ATE85670T1 - Erdbearbeitungswerkzeug mit einem arbeitselement aus wolframcarbidzement-verbindungen mit verbesserten eigenschaften. - Google Patents
Erdbearbeitungswerkzeug mit einem arbeitselement aus wolframcarbidzement-verbindungen mit verbesserten eigenschaften.Info
- Publication number
- ATE85670T1 ATE85670T1 AT88105265T AT88105265T ATE85670T1 AT E85670 T1 ATE85670 T1 AT E85670T1 AT 88105265 T AT88105265 T AT 88105265T AT 88105265 T AT88105265 T AT 88105265T AT E85670 T1 ATE85670 T1 AT E85670T1
- Authority
- AT
- Austria
- Prior art keywords
- working element
- tungsten carbide
- cobalt
- percent
- composition
- Prior art date
Links
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 title abstract 2
- 239000004568 cement Substances 0.000 title 1
- 150000001875 compounds Chemical class 0.000 title 1
- 229910017052 cobalt Inorganic materials 0.000 abstract 3
- 239000010941 cobalt Substances 0.000 abstract 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract 3
- 235000019589 hardness Nutrition 0.000 abstract 3
- 239000011230 binding agent Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 abstract 1
- 238000005065 mining Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
- C22C29/08—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/18—Mining picks; Holders therefor
- E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/18—Mining picks; Holders therefor
- E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
- E21C35/1835—Chemical composition or specific material
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12014—All metal or with adjacent metals having metal particles
- Y10T428/12028—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]
- Y10T428/12049—Nonmetal component
- Y10T428/12056—Entirely inorganic
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12014—All metal or with adjacent metals having metal particles
- Y10T428/12028—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]
- Y10T428/12063—Nonparticulate metal component
- Y10T428/12139—Nonmetal particles in particulate component
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Earth Drilling (AREA)
- Powder Metallurgy (AREA)
- Carbon And Carbon Compounds (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/043,569 US4859543A (en) | 1987-04-28 | 1987-04-28 | Earth working tool having a working element fabricated from cemented tungsten carbide compositions with enhanced properties |
EP88105265A EP0288775B1 (de) | 1987-04-28 | 1988-03-31 | Erdbearbeitungswerkzeug mit einem Arbeitselement aus Wolframcarbidzement-Verbindungen mit verbesserten Eigenschaften |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE85670T1 true ATE85670T1 (de) | 1993-02-15 |
Family
ID=21927825
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT88105265T ATE85670T1 (de) | 1987-04-28 | 1988-03-31 | Erdbearbeitungswerkzeug mit einem arbeitselement aus wolframcarbidzement-verbindungen mit verbesserten eigenschaften. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4859543A (de) |
EP (1) | EP0288775B1 (de) |
JP (1) | JP2525639B2 (de) |
AT (1) | ATE85670T1 (de) |
AU (1) | AU591386B2 (de) |
CA (1) | CA1332431C (de) |
DE (1) | DE3878295T2 (de) |
ZA (1) | ZA881989B (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4944774A (en) * | 1987-12-29 | 1990-07-31 | Smith International, Inc. | Hard facing for milled tooth rock bits |
US4836307A (en) * | 1987-12-29 | 1989-06-06 | Smith International, Inc. | Hard facing for milled tooth rock bits |
US5074623A (en) * | 1989-04-24 | 1991-12-24 | Sandvik Ab | Tool for cutting solid material |
US5131725A (en) * | 1990-09-04 | 1992-07-21 | Kennametal Inc. | Rotatable cutting tool having an insert with flanges |
JP2792352B2 (ja) * | 1992-07-21 | 1998-09-03 | 日立工機株式会社 | チップソー |
US5541006A (en) * | 1994-12-23 | 1996-07-30 | Kennametal Inc. | Method of making composite cermet articles and the articles |
US5944127A (en) * | 1996-02-02 | 1999-08-31 | Smith International, Inc. | Hardfacing material for rock bits |
US5715899A (en) * | 1996-02-02 | 1998-02-10 | Smith International, Inc. | Hard facing material for rock bits |
US5690393A (en) * | 1996-05-01 | 1997-11-25 | Kennametal Inc. | Cutting tool retention system |
US6244364B1 (en) | 1998-01-27 | 2001-06-12 | Smith International, Inc. | Earth-boring bit having cobalt/tungsten carbide inserts |
US6197084B1 (en) * | 1998-01-27 | 2001-03-06 | Smith International, Inc. | Thermal fatigue and shock-resistant material for earth-boring bits |
JP2000342986A (ja) | 1999-03-30 | 2000-12-12 | Komatsu Ltd | 産業廃棄物破砕用ビット |
DE10109634C1 (de) * | 2001-03-01 | 2002-10-10 | Boart Hwf Gmbh Co Kg | Hartmetallkörper mit Wolframcarbid in Form von Platelets für Erd- oder Bodenbearbeitungswerkzeuge |
US6655478B2 (en) | 2001-12-14 | 2003-12-02 | Smith International, Inc. | Fracture and wear resistant rock bits |
US7017677B2 (en) * | 2002-07-24 | 2006-03-28 | Smith International, Inc. | Coarse carbide substrate cutting elements and method of forming the same |
US7036614B2 (en) | 2001-12-14 | 2006-05-02 | Smith International, Inc. | Fracture and wear resistant compounds and rock bits |
US7407525B2 (en) * | 2001-12-14 | 2008-08-05 | Smith International, Inc. | Fracture and wear resistant compounds and down hole cutting tools |
RU2211330C1 (ru) * | 2002-02-11 | 2003-08-27 | Закрытое акционерное общество "ПИГМА-Гранд" | Устройство для разрушения минеральных и искусственных материалов |
DE10258537B4 (de) * | 2002-07-10 | 2006-08-17 | Boart Longyear Gmbh & Co. Kg Hartmetallwerkzeugfabrik | Hartmetall für insbesondere Gestein-, Beton- und Asphaltschneiden |
US20050262774A1 (en) * | 2004-04-23 | 2005-12-01 | Eyre Ronald K | Low cobalt carbide polycrystalline diamond compacts, methods for forming the same, and bit bodies incorporating the same |
US7959234B2 (en) | 2008-03-15 | 2011-06-14 | Kennametal Inc. | Rotatable cutting tool with superhard cutting member |
DE102009029715A1 (de) * | 2009-06-16 | 2010-12-23 | Komet Group Gmbh | Werkzeug zur Bearbeitung von Werkstücken |
US20110068616A1 (en) | 2009-09-21 | 2011-03-24 | Kennametal Inc. | Rotatable cutting tool with hard cutting member |
AU2012201292A1 (en) | 2011-03-21 | 2012-10-11 | Kennametal Inc. | Cutting tool |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2113171A (en) * | 1936-04-08 | 1938-04-05 | Cooper Products Inc | Carbide material |
US2731711A (en) * | 1954-05-13 | 1956-01-24 | Gen Electric | Sintered tungsten carbide composition |
US3165822A (en) * | 1963-08-07 | 1965-01-19 | Metal Carbides Corp | Tungsten carbide tool manufacture |
US3519309A (en) * | 1965-08-12 | 1970-07-07 | Kennametal Inc | Rotary cone bit retained by captive keeper ring |
US3379503A (en) * | 1965-11-12 | 1968-04-23 | Kennametal Inc | Process for preparing tungsten monocarbide |
US3449685A (en) * | 1967-04-25 | 1969-06-10 | Us Navy | Automatic range selector employing plural amplifiers of different gains |
US3451791A (en) * | 1967-08-16 | 1969-06-24 | Du Pont | Cobalt-bonded tungsten carbide |
US3660050A (en) * | 1969-06-23 | 1972-05-02 | Du Pont | Heterogeneous cobalt-bonded tungsten carbide |
US3677722A (en) * | 1969-11-24 | 1972-07-18 | Walmet Corp The | Cemented carbide composition and method of preparation |
US3720273A (en) * | 1971-03-03 | 1973-03-13 | Kennametal Inc | Mining tool |
US4013460A (en) * | 1972-03-21 | 1977-03-22 | Union Carbide Corporation | Process for preparing cemented tungsten carbide |
US4024902A (en) * | 1975-05-16 | 1977-05-24 | Baum Charles S | Method of forming metal tungsten carbide composites |
DE2710700A1 (de) * | 1976-03-12 | 1977-09-15 | Union Carbide Corp | Verfahren zum chemischen holzaufschluss |
DE2610734A1 (de) * | 1976-03-13 | 1977-09-22 | Krupp Gmbh | Mit schneid- und schlagstiften bestuecktes werkzeug zum abtragen von gesteinen und mineralien |
US4216832A (en) * | 1976-06-24 | 1980-08-12 | Kennametal Inc. | Furrowing tool |
US4101318A (en) * | 1976-12-10 | 1978-07-18 | Erwin Rudy | Cemented carbide-steel composites for earthmoving and mining applications |
JPS5414620A (en) * | 1977-07-06 | 1979-02-03 | Hitachi Denshi Ltd | Display method for white balance |
DE2810746A1 (de) * | 1978-03-13 | 1979-09-20 | Krupp Gmbh | Verfahren zur herstellung von verbundhartmetallen |
JPS54146201A (en) * | 1978-05-08 | 1979-11-15 | Nakayama Yoshihiro | Knife edge body for slide drilling type pit and production |
US4316636A (en) * | 1979-02-01 | 1982-02-23 | Kennametal Inc. | Excavation and road maintenance bits and blocks |
DE3005684A1 (de) * | 1980-02-15 | 1981-08-20 | Fried. Krupp Gmbh, 4300 Essen | Werkzeug zum abtragen von gesteinen und mineralien |
US4359335A (en) * | 1980-06-05 | 1982-11-16 | Smith International, Inc. | Method of fabrication of rock bit inserts of tungsten carbide (WC) and cobalt (Co) with cutting surface wear pad of relative hardness and body portion of relative toughness sintered as an integral composite |
US4497520A (en) * | 1983-04-29 | 1985-02-05 | Gte Products Corporation | Rotatable cutting bit |
US4575156A (en) * | 1984-03-13 | 1986-03-11 | Fansteel Inc. | Mining block and bit |
US4561698A (en) * | 1984-06-21 | 1985-12-31 | Beebe Donald E | Wear protector for tooth brackets on roadway surface cutting machines |
AU577958B2 (en) * | 1985-08-22 | 1988-10-06 | De Beers Industrial Diamond Division (Proprietary) Limited | Abrasive compact |
-
1987
- 1987-04-28 US US07/043,569 patent/US4859543A/en not_active Expired - Lifetime
-
1988
- 1988-03-17 AU AU13229/88A patent/AU591386B2/en not_active Expired
- 1988-03-21 ZA ZA881989A patent/ZA881989B/xx unknown
- 1988-03-31 DE DE8888105265T patent/DE3878295T2/de not_active Expired - Lifetime
- 1988-03-31 AT AT88105265T patent/ATE85670T1/de not_active IP Right Cessation
- 1988-03-31 EP EP88105265A patent/EP0288775B1/de not_active Expired - Lifetime
- 1988-04-21 JP JP63099292A patent/JP2525639B2/ja not_active Expired - Lifetime
- 1988-04-27 CA CA000565223A patent/CA1332431C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA1332431C (en) | 1994-10-11 |
DE3878295T2 (de) | 1993-06-24 |
AU591386B2 (en) | 1989-11-30 |
US4859543A (en) | 1989-08-22 |
ZA881989B (en) | 1988-09-12 |
EP0288775A1 (de) | 1988-11-02 |
AU1322988A (en) | 1988-12-08 |
JP2525639B2 (ja) | 1996-08-21 |
DE3878295D1 (de) | 1993-03-25 |
EP0288775B1 (de) | 1993-02-10 |
JPS63284396A (ja) | 1988-11-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification | ||
REN | Ceased due to non-payment of the annual fee |