BE609287A - - Google Patents
Info
- Publication number
- BE609287A BE609287A BE609287A BE609287A BE609287A BE 609287 A BE609287 A BE 609287A BE 609287 A BE609287 A BE 609287A BE 609287 A BE609287 A BE 609287A BE 609287 A BE609287 A BE 609287A
- Authority
- BE
- Belgium
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/08—Roller bits
- E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
- E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details
- E21B10/246—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details with pumping means for feeding lubricant
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3453361A GB939774A (xx) | 1961-09-26 | 1961-09-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE609287A true BE609287A (xx) | 1962-04-18 |
Family
ID=10366811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE609287A BE609287A (xx) | 1961-09-26 | 1961-10-18 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE609287A (xx) |
| DE (1) | DE1192997B (xx) |
| FR (1) | FR1310634A (xx) |
| GB (1) | GB939774A (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4199856A (en) * | 1978-07-31 | 1980-04-29 | Dresser Industries, Inc. | Method of providing lubricant volume displacement system for a rotary rock bit |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1041890B (de) * | 1957-10-08 | 1958-10-30 | Karl Guenther Bechem | Rollenmeissel |
| GB862104A (en) * | 1958-05-27 | 1961-03-01 | Hughes Tool Co | Lubricant seal |
-
1961
- 1961-09-26 GB GB3453361A patent/GB939774A/en not_active Expired
- 1961-10-07 DE DEH43829A patent/DE1192997B/de active Pending
- 1961-10-17 FR FR876191A patent/FR1310634A/fr not_active Expired
- 1961-10-18 BE BE609287A patent/BE609287A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB939774A (xx) | 1963-10-16 |
| DE1192997B (de) | 1965-05-20 |
| FR1310634A (fr) | 1962-11-30 |