NL27076C - - Google Patents
Info
- Publication number
- NL27076C NL27076C NL27076DA NL27076C NL 27076 C NL27076 C NL 27076C NL 27076D A NL27076D A NL 27076DA NL 27076 C NL27076 C NL 27076C
- Authority
- NL
- Netherlands
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
- E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles
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)
- Rolls And Other Rotary Bodies (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US257259A US1692793A (en) | 1928-02-27 | 1928-02-27 | Earth-boring drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL27076C true NL27076C (en:Method) |
Family
ID=22975535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL27076D NL27076C (en:Method) | 1928-02-27 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US1692793A (en:Method) |
| BE (1) | BE355760A (en:Method) |
| DE (1) | DE508080C (en:Method) |
| FR (1) | FR664010A (en:Method) |
| GB (1) | GB306889A (en:Method) |
| NL (1) | NL27076C (en:Method) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4176724A (en) * | 1977-11-14 | 1979-12-04 | Smith International, Inc. | Rotary rock bit and method of making same |
| US5586611A (en) * | 1995-10-13 | 1996-12-24 | Cypress Services, Inc. | Drill bit having dual split bushings for cutter support and retention |
| WO2012148433A1 (en) * | 2011-04-29 | 2012-11-01 | Lane Brent | Borehole cutter retention and fastening/locking system |
| CN108474238A (zh) * | 2016-02-26 | 2018-08-31 | 哈里伯顿能源服务公司 | 中心具有轴向可调逆转刀具的混合钻头 |
| US11174683B2 (en) * | 2019-02-25 | 2021-11-16 | Century Products, Inc. | Tapered joint for securing cone arm in hole opener |
-
0
- NL NL27076D patent/NL27076C/xx active
- BE BE355760D patent/BE355760A/xx unknown
-
1928
- 1928-02-27 US US257259A patent/US1692793A/en not_active Expired - Lifetime
- 1928-11-09 GB GB32848/28A patent/GB306889A/en not_active Expired
- 1928-11-14 DE DER76269D patent/DE508080C/de not_active Expired
- 1928-11-15 FR FR664010D patent/FR664010A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB306889A (en) | 1930-01-16 |
| DE508080C (de) | 1930-09-24 |
| US1692793A (en) | 1928-11-20 |
| FR664010A (fr) | 1929-08-28 |
| BE355760A (en:Method) |