EP0134975B1 - Mandrin pour la fixation de pièces d'un outil, notamment d'un tournevis - Google Patents
Mandrin pour la fixation de pièces d'un outil, notamment d'un tournevis Download PDFInfo
- Publication number
- EP0134975B1 EP0134975B1 EP84107851A EP84107851A EP0134975B1 EP 0134975 B1 EP0134975 B1 EP 0134975B1 EP 84107851 A EP84107851 A EP 84107851A EP 84107851 A EP84107851 A EP 84107851A EP 0134975 B1 EP0134975 B1 EP 0134975B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sleeve
- ball
- lobe
- wing
- spring
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/0007—Connections or joints between tool parts
- B25B23/0035—Connection means between socket or screwdriver bit and tool
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S279/00—Chucks or sockets
- Y10S279/904—Quick change socket
- Y10S279/905—Quick change socket with ball detent
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T279/00—Chucks or sockets
- Y10T279/17—Socket type
- Y10T279/17666—Radially reciprocating jaws
- Y10T279/17692—Moving-cam actuator
- Y10T279/17743—Reciprocating cam sleeve
- Y10T279/17752—Ball or roller jaws
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T279/00—Chucks or sockets
- Y10T279/17—Socket type
- Y10T279/17761—Side detent
- Y10T279/17811—Reciprocating sleeve
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/94—Tool-support
- Y10T408/95—Tool-support with tool-retaining means
Definitions
- the invention relates to a chuck for non-circular shaft ends of tool inserts, in particular screwdriver bits, with a sleeve corresponding to the non-circular cross-section in its cavity and a ball acting on the shaft, which is assigned a sleeve which is displaceable against spring action in such a way that one towards the free end downward wedge-shaped clamping surface presses on the ball, the sleeve which can be shifted to the release position in the insertion direction of the shaft receives the ball in a projecting wing and the clamping surface sits on the inner flank of an end ring comprising the edge of the sleeve and the wing.
- the sleeve can only be displaced in the longitudinal direction of the chuck due to its connection to the wing and rotates with the rotation of the sleeve. Furthermore, only a limited torque can be transmitted to the tool insert with the known chuck, since the mechanical fixing of the insert shank is only designed for normal load cases due to the wing extending to the lower edge of the chuck.
- the object of the invention is based on the object of developing a chuck of this type in such a way that, with the same size, a higher torque can be transmitted with improved adjustment and handling.
- the sleeve is provided with a recess which is delimited near the opening of the cavity by an annular zone, the inner surface of which corresponds to the inner surface of the other cavity, that the wing is slidably guided in the recess, which is relatively represents part movable to the sleeve, wherein the wing is acted on the one hand by the spring and that on the other hand stops are provided such that the wing can be moved by the sleeve against the force of the spring.
- a chuck is specified, which is distinguished on the one hand by a more stable design and on the other hand by improved handling.
- the wing has an outwardly directed tab which engages over an inwardly directed shoulder of the sleeve and forms part of the support surface for the sleeve spring.
- the shoulder takes the tab and thus the wing, the ball of which comes into a release position.
- the sleeve spring After releasing the sleeve, the sleeve spring returns the sleeve and the wing to the basic position. The assembly can be carried out very easily. For the time being, the sleeve spring is pushed onto the sleeve.
- the wing is inserted in such a way that part of the sleeve spring is supported on the outwardly directed tab of the wing.
- the sleeve is to be pushed open at this point and the end ring is to be clamped.
- the chuck has a bushing 1 continuing at its upper end into a clamping pin 2. From the free end 1 'of the bushing 1, a hollow 3 with a non-circular cross section is incorporated. In the present case, it is a hexagonal cross section which is adapted to that of the shaft 4 of a screwdriver bit 5. Regarding the latter, it is one for Phillips screws.
- the end 1 'of the sleeve 1 opposite the clamping shaft 2 is stepped.
- a shoulder 6 is produced, on which one end of a helical compression spring 7 supported on the end 1 'is supported.
- the other end of this finds a stop on an inwardly directed shoulder 8 of a sleeve 9 which is arranged on the bush 1 both longitudinally displaceably and rotatably.
- a part of the supporting surface for this other end of the helical compression spring 7 is formed by a outwardly directed tab 20 of a wing 10 ", which According to the flap 20, spring loading occurs against the shoulder 8.
- the latter connects two guide surfaces F and F 1 of the sleeve 9 of different sizes.
- One guide surface F 1 slides on the stepped end 1 'of the sleeve, while the other guide surface F crosses the larger part the can includes.
- the wing 10 ′′ coupled with the sleeve 9 is designed in the form of a segment in cross section in such a way that its inner flat surface 10 ′ is flush with a flank of the cavity 3.
- the end 1 ′ of the bush 1 is provided with a recess 11 ′. provided so that the wing 10 "with the remaining cross-section of the end 1 'at the same height complements to a circular shape, see Fig. 4.
- the length of the recess 11' is greater than the length of the wing 10".
- the recess 11 ' ends at a distance from the free end edge of the end 1', so that the sleeve 1 forms a ring zone Z which has a cross-section beyond the wing 10 ".
- wing 10 ′′ there is a bearing bore 12 arranged transversely to the longitudinal direction of the sleeve 9 for receiving a ball 13.
- the diameter of the ball 13 is larger than the thickness of the wing 10 ′′ lying in the radial direction. Falling out of the ball 13 from the bearing bore 12 is prevented by an inward edge R. However, it is ensured that the ball 13 has sufficient play in the radial direction.
- the inner flank 3 'of the ring zone Z has a polygonal shape, in an angular position to the polygonal surfaces of the cavity 3, so that this also gives an enlarged contact surface for the shaft 4 of the screwdriver bit 5.
- the end ring 14 forms an inner clamping surface 15 which slopes in a wedge shape towards the free end and with which it presses against the ball 13.
- the clamping surface 15 continues via a step 16 into a cavity 17 which is adapted to the outer circumference of a stepped free end 9 'of the sleeve 9 while allowing the sleeve 9 to move freely.
- the shoulder 8 of the sleeve 9 acts on the tab 20 of the wing 10 ′′ and takes it with the ball 13 therein, which then comes out of the clamping position between the clamping surface 15 and the shaft 4, see FIG. 5.
- the screwdriver bit 5 can If the screwdriver bit 5 has been removed, the compression spring 7 returns the sleeve together with the wing 10 "to the basic position, the sleeve 9 stepping against the upper end edge 14 'of the end ring 14 with a step 18'.
- the tab 20 then acts on the shoulder 8.
- the wing When the screwdriver bit 5 is inserted, the wing can still be displaced by a certain amount within the recess 11 'in the direction of the ring zone Z with the effect of a re-tensioning effect. Accordingly, when the screwdriver bit 5 is inserted, the tab 20 also lies at a short distance in front of the shoulder 8 of the sleeve 9.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
- Drilling Tools (AREA)
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT84107851T ATE29977T1 (de) | 1983-08-24 | 1984-07-05 | Spannfutter fuer werkzeug-einsatzstuecke, insbesondere schraubendreherbits. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833330486 DE3330486A1 (de) | 1983-08-24 | 1983-08-24 | Spannfutter fuer werkzeug-einsatzstuecke, insbesondere schraubendreherbits |
DE3330486 | 1983-08-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0134975A1 EP0134975A1 (fr) | 1985-03-27 |
EP0134975B1 true EP0134975B1 (fr) | 1987-09-30 |
Family
ID=6207295
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP84107851A Expired EP0134975B1 (fr) | 1983-08-24 | 1984-07-05 | Mandrin pour la fixation de pièces d'un outil, notamment d'un tournevis |
Country Status (4)
Country | Link |
---|---|
US (1) | US4629375A (fr) |
EP (1) | EP0134975B1 (fr) |
AT (1) | ATE29977T1 (fr) |
DE (2) | DE3330486A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8381830B2 (en) | 2009-05-05 | 2013-02-26 | Black & Decker Inc. | Power tool with integrated bit retention device |
US8800999B2 (en) | 2009-02-27 | 2014-08-12 | Black & Decker Inc. | Bit retention device |
Families Citing this family (75)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3538675A1 (de) * | 1985-10-31 | 1987-05-07 | Werner Hermann Wera Werke | Schraubendrehereinsatz |
SE450223B (sv) * | 1986-04-17 | 1987-06-15 | Johan Rosenlund | Adapter for anslutning av en verktygsspets till en drivanordning |
US4818157A (en) * | 1986-12-31 | 1989-04-04 | James E. Scapillato | Quick-change adapter and tools for use with the adapter |
FR2629376B1 (fr) * | 1988-04-01 | 1994-04-29 | Prospection & Inventions | Porte-outil de foreuse, en particulier pour foret avec ou sans rainure d'entrainement |
DE9000245U1 (de) * | 1990-01-11 | 1991-05-16 | Wera-Werk Hermann Werner Gmbh & Co, 5600 Wuppertal | Spannfutter für mehrkantige Schaftenden von Werkzeugen |
DE4037791C1 (fr) * | 1990-11-28 | 1992-08-06 | C. & E. Fein Gmbh & Co, 7000 Stuttgart, De | |
DE4243650C2 (de) * | 1992-12-23 | 1996-07-25 | Schmidt Ulrich Ush Schraubwerk | Spannfutter für Werkzeug-Einsatzstücke |
DE4417210A1 (de) * | 1994-05-17 | 1995-11-23 | Optigrip Werkzeuge | Körper zum Festhalten von Werkzeug |
DE9411520U1 (de) * | 1994-07-15 | 1995-11-16 | wolfcraft GmbH, 56745 Weibern | Bit-Schrauber |
US5417527A (en) * | 1994-08-12 | 1995-05-23 | Wienhold; James L. | Quick change chuck assembly for tool bits |
US5638727A (en) * | 1995-02-01 | 1997-06-17 | Allway Tools, Inc. | Plastic screwdriver with retaining ring |
US5678961A (en) * | 1995-05-11 | 1997-10-21 | Fleege; Dennis W. | Quick change adapter |
USD380069S (en) * | 1995-10-23 | 1997-06-17 | Waxing Corporation Of America, Inc. | Detailing polisher |
US5664634A (en) * | 1995-10-23 | 1997-09-09 | Waxing Corporation Of America, Inc. | Power tool |
US5722805A (en) * | 1995-12-08 | 1998-03-03 | Giffin; Brian K. | Drill bit adaptor tool |
DE19610213C2 (de) * | 1996-03-15 | 1998-11-19 | Schmidt Ulrich Ush Schraubwerk | Spannfutter mit Bogenstück |
US5785468A (en) * | 1996-04-22 | 1998-07-28 | Peritz; Mark | Drill for interchangeable use on a screw driver |
US5951026A (en) * | 1997-12-12 | 1999-09-14 | Black & Decker Inc. | Removable chuck |
US6079716A (en) | 1997-12-12 | 2000-06-27 | Black & Decker Inc. | Removable chuck |
USD429262S (en) * | 1998-06-26 | 2000-08-08 | Black & Decker Inc. | Tool bit holder |
US6053675A (en) * | 1998-06-26 | 2000-04-25 | Black & Decker Inc. | Quick-acting tool bit holder |
USD424075S (en) * | 1998-06-26 | 2000-05-02 | Black & Decker Inc. | Collar for tool bit holder |
WO2000027574A1 (fr) * | 1998-11-12 | 2000-05-18 | Black & Decker Inc. | Mandrin, meche, assemblage de ces derniers et procedes de montage |
EP1769868B1 (fr) * | 1998-11-12 | 2012-08-01 | Black & Decker, Inc. | Mandrin et procédé d'assemblage de ce dernier |
US6260857B1 (en) | 1999-01-06 | 2001-07-17 | James L. Wienhold | Quick-change three-jaw drill chuck |
CN1262375C (zh) | 1999-07-21 | 2006-07-05 | 布莱克-德克尔公司 | 动力驱动夹头 |
CN1204988C (zh) | 1999-07-21 | 2005-06-08 | 布莱克-德克尔公司 | 动力驱动夹头 |
US6457916B2 (en) | 1999-11-15 | 2002-10-01 | Insty-Bit, Inc. | Locking quick-change chuck assembly |
US6561523B1 (en) | 1999-11-18 | 2003-05-13 | James L. Wienhold | Automatic tool-bit holder |
WO2001060555A1 (fr) | 2000-02-14 | 2001-08-23 | Black & Decker Inc. | Mandrin et ensemble dote de meche |
US6688610B2 (en) | 2000-05-12 | 2004-02-10 | Power Tool Holders Incorporated | Chuck with quick change |
US6588994B2 (en) | 2000-05-17 | 2003-07-08 | James L. Wienhold | Drill bit tail |
US6722667B2 (en) * | 2000-06-09 | 2004-04-20 | Jore Corporation | Workpiece connector for a power tool |
US6533291B2 (en) | 2001-02-14 | 2003-03-18 | Power Tool Holders Incorporated | Chuck having quick change mechanism |
DE10141668A1 (de) * | 2001-08-25 | 2003-03-06 | Werner Hermann Wera Werke | Spannfutter für Werkzeuge, insbesondere Schraubendreherbits |
US6834864B2 (en) | 2001-10-24 | 2004-12-28 | Power Tool Holders Incorporated | Chuck having quick change mechanism |
US6929266B2 (en) * | 2002-06-18 | 2005-08-16 | Black & Decker Inc. | Bit holder |
US6863280B2 (en) * | 2002-11-20 | 2005-03-08 | Li Jiun Chiu | Tool fixing structure |
DE10337470A1 (de) * | 2003-08-14 | 2005-03-17 | Atlas Copco Electric Tools Gmbh | Spanneinrichtung für Sechskantbits |
US20060145431A1 (en) * | 2003-12-01 | 2006-07-06 | Chang Sheng M | Tool connecting device |
US20050116429A1 (en) * | 2003-12-01 | 2005-06-02 | Sheng-Ming Chang | Fast and convenient operation structure of a screwdriver head socket |
US7726664B2 (en) * | 2005-12-29 | 2010-06-01 | Black & Decker Inc. | Universal tool bit shank |
TW200831243A (en) * | 2007-01-19 | 2008-08-01 | Hou-Fei Hu | Screwdriver joint with stepless locking |
US20090174157A1 (en) * | 2008-01-08 | 2009-07-09 | Hsin Ying Enterprise Co., Ltd. | Tool connecting device |
TW200950934A (en) | 2008-06-11 | 2009-12-16 | Hou-Fei Hu | Chuck for bit |
TW200950938A (en) * | 2008-06-11 | 2009-12-16 | Hou-Fei Hu | Chuck for bit |
CN101607389B (zh) * | 2008-06-18 | 2010-12-15 | 胡厚飞 | 起子头的接杆 |
CN101607388B (zh) * | 2008-06-18 | 2012-05-30 | 胡厚飞 | 起子头的接杆 |
US8622401B2 (en) | 2009-02-27 | 2014-01-07 | Black & Decker Inc. | Bit retention device |
US8550471B2 (en) * | 2010-07-28 | 2013-10-08 | New Way Tools Co., Ltd. | Tool bit holder |
US9636815B2 (en) * | 2011-02-23 | 2017-05-02 | Hilti Aktiengesellschaft | Tool receptacle |
US8690164B2 (en) * | 2011-10-06 | 2014-04-08 | Ji-Fen Meng | Tool bit assembly for quickly alternating bits |
US9227309B2 (en) | 2012-02-15 | 2016-01-05 | Black & Decker Inc. | Quick change bit holder with ring magnet |
US9156147B2 (en) | 2012-02-15 | 2015-10-13 | Black & Decker Inc. | Quick change bit holder with ring magnet |
US9943946B2 (en) | 2012-02-15 | 2018-04-17 | Black & Decker Inc. | Tool bits with floating magnet sleeves |
US10150205B2 (en) | 2012-02-15 | 2018-12-11 | Black & Decker Inc. | Fastening tools with floating magnet sleeves |
US9505108B2 (en) | 2012-02-15 | 2016-11-29 | Black & Decker Inc. | Bit holder with floating magnet sleeve |
EP2689895B1 (fr) * | 2012-07-27 | 2017-03-08 | Black & Decker Inc. | Dispositif de rétention de foret |
DE102014208050A1 (de) * | 2014-04-29 | 2015-10-29 | Siemens Aktiengesellschaft | Schrauberklinge, Schrauber und Verfahren zum selbständigen Einfädeln einer Schrauberklinge |
US9579731B2 (en) * | 2015-07-29 | 2017-02-28 | Kaarle Homola | Drill chuck assembly |
USD789761S1 (en) | 2015-11-02 | 2017-06-20 | Black & Decker Inc. | Torsion bit |
US10821522B2 (en) | 2017-04-05 | 2020-11-03 | Giffin Tec, Inc. | Drill bit adapter tool |
USD821842S1 (en) * | 2017-05-16 | 2018-07-03 | Shao-Hsien HSU | Tool bit |
WO2019046991A1 (fr) * | 2017-09-05 | 2019-03-14 | 慈溪市诚佳五金工具有限公司 | Tournevis |
USD966358S1 (en) | 2018-08-06 | 2022-10-11 | Giffin Tec, Inc. | Drill bit adapter |
USD867753S1 (en) | 2018-08-06 | 2019-11-26 | Giffin Tec, Inc. | Tool holster |
TWM594510U (zh) * | 2019-05-23 | 2020-05-01 | 鑽全實業股份有限公司 | 工具轉接頭快拆結構 |
US11426846B2 (en) * | 2020-04-09 | 2022-08-30 | Ningbo Hony Plastic Technology Co., Ltd | Quick-release screwdriver structure |
USD955453S1 (en) * | 2020-10-01 | 2022-06-21 | Shukla Medical | Drill bit |
JP1757998S (ja) * | 2021-10-13 | 2023-11-21 | ドリルビット | |
JP1745655S (ja) * | 2021-10-13 | 2023-06-06 | ドリルビット | |
USD987696S1 (en) * | 2021-10-14 | 2023-05-30 | Epstein Industrial Supply. Inc. | Drill bit |
JP1724557S (ja) * | 2022-05-09 | 2022-09-12 | 電動ドライバ本体 | |
JP1724556S (ja) * | 2022-05-09 | 2022-09-12 | 電動ドライバ本体 | |
JP1724558S (ja) * | 2022-05-09 | 2022-09-12 | 電動ドライバ本体 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1254549B (de) * | 1955-02-07 | 1967-11-16 | Licentia Gmbh | Elektrowerkzeug mit einer zum Loesen von Einsteckwerkzeugen axial verschiebbaren Muffe und einer Rutschkupplung mit Feder |
US3185493A (en) * | 1962-03-14 | 1965-05-25 | Earl L Chadwick | Quick-change chuck |
US3927893A (en) * | 1974-01-11 | 1975-12-23 | Skil Corp | Collet assembly for a reciprocating tool |
DE2551125C2 (de) * | 1975-11-14 | 1987-04-23 | Robert Bosch Gmbh, 7000 Stuttgart | Einrichtung an Handwerkzeugmaschinen zur Drehmomentübertragung |
US4197886A (en) * | 1977-09-06 | 1980-04-15 | Clyde Corporation | Fastener driving tool and fastener holding nosepiece |
DE2843684C3 (de) * | 1978-10-06 | 1981-06-11 | Feinwerkbau Helfer & Co KG, 3261 Möllenbeck | Schraubkopf |
DE2934428A1 (de) * | 1979-08-25 | 1981-03-26 | Wera-Werk Hermann Werner Gmbh & Co, 42349 Wuppertal | Spannfutter fuer werkzeug-einsatzstuecke, insbesondere schraubendreherbits |
DE3243389C2 (de) * | 1982-11-24 | 1986-05-15 | Wera Werk Hermann Werner Gmbh & Co, 5600 Wuppertal | Spannfutter für unrund gestaltete Schaftenden von Werkzeug-Einsatzstücken, insbesondere Schraubendreherbits |
-
1983
- 1983-08-24 DE DE19833330486 patent/DE3330486A1/de active Granted
-
1984
- 1984-07-05 DE DE8484107851T patent/DE3466486D1/de not_active Expired
- 1984-07-05 AT AT84107851T patent/ATE29977T1/de active
- 1984-07-05 EP EP84107851A patent/EP0134975B1/fr not_active Expired
- 1984-08-20 US US06/642,027 patent/US4629375A/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8800999B2 (en) | 2009-02-27 | 2014-08-12 | Black & Decker Inc. | Bit retention device |
US8381830B2 (en) | 2009-05-05 | 2013-02-26 | Black & Decker Inc. | Power tool with integrated bit retention device |
Also Published As
Publication number | Publication date |
---|---|
DE3330486A1 (de) | 1985-03-07 |
ATE29977T1 (de) | 1987-10-15 |
EP0134975A1 (fr) | 1985-03-27 |
DE3466486D1 (en) | 1987-11-05 |
US4629375A (en) | 1986-12-16 |
DE3330486C2 (fr) | 1992-04-09 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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AK | Designated contracting states |
Designated state(s): AT BE CH DE FR GB IT LI NL SE |
|
17P | Request for examination filed |
Effective date: 19850411 |
|
17Q | First examination report despatched |
Effective date: 19860516 |
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GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
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AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE CH DE FR GB IT LI NL SE |
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PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
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