FR2183904A1 - - Google Patents
Info
- Publication number
- FR2183904A1 FR2183904A1 FR7316446A FR7316446A FR2183904A1 FR 2183904 A1 FR2183904 A1 FR 2183904A1 FR 7316446 A FR7316446 A FR 7316446A FR 7316446 A FR7316446 A FR 7316446A FR 2183904 A1 FR2183904 A1 FR 2183904A1
- Authority
- FR
- France
- 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.)
- Withdrawn
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
- E21B10/08—Roller bits
- E21B10/10—Roller bits with roller axle supported at both ends
-
- 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
- E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type inserts
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US25160772A | 1972-05-08 | 1972-05-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2183904A1 true FR2183904A1 (cg-RX-API-DMAC10.html) | 1973-12-21 |
Family
ID=22952672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7316446A Withdrawn FR2183904A1 (cg-RX-API-DMAC10.html) | 1972-05-08 | 1973-05-08 |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS4961905A (cg-RX-API-DMAC10.html) |
| AU (1) | AU475924B2 (cg-RX-API-DMAC10.html) |
| CA (1) | CA975389A (cg-RX-API-DMAC10.html) |
| DE (1) | DE2323603A1 (cg-RX-API-DMAC10.html) |
| FR (1) | FR2183904A1 (cg-RX-API-DMAC10.html) |
| GB (1) | GB1410534A (cg-RX-API-DMAC10.html) |
| NO (1) | NO139495C (cg-RX-API-DMAC10.html) |
| SE (1) | SE404055B (cg-RX-API-DMAC10.html) |
| ZA (1) | ZA732541B (cg-RX-API-DMAC10.html) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3323615C2 (de) * | 1983-06-30 | 1985-06-27 | Erweka Apparatebau GmbH, 6056 Heusenstamm | Vorrichtung und Verfahren zur Entnahme und Messung von Proben |
| SE8307010L (sv) * | 1983-12-19 | 1985-06-20 | Santrade Ltd | Stift for slagborrande borrkrona och borrkrona derfor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3385385A (en) * | 1966-04-01 | 1968-05-28 | Reed Roller Bit Co | Drill bit |
-
1973
- 1973-04-12 CA CA168,525A patent/CA975389A/en not_active Expired
- 1973-04-12 ZA ZA732541A patent/ZA732541B/xx unknown
- 1973-04-19 AU AU54720/73A patent/AU475924B2/en not_active Expired
- 1973-05-04 GB GB2142573A patent/GB1410534A/en not_active Expired
- 1973-05-07 NO NO1867/73A patent/NO139495C/no unknown
- 1973-05-07 SE SE7306371A patent/SE404055B/xx unknown
- 1973-05-08 DE DE2323603A patent/DE2323603A1/de active Pending
- 1973-05-08 FR FR7316446A patent/FR2183904A1/fr not_active Withdrawn
- 1973-05-08 JP JP48050400A patent/JPS4961905A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NO139495B (no) | 1978-12-11 |
| NO139495C (no) | 1984-06-21 |
| AU475924B2 (en) | 1976-09-09 |
| GB1410534A (en) | 1975-10-15 |
| ZA732541B (en) | 1974-03-27 |
| JPS4961905A (cg-RX-API-DMAC10.html) | 1974-06-15 |
| CA975389A (en) | 1975-09-30 |
| AU5472073A (en) | 1974-10-24 |
| SE404055B (sv) | 1978-09-18 |
| DE2323603A1 (de) | 1973-11-22 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |