SE9001409D0 - Metod foer framstaellning av haardmetallkropp foer bergborrverktyg och slitdelar - Google Patents
Metod foer framstaellning av haardmetallkropp foer bergborrverktyg och slitdelarInfo
- Publication number
- SE9001409D0 SE9001409D0 SE9001409A SE9001409A SE9001409D0 SE 9001409 D0 SE9001409 D0 SE 9001409D0 SE 9001409 A SE9001409 A SE 9001409A SE 9001409 A SE9001409 A SE 9001409A SE 9001409 D0 SE9001409 D0 SE 9001409D0
- Authority
- SE
- Sweden
- Prior art keywords
- manufacturing
- metal body
- drilling tools
- wearing parts
- carbon metal
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title 1
- 229910052799 carbon Inorganic materials 0.000 title 1
- 239000002184 metal Substances 0.000 title 1
- 239000011435 rock Substances 0.000 abstract 1
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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/56—Button-type inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/062—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts
-
- 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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/58—Chisel-type inserts
-
- 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
- Y10S76/00—Metal tools and implements, making
- Y10S76/11—Tungsten and tungsten carbide
-
- 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
- Y10T407/00—Cutters, for shaping
- Y10T407/27—Cutters, for shaping comprising tool of specific chemical composition
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Powder Metallurgy (AREA)
- Earth Drilling (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Carbon And Carbon Compounds (AREA)
- Ceramic Products (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9001409A SE9001409D0 (sv) | 1990-04-20 | 1990-04-20 | Metod foer framstaellning av haardmetallkropp foer bergborrverktyg och slitdelar |
AT91850100T ATE146999T1 (de) | 1990-04-20 | 1991-04-18 | Verfahren zur herstellung von sinterkarbidkörpern für werkzeuge und verschleissteile |
EP96109560A EP0733424A3 (en) | 1990-04-20 | 1991-04-18 | Process for the production of a cemented carbide body for tools and wear elements |
DE69123872T DE69123872T2 (de) | 1990-04-20 | 1991-04-18 | Verfahren zur Herstellung von Sinterkarbidkörpern für Werkzeuge und Verschleissteile |
EP91850100A EP0453428B1 (en) | 1990-04-20 | 1991-04-18 | Method of making cemented carbide body for tools and wear parts |
JP3180610A JPH04228505A (ja) | 1990-04-20 | 1991-04-20 | 超硬合金体の製造方法 |
US08/062,715 US5333520A (en) | 1990-04-20 | 1993-05-18 | Method of making a cemented carbide body for tools and wear parts |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9001409A SE9001409D0 (sv) | 1990-04-20 | 1990-04-20 | Metod foer framstaellning av haardmetallkropp foer bergborrverktyg och slitdelar |
Publications (1)
Publication Number | Publication Date |
---|---|
SE9001409D0 true SE9001409D0 (sv) | 1990-04-20 |
Family
ID=20379225
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9001409A SE9001409D0 (sv) | 1990-04-20 | 1990-04-20 | Metod foer framstaellning av haardmetallkropp foer bergborrverktyg och slitdelar |
Country Status (6)
Country | Link |
---|---|
US (1) | US5333520A (xx) |
EP (2) | EP0453428B1 (xx) |
JP (1) | JPH04228505A (xx) |
AT (1) | ATE146999T1 (xx) |
DE (1) | DE69123872T2 (xx) |
SE (1) | SE9001409D0 (xx) |
Families Citing this family (78)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE9103065D0 (sv) * | 1991-10-21 | 1991-10-21 | Sandvik Ab | Metod foer framstaellning av keramisk kropp |
SE505526C2 (sv) * | 1994-11-08 | 1997-09-15 | Sandvik Ab | Avsticksskär |
US5762843A (en) * | 1994-12-23 | 1998-06-09 | Kennametal Inc. | Method of making composite cermet articles |
US5679445A (en) * | 1994-12-23 | 1997-10-21 | Kennametal Inc. | Composite cermet articles and method of making |
US5541006A (en) * | 1994-12-23 | 1996-07-30 | Kennametal Inc. | Method of making composite cermet articles and the articles |
US5594931A (en) * | 1995-05-09 | 1997-01-14 | Newcomer Products, Inc. | Layered composite carbide product and method of manufacture |
US5623723A (en) * | 1995-08-11 | 1997-04-22 | Greenfield; Mark S. | Hard composite and method of making the same |
US6183687B1 (en) | 1995-08-11 | 2001-02-06 | Kennametal Inc. | Hard composite and method of making the same |
SE518810C2 (sv) * | 1996-07-19 | 2002-11-26 | Sandvik Ab | Hårdmetallkropp med förbättrade högtemperatur- och termomekaniska egenskaper |
AT1770U1 (de) * | 1996-12-04 | 1997-11-25 | Miba Sintermetall Ag | Verfahren zum herstellen eines sinterformkörpers, insbesondere eines zahnriemen- oder kettenrades |
US6197431B1 (en) * | 1997-06-20 | 2001-03-06 | Siemens Westinghouse Power Corporation | Composite material machining tools |
US6315945B1 (en) | 1997-07-16 | 2001-11-13 | The Dow Chemical Company | Method to form dense complex shaped articles |
GB9720059D0 (en) * | 1997-09-19 | 1997-11-19 | Isis Innovation | Method of bonding |
DE19912721C1 (de) * | 1999-03-20 | 2000-08-10 | Simon Karl Gmbh & Co Kg | Verfahren zum Herstellen einer Fräslamelle und nach dem Verfahren hergestellte Fräslamelle |
US6076754A (en) * | 1999-04-16 | 2000-06-20 | Littlef Ord Day, Incorporated | Mixer apparatus with improved chopper assembly |
US6511265B1 (en) * | 1999-12-14 | 2003-01-28 | Ati Properties, Inc. | Composite rotary tool and tool fabrication method |
DE19962232B4 (de) * | 1999-12-22 | 2006-05-04 | Vacuumschmelze Gmbh | Verfahren zur Herstellung stabförmiger Dauermagnete |
US6571889B2 (en) | 2000-05-01 | 2003-06-03 | Smith International, Inc. | Rotary cone bit with functionally-engineered composite inserts |
AT4665U1 (de) * | 2000-07-14 | 2001-10-25 | Plansee Tizit Ag | Verfahren zum pressen einer schneidplatte |
US6908688B1 (en) * | 2000-08-04 | 2005-06-21 | Kennametal Inc. | Graded composite hardmetals |
US20040157066A1 (en) * | 2003-02-07 | 2004-08-12 | Arzoumanidis G. Alexis | Method of applying a hardcoating typically provided on downhole tools, and a system and apparatus having such a hardcoating |
DE10305205B4 (de) * | 2003-02-07 | 2006-10-19 | Betek Bergbau- Und Hartmetalltechnik Karl-Heinz Simon Gmbh & Co. Kg | Meißelspitze für einen Schaftmeißel |
US7384443B2 (en) | 2003-12-12 | 2008-06-10 | Tdy Industries, Inc. | Hybrid cemented carbide composites |
US20050211475A1 (en) | 2004-04-28 | 2005-09-29 | Mirchandani Prakash K | Earth-boring bits |
US9428822B2 (en) | 2004-04-28 | 2016-08-30 | Baker Hughes Incorporated | Earth-boring tools and components thereof including material having hard phase in a metallic binder, and metallic binder compositions for use in forming such tools and components |
JP2006046540A (ja) | 2004-08-05 | 2006-02-16 | Matsushita Electric Ind Co Ltd | 動圧流体軸受装置 |
US7513320B2 (en) * | 2004-12-16 | 2009-04-07 | Tdy Industries, Inc. | Cemented carbide inserts for earth-boring bits |
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 |
US7703555B2 (en) | 2005-09-09 | 2010-04-27 | Baker Hughes Incorporated | Drilling tools having hardfacing with nickel-based matrix materials and hard particles |
US8002052B2 (en) | 2005-09-09 | 2011-08-23 | Baker Hughes Incorporated | Particle-matrix composite drill bits with hardfacing |
US7597159B2 (en) | 2005-09-09 | 2009-10-06 | Baker Hughes Incorporated | Drill bits and drilling tools including abrasive wear-resistant materials |
US7776256B2 (en) | 2005-11-10 | 2010-08-17 | Baker Huges Incorporated | Earth-boring rotary drill bits and methods of manufacturing earth-boring rotary drill bits having particle-matrix composite bit bodies |
US7997359B2 (en) | 2005-09-09 | 2011-08-16 | Baker Hughes Incorporated | Abrasive wear-resistant hardfacing materials, drill bits and drilling tools including abrasive wear-resistant hardfacing materials |
US7784567B2 (en) | 2005-11-10 | 2010-08-31 | Baker Hughes Incorporated | Earth-boring rotary drill bits including bit bodies comprising reinforced titanium or titanium-based alloy matrix materials, and methods for forming such bits |
US7807099B2 (en) | 2005-11-10 | 2010-10-05 | Baker Hughes Incorporated | Method for forming earth-boring tools comprising silicon carbide composite materials |
US8770324B2 (en) | 2008-06-10 | 2014-07-08 | Baker Hughes Incorporated | Earth-boring tools including sinterbonded components and partially formed tools configured to be sinterbonded |
US7802495B2 (en) | 2005-11-10 | 2010-09-28 | Baker Hughes Incorporated | Methods of forming earth-boring rotary drill bits |
US7913779B2 (en) | 2005-11-10 | 2011-03-29 | Baker Hughes Incorporated | Earth-boring rotary drill bits including bit bodies having boron carbide particles in aluminum or aluminum-based alloy matrix materials, and methods for forming such bits |
RU2432445C2 (ru) | 2006-04-27 | 2011-10-27 | Ти Ди Уай Индастриз, Инк. | Модульное буровое долото с неподвижными режущими элементами, корпус данного модульного бурового долота и способы их изготовления |
EP2066864A1 (en) | 2006-08-30 | 2009-06-10 | Baker Hughes Incorporated | Methods for applying wear-resistant material to exterior surfaces of earth-boring tools and resulting structures |
JP5330255B2 (ja) | 2006-10-25 | 2013-10-30 | ティーディーワイ・インダストリーズ・エルエルシー | 改良された耐熱亀裂性を有する物品 |
US8272295B2 (en) | 2006-12-07 | 2012-09-25 | Baker Hughes Incorporated | Displacement members and intermediate structures for use in forming at least a portion of bit bodies of earth-boring rotary drill bits |
US7775287B2 (en) | 2006-12-12 | 2010-08-17 | Baker Hughes Incorporated | Methods of attaching a shank to a body of an earth-boring drilling tool, and tools formed by such methods |
US7841259B2 (en) | 2006-12-27 | 2010-11-30 | Baker Hughes Incorporated | Methods of forming bit bodies |
US8439608B2 (en) * | 2007-01-18 | 2013-05-14 | Kennametal Inc. | Shim for a cutting insert and cutting insert-shim assembly with internal coolant delivery |
US20080175679A1 (en) * | 2007-01-18 | 2008-07-24 | Paul Dehnhardt Prichard | Milling cutter and milling insert with core and coolant delivery |
US9101985B2 (en) | 2007-01-18 | 2015-08-11 | Kennametal Inc. | Cutting insert assembly and components thereof |
US8727673B2 (en) | 2007-01-18 | 2014-05-20 | Kennametal Inc. | Cutting insert with internal coolant delivery and surface feature for enhanced coolant flow |
US7883299B2 (en) | 2007-01-18 | 2011-02-08 | Kennametal Inc. | Metal cutting system for effective coolant delivery |
US7963729B2 (en) | 2007-01-18 | 2011-06-21 | Kennametal Inc. | Milling cutter and milling insert with coolant delivery |
US8454274B2 (en) | 2007-01-18 | 2013-06-04 | Kennametal Inc. | Cutting inserts |
US8328471B2 (en) | 2007-01-18 | 2012-12-11 | Kennametal Inc. | Cutting insert with internal coolant delivery and cutting assembly using the same |
US7625157B2 (en) | 2007-01-18 | 2009-12-01 | Kennametal Inc. | Milling cutter and milling insert with coolant delivery |
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 |
US8790439B2 (en) | 2008-06-02 | 2014-07-29 | Kennametal Inc. | Composite sintered powder metal articles |
JP2011523681A (ja) | 2008-06-02 | 2011-08-18 | 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 | 超硬合金−金属合金複合体 |
US7703556B2 (en) | 2008-06-04 | 2010-04-27 | Baker Hughes Incorporated | Methods of attaching a shank to a body of an earth-boring tool including a load-bearing joint and tools formed by such methods |
US8261632B2 (en) | 2008-07-09 | 2012-09-11 | Baker Hughes Incorporated | Methods of forming earth-boring drill bits |
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 |
US7955032B2 (en) | 2009-01-06 | 2011-06-07 | Kennametal Inc. | Cutting insert with coolant delivery and method of making the cutting insert |
US8272816B2 (en) | 2009-05-12 | 2012-09-25 | TDY Industries, LLC | Composite cemented carbide rotary cutting tools and rotary cutting tool blanks |
US8201610B2 (en) | 2009-06-05 | 2012-06-19 | Baker Hughes Incorporated | Methods for manufacturing downhole tools and downhole tool parts |
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 |
EP2571648A4 (en) | 2010-05-20 | 2016-10-05 | Baker Hughes Inc | METHODS OF FORMING AT LEAST ONE PART OF GROUND DRILLING TOOLS, AND ARTICLES FORMED BY SUCH METHODS |
RU2012155101A (ru) | 2010-05-20 | 2014-06-27 | Бейкер Хьюз Инкорпорейтед | Способы формирования по меньшей мере части бурильного инструмента |
CA2799906A1 (en) | 2010-05-20 | 2011-11-24 | Baker Hughes Incorporated | Methods of forming at least a portion of earth-boring tools, and articles formed by such methods |
US8734062B2 (en) | 2010-09-02 | 2014-05-27 | Kennametal Inc. | Cutting insert assembly and components thereof |
US8827599B2 (en) | 2010-09-02 | 2014-09-09 | Kennametal Inc. | Cutting insert assembly and components thereof |
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 |
EP2644299B2 (en) | 2012-03-29 | 2022-01-26 | Seco Tools Ab | Cemented carbide body and method for manufacturing the cemented carbide body |
US20140271008A1 (en) | 2013-03-15 | 2014-09-18 | Sandvik Intellectual Property Ab | Method of joining sintered parts of different sizes and shapes |
FR3066936B1 (fr) * | 2017-06-01 | 2019-11-01 | Safran | Procede de soudage par cofrittage ameliore |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH233609A (de) * | 1942-03-26 | 1944-08-15 | Vogt Hans | Verfahren zur Herstellung von Sinterkörpern. |
US3279049A (en) * | 1963-12-05 | 1966-10-18 | Chromalloy Corp | Method for bonding a sintered refractory carbide body to a metalliferous surface |
US3429700A (en) * | 1966-09-20 | 1969-02-25 | Teleflex Inc | Method of producing composite metal articles by uniting two identical shapes |
FR1522955A (fr) * | 1967-05-16 | 1968-04-26 | Federal Mogul Corp | Procédé de jonction mécanique de pièces en poudres métalliques frittées |
US3665585A (en) * | 1970-12-04 | 1972-05-30 | Federal Mogul Corp | Composite heavy-duty mechanism element and method of making the same |
FR2223472A1 (en) * | 1973-03-29 | 1974-10-25 | Creusot Loire | Compound hard sintered material mfr. - e.g. carbide and metal, to form compound workpieces |
GB1497990A (en) * | 1975-11-10 | 1978-01-12 | Tokyo Shibaura Electric Co | Composite ceramic articles and a method of manufacturing the same |
JPS5328505A (en) * | 1976-08-31 | 1978-03-16 | Fuji Dies Kk | Superhard alloy product and process for production thereof |
US4280841A (en) * | 1977-09-27 | 1981-07-28 | Nippon Tungsten Co., Ltd. | Method for manufacturing a mechanical seal ring |
US4478611A (en) * | 1979-12-14 | 1984-10-23 | Hughes Tool Company | Method of making tungsten carbide grit |
JPS603922B2 (ja) * | 1980-09-03 | 1985-01-31 | 日本油脂株式会社 | 切削工具 |
IL62342A (en) * | 1981-03-10 | 1983-12-30 | Iscar Ltd | Method of bonding cemented carbide bodies and composite hard metal products manufactured thereby |
DE3203857C2 (de) * | 1982-02-03 | 1984-08-02 | Mannesmann AG, 4000 Düsseldorf | Ölfeldrohr-Verbindung und Verfahren zum Verbinden von Ölfeld-Rohren |
US4496372A (en) * | 1982-03-31 | 1985-01-29 | Almond Eric A | Abrasive bodies |
US4629373A (en) * | 1983-06-22 | 1986-12-16 | Megadiamond Industries, Inc. | Polycrystalline diamond body with enhanced surface irregularities |
JPS61197476A (ja) * | 1985-02-26 | 1986-09-01 | 株式会社東芝 | 複合体およびその製造方法 |
US4661180A (en) * | 1985-03-25 | 1987-04-28 | Gte Valeron Corporation | Method of making diamond tool |
US4594219A (en) * | 1985-08-02 | 1986-06-10 | Metals, Ltd. | Powder metal consolidation of multiple preforms |
US4713286A (en) * | 1985-10-31 | 1987-12-15 | Precorp, Inc. | Printed circuit board drill and method of manufacture |
US4662896A (en) * | 1986-02-19 | 1987-05-05 | Strata Bit Corporation | Method of making an abrasive cutting element |
KR880701149A (ko) * | 1986-05-16 | 1988-07-25 | 원본미기재 | 멀티-체인 스프로킷의 제조방법 |
US4722824A (en) * | 1986-06-04 | 1988-02-02 | Fine Particle Technology Corp. | Method of joining green bodies prior to sintering |
US4705124A (en) * | 1986-08-22 | 1987-11-10 | Minnesota Mining And Manufacturing Company | Cutting element with wear resistant crown |
JPS63252681A (ja) * | 1987-04-08 | 1988-10-19 | Namiki Precision Jewel Co Ltd | 時計バンド用加工素材 |
SE467649B (sv) * | 1988-10-21 | 1992-08-24 | Sandvik Ab | Sintrat dubbelpositivt skaer bestaaende av tvaa identiska pulverkroppar, samt metod foer tillverkning av skaeret |
US4911254A (en) * | 1989-05-03 | 1990-03-27 | Hughes Tool Company | Polycrystalline diamond cutting element with mating recess |
JPH04293705A (ja) * | 1991-03-20 | 1992-10-19 | Akebono Brake Res & Dev Center Ltd | アルミ基複合材ディスクロータの製造方法 |
-
1990
- 1990-04-20 SE SE9001409A patent/SE9001409D0/xx unknown
-
1991
- 1991-04-18 DE DE69123872T patent/DE69123872T2/de not_active Expired - Fee Related
- 1991-04-18 EP EP91850100A patent/EP0453428B1/en not_active Expired - Lifetime
- 1991-04-18 EP EP96109560A patent/EP0733424A3/en not_active Withdrawn
- 1991-04-18 AT AT91850100T patent/ATE146999T1/de not_active IP Right Cessation
- 1991-04-20 JP JP3180610A patent/JPH04228505A/ja active Pending
-
1993
- 1993-05-18 US US08/062,715 patent/US5333520A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5333520A (en) | 1994-08-02 |
JPH04228505A (ja) | 1992-08-18 |
EP0453428B1 (en) | 1997-01-02 |
ATE146999T1 (de) | 1997-01-15 |
EP0733424A2 (en) | 1996-09-25 |
EP0733424A3 (en) | 1997-01-15 |
DE69123872D1 (de) | 1997-02-13 |
DE69123872T2 (de) | 1997-04-30 |
EP0453428A1 (en) | 1991-10-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE9001409D0 (sv) | Metod foer framstaellning av haardmetallkropp foer bergborrverktyg och slitdelar | |
SE9100363L (sv) | Haardmetallkropp med extra segt beteende | |
SE9002137D0 (sv) | Improved tools for cutting rock drilling | |
NO911536D0 (no) | Knapp for borkrone av hardmetall for boring i fjell. | |
DE3369654D1 (en) | Rotary cutting tool and method of making it | |
ZA943503B (en) | Drill bits | |
GB1530864A (en) | Hard surfaced well tool and a method for the manufacture thereof | |
SE8602146L (sv) | Hardmetall med bindefasgradient och sett att framstella densamma | |
SE9901216L (sv) | Sätt att tillverka ett hårdmetallpulver med lågt presstryck | |
SE9103344D0 (sv) | Haardmetallkropp med oekad slitstyrka | |
NO920643D0 (no) | Hardmetall-legeme anvendt fortrinnsvis for slitende fjell- og mineralavvirkning | |
SE9602814L (sv) | Hårdmetallverktyg med borerad ytzon och användning av detta för kallbearbetningsoperationer | |
SE9404145L (sv) | Anordning för finbearbetning av borrhål | |
SE8404494D0 (sv) | Mining picks |