EP1174225B1 - Werkzeug mit zugeordnetem Schlagwerkzeuggerät - Google Patents
Werkzeug mit zugeordnetem Schlagwerkzeuggerät Download PDFInfo
- Publication number
- EP1174225B1 EP1174225B1 EP01810684A EP01810684A EP1174225B1 EP 1174225 B1 EP1174225 B1 EP 1174225B1 EP 01810684 A EP01810684 A EP 01810684A EP 01810684 A EP01810684 A EP 01810684A EP 1174225 B1 EP1174225 B1 EP 1174225B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tool
- tool head
- head
- impact
- tooling
- 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 - Lifetime
Links
- 238000009527 percussion Methods 0.000 title description 5
- 239000000463 material Substances 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 7
- 230000006978 adaptation Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims description 2
- 230000001747 exhibiting effect Effects 0.000 claims 1
- 230000003116 impacting effect Effects 0.000 claims 1
- 230000035939 shock Effects 0.000 description 18
- 210000003128 head Anatomy 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 210000000887 face Anatomy 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 210000001331 nose Anatomy 0.000 description 3
- 230000036540 impulse transmission Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/36—Percussion drill bits
- E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/02—Percussive tool bits
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
- E21B17/076—Telescoping joints for varying drill string lengths; Shock absorbers between rod or pipe and drill bit
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/24—Drilling using vibrating or oscillating means, e.g. out-of-balance masses
Definitions
- the invention refers to a tool, such as a drill bit or chisel, which is associated with an impact tool, such as a drill bit or chisel, which is at least partially hammering, such as a drill or chisel, preferably for working stone such as concrete and masonry.
- a used as a tool drill bit is claimed by an at least partially hammering hammer, for example.
- the striker and / or the flying piston of an electro-pneumatic striking mechanism With the striker and / or the flying piston of an electro-pneumatic striking mechanism, axially to the tool axis with mechanical shocks on the end face of the insertion, wherein the impact energy substantially via longitudinal pulses in shape propagates from shock pulses to the opposite end face and allows the output of the material to be machined energy editing.
- This opposite end face is usually designed as a carbide-tipped tool head.
- US4165790 is a tool in a plurality of non-rotatable and limited axially movable parts, eg. In a short tool head, a much longer tool shank and a spigot, divided, each one secured with a cross pin hexagon connection forms the form-fitting rotationally fixed and limited axially movable connection.
- US4605079 has a very short such tool head on a hexagon socket for a form-locking rotationally fixed and limited axially movable connection.
- Such tool heads are not optimized with respect to the momentum transfer.
- WO97 / 08421 there is a drill bit at the end of a drill pipe or a drill rod, wherein the form-locking rotationally fixed and limited axially movable tool head itself forms a head part and a shaft part with respect to an arranged within its axial length face.
- the non-rotatable fixation via polygonal shaped cross-sectional areas or via engaging in recesses noses.
- About a light metal pin or a ring of the tool head is limited axially movable axially fixed to the drill pipe or the drill rod.
- the ratio of the lengths of the shank part with respect to the head part is as large as possible, in particular greater than five, so that the maximum pulse energy can be transferred to the tool head for machining the material.
- a certain impedance ratio of the shaft part to that of the head part is to be observed, wherein constructive, slight axial variations of the absolute values are permitted.
- the US1744141 discloses a tool adapted for processing rock by an associated percussion impact tool, wherein the shank of the tool abuts with a convex and the percussion means with a concave crowned face.
- the object of the invention is to optimize the transmission of the pulse energy applied by the impact tool in the tool head of a structurally simple to manufacture tool. Another aspect is a suitable attachment of the tool head of such a tool.
- a tool with an acoustically long tool shaft rotatably connected and axially limited movable tool head with respect to its impedance acoustically matched to the flying piston and / or the striker of the striking tool device, each abutting faces respectively at least partially flat in contact with each other.
- the signed curvatures r 1 , r 2 of the abutting end faces are the same orientation, whereby even with a slight angular misalignment of the Stosspartner an almost central shock is present with surface contact.
- an end face is advantageously crowned concave and the associated end face convexly convex.
- an infinitely large effective contact radius would be ideal, with approximately 25% of the increase in processing power being lost in the case of a practically realizable effective contact radius of more than 1 m, compared to an ideal areal contact.
- the material of the flying mass of usually steel for example, can be advantageously substituted into a light ceramic or carbon fiber composite material.
- Necessary constructive embodiments of tool head, flying piston and / or striker must be based at least substantially on such a geometry without being strictly prismatic. In the case of real deviations of approx. 10% each, approx. 25% of the increase in processing capacity is lost.
- the tool itself consists of a tool shank and a rotatably limited axially movable tool head with cutting edges of hard material, the tool shank acoustically long and the tool head is acoustically tuned to the flying piston and / or striker.
- striker tool shank and tool head whose cross sections are the same.
- the coupling region of the tool shank adjacent to the tool head is advantageously of prismatic design, the cross section advantageously having the shape of a regular polygon, for example a hexagon.
- the edges are advantageously broken over a chamfer.
- the tool head which forms the matching prismatic counterpart, is fastened in a rotationally form-fitting manner via the connection that forms as a result.
- a guided transversely to the tool axis both through the tool head and through the tool shaft pin provides a fixation means in conjunction with an axial slot in at least one of the parts a smooth, limited axial mobility safely.
- the tool shank is made hollow, wherein a fluid medium such as rinsing liquid can be passed through the channel formed.
- the channel has inlet and outlet openings at the insertion end and in the tool head, wherein a limited axially movable, advantageously annular, sealing element is advantageously arranged between the tool shank and the axially movable tool head limited.
- the tool head which is acoustically matched with respect to its length and its cross section, is provided with a sleeve-like region assigned to the tool shank, in which the tool shank engages in a rotationally fixed and limited axially movable manner.
- the necessary, at least in part essentially planar design of the end face between the tool shank and the tool head is realized via an inner annulus area with a very large effective radius of curvature.
- An optional sealing element is advantageously designed as a radially smaller, centrally offset part of the tool shank, which ends in a central bore in the cutting edge region of the tool head, of which at least one opening leads to the end face of the tool head, which advantageously offset eccentrically to the tool axis outside the head groove arranged to clear the abraded material adjacent to the cutting edge.
- a fixing means is a transversely through an axial slot of the sleeve-like portion of the tool head and through a hole in the tool shaft guided pin.
- the tool head which is acoustically matched with respect to its length and cross section, is provided with a radially smaller, centrally offset region associated with the tool shank with a driving nose arranged in the radially outer, which engages in the tool shank in a rotationally fixed and limited axially movable manner.
- the necessary, at least partially substantially planar design of the end face between the tool shank and the tool head is realized via an outer annulus area with a very large effective radius of curvature.
- An optional sealing element is advantageously arranged on this centrally offset region, which has a central bore which terminates in an area of the tool head assigned to the cutting edge, from which at least one opening leads to the end face of the tool head, which is advantageously offset eccentrically from the tool axis outside the head groove Spacing the removed material is arranged adjacent to the cutting edge.
- a fixing means is either a transversely through a chord-like running hole in the tool shaft and a arranged in the driving lug of the tool head axial slot guided pin or in a third advantageous variant in a circumferential groove in the tool shank fixed spring ring, which in a radially outer recess arranged Engaging nose of the tool head engages.
- the fixing means also advantageously allow a modular replacement of the tool head, which easily replaces this wear part as well as a machining task optimally adapted tool head can be mounted from a selection set out.
- a percussion tool device 1 which is shown only partially schematically, is associated with a tool 2 which has an acoustically long tool shank 3 and an axially limited movable tool head 4.
- the tool head 4 is acoustically adjusted with respect to its impedance to a reciprocating flying piston 5 and an anvil 6 of the impact tool device 1.
- the tool head 4 is adjusted with respect to a shock pulse 7 whose pulse length is equal to twice the acoustic length of the tool head 4, whereby this shock pulse 7 is almost completely transmitted from the flying piston 5 on the striker 6 and the tool shaft 3 in the tool head 4, which in a later time essentially rammed with the full pulse energy in a rock to be machined 8, without causing a significant back reflection 9 and thus to a pulse energy loss during the transfer to the tool head 4.
- the abutting each end faces 10 are each in planar contact with each other, whereby the shock pulse 7 is transmitted substantially as a rectangular pulse.
- the cut along the tool axis not fully illustrated tool 2 itself consists of a tool shank 3 and a rotatably limited axially movable tool head 4 with cutting edges 11 made of hard material, in the illustrated case the same material of the tool shank 3 and 4 tool head whose cross-sectional areas substantially are the same.
- the tool head 4 adjacent coupling portion 12 of the tool shank 3 is formed prismatic.
- the tool head 4 forms for this purpose the appropriate prismatic counterpart.
- a guided transversely to the tool axis both by the tool head 4 and by the tool shank 3 pin provides as a fixing means 13 in conjunction with an axial slot as Fix istsfact 14 in the tool head 4 a smooth, limited axial mobility .DELTA.x safe.
- the mutually associated in the transmission of the shock pulse at least partially in surface contact associated end faces (10) are arranged perpendicular to the tool axis (not shown) executed with an effective crowning greater 1 m.
- the tool shank is hollow.
- a channel 15 forming inside, which opens into a central bore in the cutting edge 11 associated region of the tool head 4 ends, has (partially not shown) inlet and outlet ports 16 at the insertion or in the tool head 4, wherein in an axial sealing region 17 between the tool shaft 3 and the limited axially movable tool head 4 a limited axially movable annular sealing element 18 is arranged.
- the acoustically tuned with respect to its length and its cross-section tool head 4 is designed sleeve-like, the hexagonal prismatic coupling portion 12 of the tool shank 3 rotatably and limited axially movable engages in a matching counterpart forming tool head 4.
- the at least partially substantially planar design of the end face 10 between the tool shank 3 and the tool head 4 is realized via an inner annulus area with a very large effective radius of curvature.
- An annular sealing element 18 is arranged circumferentially around a radially small, centrally offset sealing region 17 of the tool shank 3, which engages in a central bore of the tool head 4, from which two outlet openings 16 each lead to an end face of the tool head 4, which offset eccentrically to the tool axis outside a head groove 19 for clearing the removed material and adjacent to the cutting edge 11 is arranged.
- fixing means 13 is a pin which is guided transversely to the tool axis by a designed as an axial slot fixation receptacle 14 of the coupling portion 12 of the sleeve-like tool head 4 and through a hole in the tool shank 3.
- the tool head 4 which is acoustically matched with respect to its length and cross section is provided with a radially smaller, centrally offset coupling region 12 associated with the tool shank 3 with a driving lug 20 arranged in the radial outer, which rotates and limits in the tool shank 3 designed as a counterpart axially movable engages.
- the at least partially substantially planar design of the end face 10 between the tool shank 3 and the tool head 4 is realized via an outer annular region with a very large effective radius of curvature.
- An annular sealing element 18 is arranged on the centrally offset sealing region 17 which adjoins the coupling region 12 and which has a central bore which ends in a bore of the tool head assigned to the cutting edge 11, from which two outlet openings 16 lead to one end face of the tool head 4 which is advantageously arranged eccentrically offset from the tool axis outside the head groove 19 for clearing the removed material and adjacent to the cutting edge 11.
- a fixing means 13 is a pin which transversely through a chord-like running hole in the tool shank 3 and by a in the driving lug 20 of the tool head 4 arranged axial slot is performed as fixing receptacle 14.
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Percussive Tools And Related Accessories (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10034742A DE10034742A1 (de) | 2000-07-17 | 2000-07-17 | Werkzeug mit zugeordnetem Schlagwerkzeug |
DE10034742 | 2000-07-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1174225A1 EP1174225A1 (de) | 2002-01-23 |
EP1174225B1 true EP1174225B1 (de) | 2007-09-19 |
Family
ID=7649219
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01810684A Expired - Lifetime EP1174225B1 (de) | 2000-07-17 | 2001-07-09 | Werkzeug mit zugeordnetem Schlagwerkzeuggerät |
Country Status (7)
Country | Link |
---|---|
US (1) | US6557653B2 (zh) |
EP (1) | EP1174225B1 (zh) |
JP (1) | JP4842458B2 (zh) |
CN (1) | CN1333112A (zh) |
AU (1) | AU778233B2 (zh) |
DE (2) | DE10034742A1 (zh) |
ZA (1) | ZA200105839B (zh) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10129064A1 (de) * | 2001-06-15 | 2002-12-19 | Hilti Ag | Gesteinsbohrwerkzeug |
AU2003200561B9 (en) * | 2003-02-19 | 2009-07-02 | Sandvik Intellectual Property Ab | Drill bit |
DE10338640A1 (de) * | 2003-08-22 | 2005-03-17 | Hilti Ag | Einsteckende für ein drehendes und schlagendes Werkzeug |
DE102004028099A1 (de) * | 2004-06-09 | 2005-12-29 | Hilti Ag | Bohrer |
US8637127B2 (en) | 2005-06-27 | 2014-01-28 | Kennametal Inc. | Composite article with coolant channels and tool fabrication method |
US7687156B2 (en) | 2005-08-18 | 2010-03-30 | Tdy Industries, Inc. | Composite cutting inserts and methods of making the same |
GB2429991A (en) * | 2005-09-07 | 2007-03-14 | Alan Barrows | Water powered impulsive unit |
US7395883B2 (en) * | 2005-12-15 | 2008-07-08 | Rockmore International, Inc. | Keyed connection for drill bit |
JP2009535536A (ja) | 2006-04-27 | 2009-10-01 | ティーディーワイ・インダストリーズ・インコーポレーテッド | モジュール型の固定カッターボーリングビット、モジュール型の固定カッターボーリングビット本体及びそれに関連する方法 |
EP2078101A2 (en) | 2006-10-25 | 2009-07-15 | TDY Industries, Inc. | Articles having improved resistance to thermal cracking |
US8512882B2 (en) | 2007-02-19 | 2013-08-20 | TDY Industries, LLC | Carbide cutting insert |
US7846551B2 (en) | 2007-03-16 | 2010-12-07 | Tdy Industries, Inc. | Composite articles |
US7740088B1 (en) * | 2007-10-30 | 2010-06-22 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Ultrasonic rotary-hammer drill |
DE102007056531A1 (de) * | 2007-11-23 | 2009-05-28 | Hilti Aktiengesellschaft | Handwerkzeugmaschine mit Schlagwerkzeugaufnahme und zugeordnetes Werkzeug |
BRPI0913591A8 (pt) | 2008-06-02 | 2017-11-21 | Tdy Ind Inc | Carboneto cimentado - compósitos de liga metálica |
US8790439B2 (en) | 2008-06-02 | 2014-07-29 | Kennametal Inc. | Composite sintered powder metal articles |
US8025112B2 (en) | 2008-08-22 | 2011-09-27 | Tdy Industries, Inc. | Earth-boring bits and other parts including cemented carbide |
US8322465B2 (en) | 2008-08-22 | 2012-12-04 | TDY Industries, LLC | Earth-boring bit parts including hybrid cemented carbides and methods of making the same |
US8272816B2 (en) | 2009-05-12 | 2012-09-25 | TDY Industries, LLC | Composite cemented carbide rotary cutting tools and rotary cutting tool blanks |
USD610430S1 (en) * | 2009-06-18 | 2010-02-23 | 3M Innovative Properties Company | Stem for a power tool attachment |
US8308096B2 (en) | 2009-07-14 | 2012-11-13 | TDY Industries, LLC | Reinforced roll and method of making same |
US8440314B2 (en) | 2009-08-25 | 2013-05-14 | TDY Industries, LLC | Coated cutting tools having a platinum group metal concentration gradient and related processes |
US9643236B2 (en) | 2009-11-11 | 2017-05-09 | Landis Solutions Llc | Thread rolling die and method of making same |
IT1406770B1 (it) * | 2010-12-20 | 2014-03-07 | Andrina | Utensile di percussione per un martello demolitore o simile |
US8800848B2 (en) | 2011-08-31 | 2014-08-12 | Kennametal Inc. | Methods of forming wear resistant layers on metallic surfaces |
US9016406B2 (en) | 2011-09-22 | 2015-04-28 | Kennametal Inc. | Cutting inserts for earth-boring bits |
US9416593B2 (en) | 2012-12-28 | 2016-08-16 | Smith International, Inc. | Piston strike face and bit interface for percussion hammer drill |
ITTO20130402A1 (it) | 2013-05-20 | 2013-08-19 | Corimag S R L | Utensile di percussione per martello demolitore |
US10550641B2 (en) | 2015-02-06 | 2020-02-04 | Halliburton Energy Services, Inc. | Hammer drill mechanism |
JP6588211B2 (ja) * | 2015-02-16 | 2019-10-09 | 古河ロックドリル株式会社 | さく岩機 |
JP2017203332A (ja) * | 2016-05-13 | 2017-11-16 | 株式会社トライテック | 削孔器具および削孔方法 |
JP2021059885A (ja) * | 2019-10-07 | 2021-04-15 | 京葉リース株式会社 | 掘削装置、連結具および掘削ヘッド |
CN112377094B (zh) * | 2020-11-04 | 2023-07-21 | 北京三一智造科技有限公司 | 一种桩基施工方法 |
USD988100S1 (en) | 2021-04-28 | 2023-06-06 | Nordco Inc. | Spiker anvil with tip insert |
CN116220540A (zh) * | 2023-03-06 | 2023-06-06 | 徐州徐工基础工程机械有限公司 | 一种冲击零件及冲击机构 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1744141A (en) * | 1929-02-28 | 1930-01-21 | Pryce Leslie | Hammer rock drill |
US3804181A (en) * | 1972-03-29 | 1974-04-16 | Baker Oil Tools Inc | Bore hole for hammer drive mechanism |
US3833072A (en) * | 1973-07-02 | 1974-09-03 | Sanderson Cyclone Drill Co | Drilling machine with driving tool for casing or pipe |
US4290489A (en) * | 1974-12-18 | 1981-09-22 | Charles Leavell | Vibrationless pneumatic tools |
EP0015700B1 (en) * | 1979-02-28 | 1982-07-28 | CompAir Construction and Mining Limited | Compressed-gas-operated reciprocating-piston devices |
US4303131A (en) * | 1980-02-27 | 1981-12-01 | Compair Construction And Mining Ltd. | Compressed-gas-operated reciprocating piston devices |
SE459514B (sv) * | 1984-09-06 | 1989-07-10 | Secoroc Ab | Skarvfoerband i skarvborrutrustning foer slagborrning |
DE3539030A1 (de) * | 1985-11-02 | 1987-05-07 | Hilti Ag | Bohrhammer mit pneumatisch angetriebenem schlagkolben |
US4790390A (en) * | 1987-01-26 | 1988-12-13 | Minroc Technical Promotions Ltd. | Valveless down-the-hole drill |
SE504828C2 (sv) * | 1990-04-11 | 1997-05-12 | Sandvik Ab | Hammaranordning där kolv och borrkrona har omvänd design relativt varandra vad gäller impedans |
SE506527C2 (sv) * | 1995-08-31 | 1997-12-22 | Sandvik Ab | Förfarande, bergborrverktyg, bergborrkrona och mellanelement för att överföra slagenerig från ett topphammaraggregat |
-
2000
- 2000-07-17 DE DE10034742A patent/DE10034742A1/de not_active Withdrawn
-
2001
- 2001-01-01 ZA ZA200105839A patent/ZA200105839B/xx unknown
- 2001-06-15 AU AU51938/01A patent/AU778233B2/en not_active Ceased
- 2001-07-09 DE DE50113024T patent/DE50113024D1/de not_active Expired - Lifetime
- 2001-07-09 EP EP01810684A patent/EP1174225B1/de not_active Expired - Lifetime
- 2001-07-11 CN CN01122376A patent/CN1333112A/zh active Pending
- 2001-07-11 US US09/902,680 patent/US6557653B2/en not_active Expired - Lifetime
- 2001-07-16 JP JP2001215536A patent/JP4842458B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE50113024D1 (de) | 2007-10-31 |
CN1333112A (zh) | 2002-01-30 |
JP4842458B2 (ja) | 2011-12-21 |
DE10034742A1 (de) | 2002-01-31 |
AU778233B2 (en) | 2004-11-25 |
AU5193801A (en) | 2002-01-24 |
ZA200105839B (en) | 2002-02-07 |
JP2002097885A (ja) | 2002-04-05 |
US6557653B2 (en) | 2003-05-06 |
EP1174225A1 (de) | 2002-01-23 |
US20020020566A1 (en) | 2002-02-21 |
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