ZA957237B - Concave cutte bit - Google Patents
Concave cutte bitInfo
- Publication number
- ZA957237B ZA957237B ZA957237A ZA957237A ZA957237B ZA 957237 B ZA957237 B ZA 957237B ZA 957237 A ZA957237 A ZA 957237A ZA 957237 A ZA957237 A ZA 957237A ZA 957237 B ZA957237 B ZA 957237B
- Authority
- ZA
- South Africa
- Prior art keywords
- cutte
- concave
- bit
- cutte bit
- concave cutte
- Prior art date
Links
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
- E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Disintegrating Or Milling (AREA)
- Handling Of Sheets (AREA)
- Crushing And Pulverization Processes (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US32348194A | 1994-10-14 | 1994-10-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA957237B true ZA957237B (en) | 1996-04-17 |
Family
ID=23259388
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA957237A ZA957237B (en) | 1994-10-14 | 1995-08-29 | Concave cutte bit |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0784733A1 (en) |
JP (1) | JPH10508666A (en) |
CN (1) | CN1160431A (en) |
AU (1) | AU683404B2 (en) |
CA (1) | CA2198102A1 (en) |
DE (1) | DE784733T1 (en) |
ES (1) | ES2104523T1 (en) |
RU (1) | RU2126483C1 (en) |
WO (1) | WO1996012084A1 (en) |
ZA (1) | ZA957237B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3392450B1 (en) * | 2017-04-18 | 2022-10-19 | Sandvik Intellectual Property AB | Cutting apparatus |
WO2020121212A1 (en) * | 2018-12-12 | 2020-06-18 | Master Sinkers (Pty) Ltd | Cutter head arrangement |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1188305A (en) * | 1966-08-10 | 1970-04-15 | Coal Industry Patents Ltd | Improvements in Rotary Cutter Tools for Tunnelling and like Machines |
GB1284539A (en) * | 1968-12-07 | 1972-08-09 | Marwin Mining Tools Ltd | Mineral cutting tools |
CS202186B1 (en) * | 1977-11-29 | 1980-12-31 | Jaroslav Vasek | Knite incl. the knife holder determined for disconnectig the materials part. rocks |
FR2521633A1 (en) * | 1982-02-18 | 1983-08-19 | Guillet Justin | Drill bit for rock or concrete - has circular rows of hard metal cutters brazed in recesses in end of ring drill body |
DE3403480A1 (en) * | 1984-02-01 | 1985-08-08 | Siku GmbH Metall- und Kunststoffwarenfabrik, Rickenbach | Tool |
NO871037L (en) * | 1986-03-13 | 1987-09-14 | Smith International | Bit. |
US4911504A (en) * | 1988-07-20 | 1990-03-27 | Kennametal Inc. | Cutter bit and tip |
US5078219A (en) * | 1990-07-16 | 1992-01-07 | The United States Of America As Represented By The Secretary Of The Interior | Concave drag bit cutter device and method |
GB9224627D0 (en) * | 1992-11-24 | 1993-01-13 | De Beers Ind Diamond | Drill bit |
US5333938A (en) * | 1993-06-28 | 1994-08-02 | Caterpillar Inc. | Cutter bit |
-
1995
- 1995-08-01 WO PCT/US1995/009671 patent/WO1996012084A1/en not_active Application Discontinuation
- 1995-08-01 EP EP95928225A patent/EP0784733A1/en not_active Withdrawn
- 1995-08-01 CN CN95195657A patent/CN1160431A/en active Pending
- 1995-08-01 ES ES95928225T patent/ES2104523T1/en active Pending
- 1995-08-01 RU RU97108288A patent/RU2126483C1/en active
- 1995-08-01 AU AU32069/95A patent/AU683404B2/en not_active Ceased
- 1995-08-01 JP JP8513202A patent/JPH10508666A/en active Pending
- 1995-08-01 CA CA002198102A patent/CA2198102A1/en not_active Abandoned
- 1995-08-01 DE DE0784733T patent/DE784733T1/en active Pending
- 1995-08-29 ZA ZA957237A patent/ZA957237B/en unknown
Also Published As
Publication number | Publication date |
---|---|
RU2126483C1 (en) | 1999-02-20 |
DE784733T1 (en) | 1998-01-02 |
JPH10508666A (en) | 1998-08-25 |
EP0784733A1 (en) | 1997-07-23 |
CN1160431A (en) | 1997-09-24 |
AU3206995A (en) | 1996-05-06 |
ES2104523T1 (en) | 1997-10-16 |
CA2198102A1 (en) | 1996-04-25 |
WO1996012084A1 (en) | 1996-04-25 |
AU683404B2 (en) | 1997-11-06 |
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