BR8401280A - Trepano rotativo - Google Patents
Trepano rotativoInfo
- Publication number
- BR8401280A BR8401280A BR8401280A BR8401280A BR8401280A BR 8401280 A BR8401280 A BR 8401280A BR 8401280 A BR8401280 A BR 8401280A BR 8401280 A BR8401280 A BR 8401280A BR 8401280 A BR8401280 A BR 8401280A
- Authority
- BR
- Brazil
- Prior art keywords
- trepane
- rotary
- rotary trepane
- Prior art date
Links
- 241000425571 Trepanes Species 0.000 title 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
- E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US47706883A | 1983-03-21 | 1983-03-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8401280A true BR8401280A (pt) | 1984-10-30 |
Family
ID=23894393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8401280A BR8401280A (pt) | 1983-03-21 | 1984-03-20 | Trepano rotativo |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0119620B1 (pt) |
| JP (1) | JPS6016692A (pt) |
| AU (1) | AU2568884A (pt) |
| BR (1) | BR8401280A (pt) |
| CA (1) | CA1218355A (pt) |
| DE (1) | DE3481435D1 (pt) |
| ZA (1) | ZA842109B (pt) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86100885A (zh) * | 1985-01-25 | 1986-08-20 | 诺顿-克里斯坦森公司 | 一种改进的沟槽切削型钻头 |
| US4673044A (en) * | 1985-08-02 | 1987-06-16 | Eastman Christensen Co. | Earth boring bit for soft to hard formations |
| GB2188354B (en) * | 1986-03-27 | 1989-11-22 | Shell Int Research | Rotary drill bit |
| US8485283B2 (en) | 2007-09-05 | 2013-07-16 | Groupe Fordia Inc. | Drill bit |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5382601A (en) * | 1976-12-28 | 1978-07-21 | Tokiwa Kogyo Kk | Rotary grinding type excavation drill head |
| US4351401A (en) * | 1978-06-08 | 1982-09-28 | Christensen, Inc. | Earth-boring drill bits |
| US4373593A (en) * | 1979-03-16 | 1983-02-15 | Christensen, Inc. | Drill bit |
| DE3114749C2 (de) * | 1981-04-11 | 1983-10-27 | Christensen, Inc., 84115 Salt Lake City, Utah | Keilförmiges Schneidglied für Drehbohrmeißel zum Tiefbohren |
| US4529047A (en) * | 1983-02-24 | 1985-07-16 | Norton Christensen, Inc. | Cutting tooth and a rotating bit having a fully exposed polycrystalline diamond element |
-
1984
- 1984-03-16 AU AU25688/84A patent/AU2568884A/en not_active Abandoned
- 1984-03-19 EP EP84102985A patent/EP0119620B1/en not_active Expired - Lifetime
- 1984-03-19 DE DE8484102985T patent/DE3481435D1/de not_active Expired - Lifetime
- 1984-03-19 JP JP59051265A patent/JPS6016692A/ja active Pending
- 1984-03-20 CA CA000450039A patent/CA1218355A/en not_active Expired
- 1984-03-20 BR BR8401280A patent/BR8401280A/pt unknown
- 1984-03-21 ZA ZA842109A patent/ZA842109B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CA1218355A (en) | 1987-02-24 |
| EP0119620B1 (en) | 1990-02-28 |
| DE3481435D1 (de) | 1990-04-05 |
| EP0119620A3 (en) | 1986-02-12 |
| JPS6016692A (ja) | 1985-01-28 |
| EP0119620A2 (en) | 1984-09-26 |
| ZA842109B (en) | 1984-11-28 |
| AU2568884A (en) | 1984-09-27 |
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