 'and through the winding roller 7 in Area of the gap 52 taken over, the winding shaft 7 forms the contact with the contact roller 51 from above or the contact roller 51 contacts the winding shaft 7 from below.
• the diameter 59 (FIG. 12) of the wound material web increases continuously, and by means of the contact roller 51 there is a continuously adapting angular distance 60 to the splitting plane 61 uniform pressure of the material web 2 'in the direction of arrow Z.
• a first winding phase is completed with the contact roller 51 applied to the winding shaft 7 from below, the weight of the winding F 'being equivalent to the diameter 59 and, for example, after a diameter 59 of 400 mm has been reached, the support unit 9 is now above the Horizontal plane E winding roll 7 takes over (similar: sequence according to FIGS. 1 to 5). If the winding process continues continuously, the full winding F shown in FIG. 13 is then reached.
• the contact roller 51 can be shifted to the position shown in FIG. 13 below the horizontal plane E.
• the full roll F is moved in an arrow direction 62 away from the counter-roller 6 and fed to the undercarriage 24 with the support plate 25 for disposal (FIG. 9).
• the application device 50 or the application roller 51 is pivoted back by means of the drive 58 in an arrow direction 63, so that the 11 is reached after a short swivel time and the winding process is continued with the new winding shaft 7 '.
• FIG. 14 to 16 show a second winding situation which is comparable with the components described above, in which the counter-roller 6 has the clockwise direction of rotation (arrow A ").
• the contact roller 51 ' is applied to the winding shaft 7 from above for the full winding F (FIG. 16), the winding of the material web 2 increases, so that the contact roller 51 'only rotates by a swivel angle 64 above the horizontal plane E corresponding to the winding phase (FIG. 14: winding; FIG. 15: winding in the winding device 14; 16: Coil F 'taken over by support unit 9.
• the contact roller 51' can be pivoted back into its starting position (Fig.

Landscapes

• Replacement Of Web Rolls (AREA)
• Winding Of Webs (AREA)
• Storage Of Web-Like Or Filamentary Materials (AREA)

Applications Claiming Priority (3)

Publications (2)

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• 2001
  • 2001-10-24 DE DE20117248U patent/DE20117248U1/de not_active Expired - Lifetime
• 2002
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  • 2002-10-24 WO PCT/EP2002/011908 patent/WO2003035523A1/fr active IP Right Grant
  • 2002-10-24 CA CA002464484A patent/CA2464484A1/fr not_active Abandoned
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  • 2002-10-24 DE DE50205537T patent/DE50205537D1/de not_active Expired - Lifetime
  • 2002-10-24 EP EP02782997A patent/EP1438248B1/fr not_active Expired - Lifetime
  • 2002-10-24 AT AT02782997T patent/ATE314992T1/de not_active IP Right Cessation
  • 2002-10-24 JP JP2003538045A patent/JP2005509574A/ja active Pending

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