EP0093189B1 - Device for feeding weft yarns or the like at textile machines - Google Patents
Device for feeding weft yarns or the like at textile machines Download PDFInfo
- Publication number
- EP0093189B1 EP0093189B1 EP82103867A EP82103867A EP0093189B1 EP 0093189 B1 EP0093189 B1 EP 0093189B1 EP 82103867 A EP82103867 A EP 82103867A EP 82103867 A EP82103867 A EP 82103867A EP 0093189 B1 EP0093189 B1 EP 0093189B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sheave
- shaft
- feed mechanism
- mechanism according
- displaceable
- 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
Links
- 239000004753 textile Substances 0.000 title claims description 15
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
- D03D47/27—Drive or guide mechanisms for weft inserting
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/38—Devices for supplying, feeding, or guiding threads to needles
- D04B15/48—Thread-feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H51/00—Forwarding filamentary material
- B65H51/02—Rotary devices, e.g. with helical forwarding surfaces
- B65H51/04—Rollers, pulleys, capstans, or intermeshing rotary elements
- B65H51/06—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate singly
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
- D03D47/34—Handling the weft between bulk storage and weft-inserting means
- D03D47/36—Measuring and cutting the weft
-
- 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 to a feed device for weft threads, catch threads or the like.
- a feed device for weft threads, catch threads or the like.
- textile machines consisting of a spreading disc arranged on a drivable shaft with a first disc fixedly arranged on the shaft and a second disc which can be displaced in the axial direction and which is conical in Radial direction to the shaft and towards the first disc has widening ribs which engage in corresponding recesses in the first disc
- the spacing of the discs can be determined by an adjusting and locking device arranged on the textile machine in such a way that the effective range for the conical ribs guided thread to be fed to the textile machine is fixed.
- the associated adjusting and locking device has a sleeve which is rotatably arranged on the shaft and which, in cooperation with other actuators, can be coupled either with a slower or a faster drive than the shaft, to change the distance between the disks. Because of the numerous different actuators, this device is very complicated and therefore very susceptible to failure. A further disadvantage is that when the speed of the shaft carrying the spreading disc changes, the speed of the drive elements for the sleeve must also be changed so that the distance between the discs can be changed.
- a spreading disc is provided with two discs, each of which has conically widening ribs in the radial direction towards the shaft and towards the adjacent disc, each of which engages in corresponding recesses in the adjacent disc.
- a roller is arranged on the shaft carrying the spreading disc, over which the thread to be fed to the textile machine is guided.
- the spreading disc is driven by a drive belt. By changing the distance between the discs of the spreading disc, the speed of the shaft and thus the Henge of the thread fed changes.
- the thread to be fed is not guided over the spreading disc, but the spreading disc only serves as a gear for driving the shaft.
- the object of the invention is therefore to develop a device of the type mentioned in such a way that the desired amount of thread can be adjusted in a simple and inexpensive construction without stopping the textile machine.
- the first disc also has conically widening ribs in the radial direction towards the shaft and towards the second disc, which engage in corresponding recesses in the second disc, which is non-rotatably arranged on the shaft
- the adjusting and locking device has a two-armed arrangement
- on the textile machine has pivotally arranged levers, one lever arm of which cooperates with an adjusting screw arranged on the textile machine and the other lever arm of which is rotatably connected to the displaceable disc of the spreading disc.
- the lever is preferably pivotable about an axis perpendicular to a plane running through the shaft in the axial direction.
- a prestressed spring which is supported on the disks is advantageously arranged on the shaft between the disks of the expanding disk.
- the disks preferably have recesses for the compression spring.
- a bearing is arranged on the shaft between the displaceable disc and the lever arm assigned to the displaceable disc.
- the bearing is preferably designed as an axial thrust bearing, shoulder bearing or the like.
- the displaceable disk advantageously has a hub-like attachment with a recess for the bearing.
- the bearing is connected via a U-shaped bracket to the lever arm assigned to the displaceable disk of the expansion disk.
- a spreading disc 2 composed of two discs 3 and 4 is arranged on a shaft 1 of a textile machine (not shown).
- the disks 3 and 4 have ribs 5 widening conically in the radial direction towards the shaft 1 and towards the adjacent disk, the ribs of the one disk engaging in the spaces 6 between the ribs 5 of the other disk.
- the disc 3 is fixed on the shaft 1, while the disc 4 is arranged on the shaft 1 in the axial direction, but non-rotatably.
- the disc 4 has on its outer side facing away from the disc 3 a hub-like extension 7 with a recess in which a shoulder bearing 8 is seated.
- a U-shaped bracket 9 is connected to the shoulder bearing 8 and is connected to a lever arm 10 of a two-armed lever 11.
- the lever 11 is pivotable about an axis 12 perpendicular to a plane running through the shaft 1 in the axial direction.
- the other lever arm 13 of the two-armed lever 11 is connected to an adjusting and locking device 14 of the textile machine.
- the adjusting and locking device 14 has an adjusting screw 16 which can be actuated via a knurled wheel 15.
- the thread 19 to be fed is placed almost completely around the spreading disc, as can be seen in FIG. 1.
- the compression spring 18 presses the disks 3 and 4 of the expansion disk 2 apart, so that the lever arm 13 bears firmly against the adjusting screw 16 via the U-shaped bracket 9 and the lever 11.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Forwarding And Storing Of Filamentary Material (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Sewing Machines And Sewing (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Looms (AREA)
Description
Die Erfindung betrifft eine Zuführeinrichtung für Schußfäden, Fangfäden od. dgl. bei Textilmaschinen, bestehend aus einer auf einer antreibbaren Welle angeordneten Spreizscheibe mit einer fest auf der Welle angeordneten ersten Scheibe und einer in axialer Richtung verschiebbar auf der Welle angeordneten zweiten Scheibe, die konisch in radialer Richtung zur Welle und zur ersten Scheibe hin sich verbreiternde Rippen hat, die in entsprechende Ausnehmungen der ersten Scheibe eingreifen, wobei der Abstand der Scheiben durch eine an der Textilmaschine angeordnete Verstell- und Arretiervorrichtung derart festlegbar ist, daß der wirksame Umfang für den auf den konischen Rippen geführte, der Textilmaschine zuzuführende Faden festliegt.The invention relates to a feed device for weft threads, catch threads or the like. In textile machines, consisting of a spreading disc arranged on a drivable shaft with a first disc fixedly arranged on the shaft and a second disc which can be displaced in the axial direction and which is conical in Radial direction to the shaft and towards the first disc has widening ribs which engage in corresponding recesses in the first disc, the spacing of the discs can be determined by an adjusting and locking device arranged on the textile machine in such a way that the effective range for the conical ribs guided thread to be fed to the textile machine is fixed.
Bei einer bekannten derartigen Vorrichtung (DE-B-1 635 895) weist die zugehörige Verstell-und Arretiervorrichtung eine auf der Welle drehbar angeordnete Hülse auf, die im Zusammenwirken von weiteren Stellgliedern entweder mit einem langsameren oder einem schnelleren Antrieb als die Welle kuppelbar ist, um den Abstand der Scheiben zu verändern. Aufgrund der zahlreichen verschiedenen Stellglieder ist diese Vorrichtung sehr kompliziert und damit sehr störanfällig. Nachteilig ist weiterhin, daß bei Änderung der Drehzahl der die Spreizscheibe tragenden Welle auch die Drehzahl der Antriebsorgane für die Hülse verändert werden muß, damit eine Veränderung des Abstandes der Scheiben vorgenommen werden kann.In a known device of this type (DE-B-1 635 895), the associated adjusting and locking device has a sleeve which is rotatably arranged on the shaft and which, in cooperation with other actuators, can be coupled either with a slower or a faster drive than the shaft, to change the distance between the disks. Because of the numerous different actuators, this device is very complicated and therefore very susceptible to failure. A further disadvantage is that when the speed of the shaft carrying the spreading disc changes, the speed of the drive elements for the sleeve must also be changed so that the distance between the discs can be changed.
Bei einer anderen bekannten Vorrichtung (US-A-794 516) ist eine Spreizscheibe mit zwei Scheiben vorgesehen, die jeweils konisch in radialer-Richtung zur Welle und zur Nachbarscheibe hin sich verbreiternde Rippen haben, die jeweils in entsprechende Ausnehmungen der Nachbarscheibe eingreifen. Auf der die Spreizscheibe tragenden Welle ist eine Walze angeordnet, über die der der Textilmaschine zuzuführende Faden geführt ist. Die Spreizscheibe wird über einen Antriebsriehmen angetrieben. Durch Verändern des Abstandes der Scheiben der Spreizscheibe ändert sich die Drehzahl der Welle und damit die Henge des zugeführten Fadens. Bei dieser bekannten Vorrichtung ist der zuzuführende Faden nicht über die Spreizscheibe geführt, sondern die Spreizscheibe dient lediglich als Getriebe für den Antrieb der Welle.In another known device (US-A-794 516) a spreading disc is provided with two discs, each of which has conically widening ribs in the radial direction towards the shaft and towards the adjacent disc, each of which engages in corresponding recesses in the adjacent disc. A roller is arranged on the shaft carrying the spreading disc, over which the thread to be fed to the textile machine is guided. The spreading disc is driven by a drive belt. By changing the distance between the discs of the spreading disc, the speed of the shaft and thus the Henge of the thread fed changes. In this known device, the thread to be fed is not guided over the spreading disc, but the spreading disc only serves as a gear for driving the shaft.
Die Aufgabe der Erfindung besteht daher darin, eine Vorrichtung der eingangs genannten Art derart weiterzubilden, daß bei einfacher und kostengünstiger Bauweise ohne Stillsetzen der Textilmaschine die gewünschte Fadenmenge auf einfache Weise einstellbar ist.The object of the invention is therefore to develop a device of the type mentioned in such a way that the desired amount of thread can be adjusted in a simple and inexpensive construction without stopping the textile machine.
Diese Aufgabe wird dadurch gelöst, daß die erste Scheibe gleichfalls konisch in radialer Richtung zur Welle und zur zweiten Scheibe hin sich verbreiternde Rippen hat, die in entsprechende Ausnehmungen der unverdrehbar auf der Welle angeordneten zweiten Scheibe eingreifen, und daß die Verstell- und Arretiervorrichtung einen zweiarmigen, an der Textilmaschine schwenkbar angeordneten Hebel aufweist, dessen einer Hebelarm mit einer an der Textilmaschine angeordneten Stellschraube zusammenwirkt und dessen anderer Hebelarm mit der verschiebbaren Scheibe der Spreizscheibe drehbar verbunden ist.This object is achieved in that the first disc also has conically widening ribs in the radial direction towards the shaft and towards the second disc, which engage in corresponding recesses in the second disc, which is non-rotatably arranged on the shaft, and in that the adjusting and locking device has a two-armed arrangement , on the textile machine has pivotally arranged levers, one lever arm of which cooperates with an adjusting screw arranged on the textile machine and the other lever arm of which is rotatably connected to the displaceable disc of the spreading disc.
Vorzugsweise ist der Hebel um eine zu einer durch die Welle in axialer Richtung verlaufende Ebene senkrechte Achse schwenkbar.The lever is preferably pivotable about an axis perpendicular to a plane running through the shaft in the axial direction.
Vorteilhaft ist zwischen den Scheiben der Spreizscheibe auf der Welle eine sich an den Scheiben abstützende, vorgespannte Feder angeordnet. Vorzugsweise weisen die Scheiben Ausnehmungen für die Druckfeder auf.A prestressed spring which is supported on the disks is advantageously arranged on the shaft between the disks of the expanding disk. The disks preferably have recesses for the compression spring.
Bei einer vorteilhaften Ausführungsform ist auf der Welle zwischen der verschiebbaren Scheibe und dem der verschiebbaren Scheibe zugeordneten Hebelarm ein Lager angeordnet. Vorzugsweise ist das Lager als axiales Drucklager, Schulterlager od. dgl. ausgebildet. Vorteilhaft hat die verschiebbare Scheibe einen nabenartigen Afsatz mit einer Ausnehmung für das Lager.In an advantageous embodiment, a bearing is arranged on the shaft between the displaceable disc and the lever arm assigned to the displaceable disc. The bearing is preferably designed as an axial thrust bearing, shoulder bearing or the like. The displaceable disk advantageously has a hub-like attachment with a recess for the bearing.
Nach einer vorteilhaften Weiterbildung ist das Lager über einen U-förmigen Bügel mit dem der verschiebbaren Scheibe der Spreizscheibe zugeordneten Hebelarm verbunden.According to an advantageous development, the bearing is connected via a U-shaped bracket to the lever arm assigned to the displaceable disk of the expansion disk.
Die Erfindung ist in den Zeichnungen beispielhaft dargestellt. Es zeigen:
- Fig. 1 die Zuführeinrichtung in perspektivischer Ansicht und
- Fig. 2 die Zuführeinrichtung in teilweisem Schnitt durch die Spreizscheibe.
- Fig. 1, the feed device in perspective view
- Fig. 2 shows the feed device in partial section through the spreading disc.
Nach den Figuren 1 und 2 ist auf einer Welle 1 einer nicht dargestellten Textilmaschine eine Spreizscheibe 2 aus zwei Scheiben 3 und 4 angeordnet. Die Scheiben 3 und 4 weisen sich konisch in radialer Richtung zur Welle 1 und zur Nachbarscheibe hin verbreiternde Rippen 5 auf, wobei die Rippen der einen Scheibe jeweils in die Zwischenräume 6 zwischen den Rippen 5 der anderen Scheibe eingreifen.According to FIGS. 1 and 2, a spreading
Die Scheibe 3 ist auf der Welle 1 fest angeordnet, während die Scheibe 4 auf der Welle 1 in axialer Richtung verschiebbar, jedoch unverdrehbar angeordnet ist. Die Scheibe 4 weist an ihrer der Scheibe 3 abgewandten Außenseite einen nabenartigen Ansatz 7 mit einer Ausnehmung auf, in der ein Schulterlager 8 sitzt. Mit dem Schulterlager 8 ist ein U-förmiger Bügel 9 verbunden, der mit einem Hebelarm 10 eines zweiarmigen Hebels 11 verbunden ist. Der Hebel 11 ist um eine zu einer durch die Welle 1 in axialer Richtung verlaufende Ebene senkrechte Achse 12 schwenkbar.The
Der andere Hebelarm 13 des zweiarmigen Hebels 11 ist mit einer Verstell- und Arretiervorrichtung 14 der Textilmaschine verbunden. Die Verstell- und Arretiervorrichtung 14 weist eine über ein Rändelrad 15 betätigbare Stellschraube 16 auf.The
In Ausnehmungen 17 der Scheiben 3 und 4 ist auf der Welle 1 eine sich an den Scheiben 3 und 4 abstützende, vorgespannte Druckfeder 18 angeordnet.In the
Bei Verwendung der erfindungsgemäßen Zuführeinrichtung wird der zuzuführende Faden 19 fast vollständig um die Spreizscheibe gelegt, wie dies in Fig. 1 erkennbar ist. Die Druckfeder 18 drückt dabei die Scheiben 3 und 4 der Spreizscheibe 2 auseinander, so daß über den U-förmigen Bügel 9 und den Hebel 11 der Hebelarm 13 fest an der Stellschraube 16 anliegt.When using the feed device according to the invention, the
Bei der Betätigung der Stellschraube 16 wird der Abstand der Scheiben 3 und 4 der Spreizscheibe 2 verändert, so daß sich für den zuzuführenden t-aaen 19 ein anderer wirksamer Umfang der Spreizscheibe 2 ergibt und damit sich die Menge des zugeführten Fadens ändert.When the adjusting
Claims (8)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP82103867A EP0093189B1 (en) | 1982-05-05 | 1982-05-05 | Device for feeding weft yarns or the like at textile machines |
DE8282103867T DE3272535D1 (en) | 1982-05-05 | 1982-05-05 | Device for feeding weft yarns or the like at textile machines |
ES1982266772U ES266772Y (en) | 1982-05-05 | 1982-07-14 | "CONDUCTIVE DEVICE FOR WARP THREADS, RETENTION THREADS OR SIMILAR IN TEXTILE MACHINES". |
KR8203272A KR880000770B1 (en) | 1982-05-05 | 1982-07-22 | Weft threads feed mechanisms for textile machines |
US06/471,562 US4504022A (en) | 1982-05-05 | 1983-03-01 | Thread feed mechanism and method for textile machines |
HK44/87A HK4487A (en) | 1982-05-05 | 1987-01-08 | Device for feeding weft yarns or the like at textile machines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP82103867A EP0093189B1 (en) | 1982-05-05 | 1982-05-05 | Device for feeding weft yarns or the like at textile machines |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0093189A1 EP0093189A1 (en) | 1983-11-09 |
EP0093189B1 true EP0093189B1 (en) | 1986-08-13 |
Family
ID=8189019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP82103867A Expired EP0093189B1 (en) | 1982-05-05 | 1982-05-05 | Device for feeding weft yarns or the like at textile machines |
Country Status (6)
Country | Link |
---|---|
US (1) | US4504022A (en) |
EP (1) | EP0093189B1 (en) |
KR (1) | KR880000770B1 (en) |
DE (1) | DE3272535D1 (en) |
ES (1) | ES266772Y (en) |
HK (1) | HK4487A (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60155755A (en) * | 1984-01-20 | 1985-08-15 | 多川機械株式会社 | Rotary drum type weft yarn storage apparatus |
US4785325A (en) * | 1987-11-16 | 1988-11-15 | Xerox Corporation | Adjustable speed control for a document imaging system |
US5346181A (en) * | 1991-06-11 | 1994-09-13 | Marco Seattle, Inc. | Hauling sheave with cleats |
DE4206607A1 (en) * | 1991-09-26 | 1993-04-01 | Erich Roser | THREAD DELIVERY DEVICE FOR THREAD USING TEXTILE MACHINES |
US5275379A (en) * | 1992-02-14 | 1994-01-04 | Mcaleer Roger W | Wildcat chain hoist with whelps, pockets, and movable drum halves |
US5468191A (en) * | 1993-04-30 | 1995-11-21 | Ntn Corporation | Variable effective diameter pulleys for variable speed transmission of power |
US5904629A (en) * | 1996-12-27 | 1999-05-18 | Shimano, Inc. | Rear derailleur with a cable guide roller and a pivoting cable casing support |
DE10203068A1 (en) * | 2002-01-26 | 2003-08-07 | Mageba Textilmaschinen Vertrie | Loom with a warp beam |
US7070527B1 (en) * | 2002-12-23 | 2006-07-04 | Polaris Industries Inc. | Ventilated clutch assembly with reduced-slip sheave surfaces |
GB2410963A (en) * | 2004-01-09 | 2005-08-17 | Master Flo Valve Inc | A choke system having a linear hydraulic stepping actuator |
IN2012DN02362A (en) | 2009-09-16 | 2015-08-21 | Nippon Kinsen Kikai Kk | |
KR101442733B1 (en) * | 2013-04-11 | 2014-09-23 | 주식회사 라지 | A Tension control apparatus for composition fiber |
US9518640B2 (en) * | 2014-02-07 | 2016-12-13 | Deere & Company | Dry variable speed drive mechanism |
JP6297016B2 (en) * | 2015-10-23 | 2018-03-20 | 本田技研工業株式会社 | Belt type continuously variable transmission for work equipment |
GB201603940D0 (en) * | 2016-03-08 | 2016-04-20 | Pattakos Manousos And Pattakos Efthimios And Pattakos Emmanouel | Conical pulley for belt CVT |
US10557541B2 (en) * | 2016-09-19 | 2020-02-11 | Deere & Company | Dry variable speed drive mechanism |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US179746A (en) * | 1876-07-11 | Improvement in pulleys | ||
US2734390A (en) * | 1956-02-14 | thelander | ||
US794516A (en) * | 1904-08-12 | 1905-07-11 | Rudolf Dron | Apparatus for feeding strips of short-fiber material. |
US1350670A (en) * | 1919-07-30 | 1920-08-24 | Mathew Ritter | Speed-changing mechanism |
US1715595A (en) * | 1925-04-03 | 1929-06-04 | United Shoe Machinery Corp | Driving mechanism |
US2168835A (en) * | 1938-09-19 | 1939-08-08 | Gilbert A Wells | Variable-speed pulley for v-belt drives |
US2313436A (en) * | 1941-10-31 | 1943-03-09 | Ideal Commutator Dresser Compa | Variable speed device |
US3154260A (en) * | 1962-11-02 | 1964-10-27 | Darlington Fabrics Corp | Capstans |
DE1248384B (en) * | 1966-02-24 | 1967-08-24 | Heinkel Ag Ernst | Coil spring revolving around its longitudinal axis |
SE300138B (en) * | 1966-05-17 | 1968-04-08 | K Rosen | |
US3516295A (en) * | 1968-08-29 | 1970-06-23 | Heinkel Ag Ernst | V-belt pulley |
DE2312508C3 (en) * | 1973-03-13 | 1975-10-16 | Ab Iro, Ulricehamn (Schweden) | Thread delivery device for the intermittent thread feed to textile machines, in particular weaving machines |
CA1026125A (en) * | 1974-09-30 | 1978-02-14 | T.B. Wood's Sons Company | Variable speed sheaves |
JPS5516944A (en) * | 1978-07-18 | 1980-02-06 | Yoshida Kogyo Kk | Weft yarn lettoff motion |
CH635146A5 (en) * | 1979-03-01 | 1983-03-15 | Sulzer Ag | DEVICE FOR MEASURING THREAD-SHAPED MATERIAL. |
-
1982
- 1982-05-05 DE DE8282103867T patent/DE3272535D1/en not_active Expired
- 1982-05-05 EP EP82103867A patent/EP0093189B1/en not_active Expired
- 1982-07-14 ES ES1982266772U patent/ES266772Y/en not_active Expired
- 1982-07-22 KR KR8203272A patent/KR880000770B1/en active
-
1983
- 1983-03-01 US US06/471,562 patent/US4504022A/en not_active Expired - Fee Related
-
1987
- 1987-01-08 HK HK44/87A patent/HK4487A/en unknown
Also Published As
Publication number | Publication date |
---|---|
EP0093189A1 (en) | 1983-11-09 |
US4504022A (en) | 1985-03-12 |
KR840000694A (en) | 1984-02-27 |
HK4487A (en) | 1987-01-16 |
KR880000770B1 (en) | 1988-05-06 |
DE3272535D1 (en) | 1986-09-18 |
ES266772Y (en) | 1983-11-16 |
ES266772U (en) | 1983-05-16 |
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