DE2851214C2 - - Google Patents
Info
- Publication number
- DE2851214C2 DE2851214C2 DE2851214A DE2851214A DE2851214C2 DE 2851214 C2 DE2851214 C2 DE 2851214C2 DE 2851214 A DE2851214 A DE 2851214A DE 2851214 A DE2851214 A DE 2851214A DE 2851214 C2 DE2851214 C2 DE 2851214C2
- Authority
- DE
- Germany
- 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
Classifications
-
- 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
-
- 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
- E21C35/1837—Mining picks; Holders therefor with inserts or layers of wear-resisting material characterised by the shape
-
- 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
- Y10T407/19—Rotary cutting tool
- Y10T407/1946—Face or end mill
- Y10T407/1948—Face or end mill with cutting edge entirely across end of tool [e.g., router bit, end mill, etc.]
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Crushing And Pulverization Processes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS777874A CS202186B1 (en) | 1977-11-29 | 1977-11-29 | Knite incl. the knife holder determined for disconnectig the materials part. rocks |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2851214A1 DE2851214A1 (de) | 1979-06-07 |
| DE2851214C2 true DE2851214C2 (US20100268047A1-20101021-C00003.png) | 1987-03-26 |
Family
ID=5428625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19782851214 Granted DE2851214A1 (de) | 1977-11-29 | 1978-11-27 | Messer mit messerhalter zum abtrennen von material, vor allem von gestein |
Country Status (5)
Families Citing this family (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3109367C2 (de) * | 1981-03-12 | 1983-11-17 | Hydroc Gesteinsbohrtechnik GmbH, 5960 Olpe | Bohrwerkzeug für Tieflochhämmer |
| US4502734A (en) * | 1981-06-25 | 1985-03-05 | Allan David T | Scabbler bits |
| EP0084418A3 (en) * | 1982-01-20 | 1983-08-10 | Unicorn Industries Limited | Improved drill bit and method |
| NO830532L (no) * | 1982-02-20 | 1983-08-22 | Nl Industries Inc | Borkrone. |
| DE3336154A1 (de) * | 1982-09-17 | 1985-04-25 | Ruhrkohle Ag, 4300 Essen | Rundschaftmeissel |
| DE3234521C2 (de) * | 1982-09-17 | 1986-11-06 | Ruhrkohle Ag, 4300 Essen | Rundschaftmeißel |
| GB2148353B (en) * | 1983-09-15 | 1986-03-05 | Boart Int Ltd | Mining picks |
| DE3347501C3 (de) * | 1983-12-29 | 1993-12-02 | Uwe Christian Seefluth | Bohrwerkzeug mit Hartmetalleinsatzkörper, Herstellverfahren für Hartmetalleinsatzkörper |
| US4654947A (en) * | 1985-12-02 | 1987-04-07 | W. Wesley Perry | Drill bit and method of renewing drill bit cutting face |
| DE3915722C2 (de) * | 1989-05-13 | 1995-04-13 | Sandvik Ab | Großlochbohrer |
| US5456522A (en) * | 1991-10-14 | 1995-10-10 | Kennametal Inc. | Concave cutter bit |
| US5338102A (en) * | 1993-06-28 | 1994-08-16 | Caterpillar Paving Products Inc. | Method of mining |
| AU683404B2 (en) * | 1994-10-14 | 1997-11-06 | Kennametal Inc. | Concave cutter bit |
| US5645323A (en) * | 1995-12-11 | 1997-07-08 | Kennametal Inc. | Concave cutter bit with sacrificial constraint |
| AU2007201463B2 (en) * | 2003-08-13 | 2010-09-09 | Sandvik Intellectual Property Ab | Shaped inserts with increased retention force |
| US20050127742A1 (en) * | 2003-12-11 | 2005-06-16 | River City Manufacturing Inc. | Retaining system for securing a cutting tool to a support block |
| US7927189B2 (en) * | 2004-08-16 | 2011-04-19 | United Technologies Corporation | Superabrasive tool |
| US7604073B2 (en) * | 2005-10-11 | 2009-10-20 | Us Synthetic Corporation | Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element |
| US7845436B2 (en) * | 2005-10-11 | 2010-12-07 | Us Synthetic Corporation | Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element |
| US7703559B2 (en) * | 2006-05-30 | 2010-04-27 | Smith International, Inc. | Rolling cutter |
| US20080251293A1 (en) * | 2007-04-12 | 2008-10-16 | Ulterra Drilling Technologies, L.L.C. | Circumvolve cutters for drill bit |
| US7762359B1 (en) | 2007-08-22 | 2010-07-27 | Us Synthetic Corporation | Cutter assembly including rotatable cutting element and drill bit using same |
| US8079431B1 (en) | 2009-03-17 | 2011-12-20 | Us Synthetic Corporation | Drill bit having rotational cutting elements and method of drilling |
| US8727043B2 (en) * | 2009-06-12 | 2014-05-20 | Smith International, Inc. | Cutter assemblies, downhole tools incorporating such cutter assemblies and methods of making such downhole tools |
| BR112013027545A2 (pt) * | 2011-04-26 | 2017-01-10 | Smith International | elemento de corte, e método para formar uma broca de perfuração |
| US8950516B2 (en) | 2011-11-03 | 2015-02-10 | Us Synthetic Corporation | Borehole drill bit cutter indexing |
| IN2012CH04699A (US20100268047A1-20101021-C00003.png) * | 2012-11-09 | 2015-06-19 | Kumar Mada Vijay | |
| US9624731B2 (en) | 2011-11-17 | 2017-04-18 | Smith International, Inc. | Rolling cutter with side retention |
| WO2015167570A2 (en) | 2014-05-01 | 2015-11-05 | Halliburton Energy Services Inc. | Rotatively mounting cutters on a drill bit |
| CA2951020C (en) | 2014-07-28 | 2020-03-24 | Halliburton Energy Services, Inc. | Rolling cutter assemblies |
| WO2016032441A1 (en) | 2014-08-26 | 2016-03-03 | Halliburton Energy Services, Inc. | Shape-based modeling of interactions between downhole drilling tools and rock formation |
| WO2016204764A1 (en) | 2015-06-18 | 2016-12-22 | Halliburton Energy Services, Inc. | Drill bit cutter having shaped cutting element |
| WO2017058430A1 (en) | 2015-09-29 | 2017-04-06 | Smith International, Inc. | Rotating cutting structures and structures for retaining the same |
| CN106378227B (zh) * | 2016-09-25 | 2018-07-10 | 新沂市港发商贸有限公司 | 一种重锤式碎料机及其碎料方法 |
| US11220865B2 (en) | 2019-02-25 | 2022-01-11 | Schlumberger Technology Corporation | Downhole drilling apparatus with rotatable cutting element |
| CN112697572B (zh) * | 2020-12-18 | 2023-08-29 | 浙江华东工程咨询有限公司 | 适用于泥质粉砂岩破碎的室内试验方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US336566A (en) * | 1886-02-23 | Counters | ||
| US1676887A (en) * | 1922-07-14 | 1928-07-10 | John R Chamberlin | Core-drill bit |
| GB280532A (en) * | 1926-11-10 | 1928-12-27 | Arthur Macdonald Gildersleeve | Improvements in apparatus for earth and rock drilling |
| US2833520A (en) * | 1957-01-07 | 1958-05-06 | Robert G Owen | Annular mill for use in oil wells |
| US3548476A (en) * | 1969-04-25 | 1970-12-22 | Dixie Tool Ind Inc | Milling cutter construction |
| US3692127A (en) * | 1971-05-10 | 1972-09-19 | Walter R Hampe | Rotary diamond core bit |
| US3863316A (en) * | 1973-12-07 | 1975-02-04 | Herbert G Yeo | Rotary cutting tool and method of manufacturing same |
-
1977
- 1977-11-29 CS CS777874A patent/CS202186B1/cs unknown
-
1978
- 1978-11-27 DE DE19782851214 patent/DE2851214A1/de active Granted
- 1978-11-28 US US05/964,360 patent/US4222446A/en not_active Expired - Lifetime
- 1978-11-29 JP JP53146661A patent/JPS60518B2/ja not_active Expired
- 1978-11-29 GB GB7846483A patent/GB2009287B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2851214A1 (de) | 1979-06-07 |
| US4222446A (en) | 1980-09-16 |
| JPS60518B2 (ja) | 1985-01-08 |
| GB2009287A (en) | 1979-06-13 |
| CS202186B1 (en) | 1980-12-31 |
| GB2009287B (en) | 1982-07-21 |
| JPS5490657A (en) | 1979-07-18 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |