EP0505515A1 - Rotating winder for stranding products and process for regulating the rotation speed of such a winder. - Google Patents
Rotating winder for stranding products and process for regulating the rotation speed of such a winder.Info
- Publication number
- EP0505515A1 EP0505515A1 EP91913982A EP91913982A EP0505515A1 EP 0505515 A1 EP0505515 A1 EP 0505515A1 EP 91913982 A EP91913982 A EP 91913982A EP 91913982 A EP91913982 A EP 91913982A EP 0505515 A1 EP0505515 A1 EP 0505515A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- laying
- rotation
- axis
- fork
- 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
Links
- 238000000034 method Methods 0.000 title claims description 16
- 230000008569 process Effects 0.000 title description 12
- 230000001105 regulatory effect Effects 0.000 title description 2
- 238000004804 winding Methods 0.000 claims abstract description 81
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 9
- 230000005484 gravity Effects 0.000 description 8
- 238000010276 construction Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 230000009467 reduction Effects 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005021 gait Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
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
- B65H54/28—Traversing devices; Package-shaping arrangements
- B65H54/2821—Traversing devices driven by belts or chains
-
- 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
- B65H54/28—Traversing devices; Package-shaping arrangements
- B65H54/2848—Arrangements for aligned winding
- B65H54/2851—Arrangements for aligned winding by pressing the material being wound against the drum, flange or already wound material, e.g. by fingers or rollers; guides moved by the already wound material
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B3/00—General-purpose machines or apparatus for producing twisted ropes or cables from component strands of the same or different material
- D07B3/08—General-purpose machines or apparatus for producing twisted ropes or cables from component strands of the same or different material in which the take-up reel rotates about the axis of the rope or cable or in which a guide member rotates about the axis of the rope or cable to guide the rope or cable on the take-up reel in fixed position and the supply reels are fixed in position
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
- D07B7/02—Machine details; Auxiliary devices
- D07B7/10—Devices for taking-up or winding the finished rope or cable
-
- 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
- B65H2601/10—Ensuring correct operation
- B65H2601/12—Compensating; Taking-up
- B65H2601/124—Unbalance
Definitions
- the invention relates to a rotating rewinder for cables, which has a rotor connected to a drive motor and which is mounted on a machine frame and in which a cable drum is rotatably mounted, which is connected to a drive motor and whose axis of rotation is oriented transversely to the axis of rotation of the rotor, and which is provided with a laying device for the stranded material to be wound, which has a laying fork which can be moved parallel to the axis of the cable drum.
- Rewinders of the type described above are used for large winding drums for winding relatively thick rope material such as cables. Such rewinders are operated at relatively low speeds, since there are uncontrolled mass imbalances during operation, especially when the winding drum is nearly full and half the winding width of the winding drum is reached. The resulting mass imbalances forces that can be between 20 and 50% of the total drum weight, depending on the thickness of the rope material to be wound up.
- the operation at higher speeds has not been possible because of the unbalance forces that occur because, due to the large rotor diameter, it is rotatably supported on the machine frame with its outer surface designed as a race ring, so that when a certain limit speed is exceeded, the rotor is influenced the unbalance forces begins to lift off the rollers.
- a counterweight to the laying fork, attempts have been made to reduce the unbalance (US Pat. No. 2,763,979). However, the drive required for this was so heavy and complicated that a noteworthy increase could not be achieved.
- the invention is based on the object of improving a winder of the type described above in such a way that higher speeds are possible and thus a higher rope and winding performance is achieved.
- the laying device is provided with a counterweight to the laying fork, which is guided in the opposite direction to the laying fork on the laying device, and in that a controllable, preferably electric servomotor is mounted on the rotor and is supported by transmission means is connected for the movement of the laying fork and counterweight, and that switching elements for reversing the direction of rotation of the servomotor are arranged on the rotor in the end region of the movement of the laying fork.
- the arrangement of such a counterweight, which is guided in the opposite direction to the laying fork first of all reduces the imbalances present in the rewinder itself.
- the counterweight is of equal weight to the laying fork and thus, based on the rotor axis of rotation, the centrifugal forces are of the same size.
- the arrangement is preferably provided such that the center of gravity of the laying fork on the one hand and the center of mass of the counterpart importantly, on the other hand, are arranged diametrically with respect to the rotor axis of rotation for each position of the installation fork, so that the winder is largely self-balanced and thus a higher operating speed for the rotor can be specified compared to the previously used rewinders.
- the servomotor is arranged on the rotor itself for the opposite movement of the laying fork and counterweight results in a substantial reduction in the rotor mass, since there are no complicated transmission linkages which can only be guided in the area of the outer circumference of the rotor.
- the preferred embodiment of the servomotor as an electric motor also simplifies the transmission of the drive energy, which can be brought between the frame and the rotor in a simple manner via slip rings which are attached to the rotor.
- the required reversal of the direction of rotation of the motor can then be effected in a simple manner in that switching elements, for example in the form of end position switches, can be arranged in the end region of the movement of the installation fork on the rotor, which are actuated by the installation fork when the relevant rope strand runs on the end plate of the cable drum.
- switching elements for example in the form of end position switches
- the actuating means of the end position changeover switch can be adjusted in the radial direction with respect to the rotor axis of rotation.
- the servomotor is arranged on the rotor in the region of the rotor axis of rotation.
- the servomotor is preferably arranged on the rotor such that its axis of rotation is aligned coaxially, but at least parallel to the axis of rotation of the rotor.
- the arrangement of the servomotor in the region of the rotor axis not only has the advantage that the mass of the servomotor is located with the smallest possible radial distance from the rotor axis and thus the moment of inertia of the rotor can be kept as low as possible.
- Another advantage is that the bearing load on the servomotor rotating with the rotor is influenced by the one acting on it Centrifugal forces can be kept low.
- the counterweight is guided in opposite directions and preferably in a sliding manner parallel to the laying fork on the laying device. This results in a defined opposite movement.
- the transmission means are formed by a flexible, inextensible traction means, which is firmly connected to the laying fork and its counterweight and via edge deflection rollers arranged on the rotor and one arranged in the region of the rotor axis , deflection device connected to the servomotor is guided.
- the traction means is formed by a toothed belt.
- the high tensile strength with low weight which has a toothed belt, has a particularly advantageous effect with regard to a reduction in the rotor mass to be driven.
- the laying fork is arranged on the laying device so as to be pivotable about the rotor axis and the counterweight is designed as an extension of the laying fork beyond the rotor axis of rotation.
- This arrangement has the advantage that no additional bending forces act on the laying device, since the centrifugal forces acting through the laying fork on the one hand and the associated counterweight on the other hand compensate each other directly in one component.
- the further advantage is that no additional transmission means are required for the counter-movement of the counterweight, since the servomotor is located directly in the area of the rotor axis with the laying fork can be connected.
- a proximity switch is arranged on the machine frame, which interacts with the rotor and which is connected to the drive of the rotor in such a way that the rotor drive is switched off when the rotor is lifted off its rollers becomes.
- the proximity switch can be formed by a magnetic-inductive sensor, which triggers a corresponding switching signal when the distance between the sensor attached to the machine frame and the rotor race is changed.
- a pushbutton switch can also be provided, the pushing arm of which rests directly on the rotor race.
- At least one vibration sensor for measuring the vibrations generated by the unbalance of the rotor is arranged on the machine frame, which is connected to a control device for changing the speed of the rotor drive.
- a vibration sensor which is designed as an acceleration, force or displacement meter it may be possible to accelerate the rotor to its maximum permissible speed when specifying an upper limit value for the amplitude at the beginning of the stranding journey and then with increasing winding of the winding drum and the larger resulting with increasing winding diameter
- the invention further relates to a method for regulating the speed of a rotating rewinder for a stranded material which has a rotor connected to a drive, which is mounted on a machine frame and in which a winding drum for winding the stranded material is rotatably and drivably mounted, the axis of rotation of which is oriented transversely to the axis of rotation of the rotor and which is provided with a laying device for the stranded material to be wound, in particular for a winder of the type described above with corresponding counterweights on the laying device.
- the vibrations generated by the unbalance of the rotor are measured and the speed "of the rotor is controlled in a decreasing manner as a function of the amplitude of the vibrations generated so that a predetermined one
- This controlled adjustment can either be tapped purely mechanically-geometrically from the position of the stranded material in the laying fork and the laying fork relative to the drum, or it can be done by measuring the imbalance exerted by the rotor with the aid of a correspondingly controllable additional drive.
- the counterweight is designed as a double weight, the two partial weights being pivotable relative to one another.
- This measure makes it easy to take into account the fact that the unbalance running exclusively in the direction of the winding drum axis of rotation, which arises through the winding process itself, but changes in size and direction, can be compensated for.
- the deflection takes place in the direction of the side of the winding drum that corresponds to the starting winding layer structure has turned away.
- This arrangement also makes it possible to change the angular position of the two counterweights relative to one another with increasing winding diameter, in order to compensate for the balancing force generated by the winding process itself due to the resulting counterforce.
- Fig. 1 is an end view of a rotating shaft
- Fig. 2 is a side view of the arrangement acc. Fig. 1
- FIG. 3 schematically in a front view
- Fig. 4 shows another embodiment for the
- FIG. 5 shows a view of a partially wound winding drum.
- FIG. 1 is a front view of a rotating winder, which essentially consists of a drivable rotor 1 in which a winding drum 2 is rotatably and drivably mounted, the axis of rotation 3 of the winding drum 2 being transverse to the axis of rotation 4 of the rotor is aligned.
- the rotor 1 the structure of which will be explained in more detail with reference to FIG. 2, is provided with a race ring 5, which is supported on support rollers 6, preferably on double rocker rollers arranged in each case, which are attached to a machine frame 8 . As shown in FIG.
- the race 5 is fastened to a fork-shaped frame 9, which is tubular in shape with its end 10 facing away from the race 5 and is mounted in a bearing block 11.
- the stranding material 12 which runs from a fixed or rotating outlet, not shown here, is guided through a stranding nipple arranged in the bearing block 11 and protruding into the tubular end 10 of the fork-shaped frame 9 and through which the drive of the winding drum 2 passes. pulled. Since at the same time the rotor 1 is rotated about the rotor axis of rotation 4 by means of a drive (not shown here in more detail), the stranded material 12 running in from the outlet is stranded with simultaneous winding.
- the speed of the rotor 1 and the speed of the winding drum 2 are here coordinated with one another by means of a control device (not shown here) in such a way that a constant length of lay is maintained during stranding while taking into account the increase in the winding diameter.
- a laying device is always necessary, which essentially, as shown in FIG. 3, consists of a laying fork which is guided back and forth on a sliding guide 13 parallel to the drum rotation axis 3 via a corresponding drive 14 exists.
- the center of gravity of the laying fork 14 is on one side of the rotor axis of rotation 4, with the additional factor that this center of mass S changes its position and also its radial distance from the rotor axis of rotation 4 during the laying process.
- This special construction additionally reinforces the unbalances which form themselves during the laying process on the winding drum in the rotating winders previously used.
- a counterweight 15 is now arranged, the mass and geometry of which is dimensioned such that it is equal in weight to the laying fork with regard to its center of gravity.
- the counterweight in turn is parallel on a sliding guide 16 displaceable to the drum winding axis 3 and in each case counter to the movement of the installation fork 14.
- the arrangement is such that the center of gravity S of the counterweight 15 is at the same distance from the drum axis of rotation 3 and at the same time in every position of the installation fork 14 and the counterweight 15 lie diametrically opposite one another with respect to the rotor axis of rotation 4.
- the rewinder itself is largely balanced in terms of its construction, so that even higher speeds are possible here, which are only limited by the unbalances which form on the winding drum 2 at the beginning of each winding position.
- an electric servomotor 26 is fastened, which is supplied with electrical drive energy in the usual way via a slip ring transmission.
- the drive motor 26 is connected via an intermediate gear 27 to a deflection wheel 28, which is also arranged on the crossbar and axially parallel to the rotor axis 4.
- Deflecting rollers 29 are arranged on the frame in each case in the end region of the slide guide 13 for the laying fork 14 and the slide guide 16 for the counterweight 15.
- the traction means 31 is in each case firmly connected to the laying fork 14 and the counterweight 15, so that the laying fork 14 and the counterweight 15 are forcibly moved in opposite directions, with no slip, when the servomotor 26 rotates accordingly.
- End position switches 32 and 33 are now arranged on the frame 9 in the region of the slide guide 13 and can be actuated via adjustable adjusting fingers 34 and 35 on the laying fork when the latter has reached its end position in relation to the inserted cable drum size. Via the end position switch 32 or 33, the direction of rotation of the servomotor 30 is then reversed.
- FIG. 4 another embodiment is shown, which consists in that an arm-shaped laying fork 17 is pivoted about an axis 18 arranged coaxially in the rotor 1 back and forth via a corresponding drive.
- the associated counterweight 19 is then designed in a simple manner as an extension of the laying fork 17. Since this configuration ensures that the connecting line of the center of gravity of the laying fork on the one hand and the counterweight on the other hand intersects the rotor axis of rotation 4 in each operating position of the installation fork, it is also possible to place the center of gravity of the counterweight 19 closer to the rotor axis of rotation 4. As a result, the balance between laying fork 17 and counterweight 19 is not impaired.
- This arrangement also has the advantage that the mass moment of inertia of the rotor as a whole, which also includes the mass of the laying device, is not significantly increased by the counterweight, so that the acceleration forces required for starting and braking operations are not increased by this measure.
- a servomotor with a correspondingly designed transmission gear can be connected to the pivotable laying fork 17.
- a blind support device 20 ′′ is arranged as a counterweight on the counterweight 15, which is of essentially identical construction and which changes its angular position in the same way as the support guide 20.
- the embodiment according to FIG. Fig. 4 with pivoting laying gait advantageous because during the laying process the orientation of the stranded material resting on the support guide does not change with respect to one another.
- the blind guide 20 'can according to the embodiment. 4 are designed as an additional displaceable weight. Both in the embodiment for the installation fork with counterweight acc. 3 as well as in the embodiment of the laying fork with counterweight acc. 4, it is expedient in an arrangement of the support guide if the support guide itself and its counterweight are directly connected to one another, so that the support guide 20 and the blind guide 20 'each balance each other independently of other components.
- the alternating imbalances which occur during the laying process and which arise due to the stranded material on the winding drum 2 and disappear again are illustrated in FIG. 5.
- the winding drum 2 rotates about the rotor axis of rotation 4, the winding drum 2 is in a balanced state when a winding position is completely occupied.
- the winding drum 2 With the start of a new winding position, the winding drum 2 is loaded on one side with respect to the rotor axis of rotation 4 with an additional mass, so that the center of gravity of the winding drum 2 shifts to the side in the direction of the drum axis of rotation 3 and accordingly with an increase in the winding in In the direction of arrow 21, a resulting unbalance force R arises in the opposite direction.
- the unbalance initially increases.
- the maximum permissible speed can only be increased slightly, despite the intended balancing of the laying device, since the constantly changing mass unbalances resulting from the winding produce considerable balancing forces with relatively thick cables.
- one or more vibration sensors 22 are arranged on the machine foundation 8, which, depending on the construction of the machine frame, can be designed as a dynamometer, accelerometer or displacement meter. Since the maximum permissible unbalance force R arising from the winding and thus the maximum permissible speed can be predetermined, the arrangement can now be made such that the control devices connected to the force transducers 22, which are designed as dynamometers, prescribe this maximum permissible balancing force as the maximum upper limit.
- the rotor 1 can be ramped up to its design-related maximum permissible rotational speed, which is then gradually or gradually reduced when the specified maximum permissible balancing force is reached, so that, based on the entire stranding journey, overall with a higher Average speed is operated and accordingly a higher production speed is achieved due to the link between the rotor speed and the winding drum speed that exists over the predetermined lay length.
- a pivotable about a central axis 18 laying fork 17 as with reference to FIG. '4
- the changing mass unbalance R can be compensated for.
- the two counterweights 23, 24 are diametrically opposite with respect to the rotor rotation axis 4 and also at right angles to the drum rotation axis 3.
- the two balancing weights 23, 24 are deflected in the same direction of movement by the pivoting movement of the laying fork 17, so that the resulting Ra resulting from the two centrifugal forces F a is directed against the unbalance force R.
- the adjustment mechanism is expediently designed such that in the further pivoting movement of the " laying fork 17, the two balancing weights 23, 24 are pivoted back into their starting position in accordance with the reduction in the balancing force R. The balancing weights then become when the new winding position begins 23, 24 pivoted in the other direction in accordance with the opposite movement of the laying fork 17.
- a proximity switch 25 is provided, which consists for example of an electromagnetic sensor and which cooperates with the race 5 of the rotor.
- the arrangement here is such that the induction of the proximity switch 25 over the normally constant distance between the
- the energy supply for the winding drive of the winding drum 2 and for the laying device including all additional control and measuring processes takes place via a slip ring which is arranged in the area of the stand 11 and is not shown here. »
- the arrangement of the balancing weights described with reference to FIG. 5 is, however, not limited to the embodiment of the laying fork according to FIG. 4. Since the area of the rotor axis of rotation 4 is also freely available in the case of a laying device such as was described with reference to FIGS. 2 and 3, such balancing weights which can be pivoted relative to one another can also be arranged in a laying device designed in this way become.
- the actuation can preferably be carried out using the laying fork 14, since when a new winding layer begins to be built up, the balancing weights must be deflected in the same direction in which the laying fork 14 itself moves.
- each balancing weight itself to be formed from two partial weights, which can be adjusted and fixed relative to one another.
- Such an arrangement makes it possible in a simple manner to additionally change the size of each counterweight which is effective during operation, in order to be able to adapt the arrangement to different thicknesses of the stranded material to be wound up.
Landscapes
- Winding Filamentary Materials (AREA)
- Manufacture Of Motors, Generators (AREA)
- Moulding By Coating Moulds (AREA)
- Developing Agents For Electrophotography (AREA)
- Tension Adjustment In Filamentary Materials (AREA)
- Toys (AREA)
- Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
- Ropes Or Cables (AREA)
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4032936A DE4032936A1 (en) | 1990-10-17 | 1990-10-17 | ROTATING REWINDER FOR CABLEWARE AND METHOD FOR REGULATING THE SPEED OF A ROTATING REWINDER FOR CABLEWARE |
DE4032936 | 1990-10-17 | ||
PCT/EP1991/001439 WO1992007136A1 (en) | 1990-10-17 | 1991-07-31 | Rotating winder for stranding products and process for regulating the rotation speed of such a winder |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0505515A1 true EP0505515A1 (en) | 1992-09-30 |
EP0505515B1 EP0505515B1 (en) | 1995-10-18 |
Family
ID=6416463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91913982A Expired - Lifetime EP0505515B1 (en) | 1990-10-17 | 1991-07-31 | Rotating winder for stranding products |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0505515B1 (en) |
JP (1) | JPH05502700A (en) |
AT (1) | ATE129301T1 (en) |
DE (2) | DE4032936A1 (en) |
ES (1) | ES2080329T3 (en) |
PL (1) | PL167680B1 (en) |
RU (1) | RU2052373C1 (en) |
WO (1) | WO1992007136A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009018851A1 (en) * | 2009-04-24 | 2010-11-04 | Nkt Cables Gmbh | Winding bobbin for receiving load or stranded goods |
CN103952935B (en) * | 2014-05-06 | 2016-03-30 | 于法周 | A kind of damping type guiding device of numerical control winding machine |
CN113080503B (en) * | 2021-03-30 | 2022-05-31 | 福建迈可博电子科技集团股份有限公司 | Cable coiling machine |
CN115196427B (en) * | 2022-07-25 | 2023-06-06 | 赣州市光华有色金属有限公司 | Tungsten filament winding device with linear correction structure |
CN116043587B (en) * | 2022-12-29 | 2024-03-19 | 扬州市新天河绳业有限公司 | Multi-strand rope braiding machine |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2763979A (en) * | 1953-05-06 | 1956-09-25 | Wire Machinery Corp Of America | Cable twisting, wrapping, and reeling mechanism |
US3024588A (en) * | 1959-07-10 | 1962-03-13 | Western Electric Co | Cable-distributing mechanism for cablestranding apparatus |
US3546872A (en) * | 1969-01-31 | 1970-12-15 | Wanskuck Co | Apparatus for producing stranded cable |
-
1990
- 1990-10-17 DE DE4032936A patent/DE4032936A1/en not_active Withdrawn
-
1991
- 1991-07-31 WO PCT/EP1991/001439 patent/WO1992007136A1/en active IP Right Grant
- 1991-07-31 RU SU915052738A patent/RU2052373C1/en active
- 1991-07-31 EP EP91913982A patent/EP0505515B1/en not_active Expired - Lifetime
- 1991-07-31 ES ES91913982T patent/ES2080329T3/en not_active Expired - Lifetime
- 1991-07-31 AT AT91913982T patent/ATE129301T1/en not_active IP Right Cessation
- 1991-07-31 JP JP3513141A patent/JPH05502700A/en active Pending
- 1991-07-31 DE DE59106732T patent/DE59106732D1/en not_active Expired - Fee Related
- 1991-07-31 PL PL91295027A patent/PL167680B1/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO9207136A1 * |
Also Published As
Publication number | Publication date |
---|---|
PL295027A1 (en) | 1992-11-30 |
WO1992007136A1 (en) | 1992-04-30 |
JPH05502700A (en) | 1993-05-13 |
ATE129301T1 (en) | 1995-11-15 |
PL167680B1 (en) | 1995-10-31 |
RU2052373C1 (en) | 1996-01-20 |
DE59106732D1 (en) | 1995-11-23 |
EP0505515B1 (en) | 1995-10-18 |
ES2080329T3 (en) | 1996-02-01 |
DE4032936A1 (en) | 1992-04-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19920415 |
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