JPS5121922B1 - - Google Patents
Info
- Publication number
- JPS5121922B1 JPS5121922B1 JP5941669A JP5941669A JPS5121922B1 JP S5121922 B1 JPS5121922 B1 JP S5121922B1 JP 5941669 A JP5941669 A JP 5941669A JP 5941669 A JP5941669 A JP 5941669A JP S5121922 B1 JPS5121922 B1 JP S5121922B1
- Authority
- JP
- Japan
- 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.)
- Pending
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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
- E21B4/14—Fluid operated hammers
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US75299068A | 1968-08-15 | 1968-08-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5121922B1 true JPS5121922B1 (en) | 1976-07-06 |
Family
ID=25028717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5941669A Pending JPS5121922B1 (en) | 1968-08-15 | 1969-07-29 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5121922B1 (en) |
| AT (1) | AT317813B (en) |
| BE (1) | BE736749A (en) |
| DE (1) | DE1937778A1 (en) |
| FR (1) | FR2015700A1 (en) |
| GB (1) | GB1278127A (en) |
| SE (1) | SE385392B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0011219B1 (en) * | 1978-11-10 | 1983-05-25 | Halifax Tool Company Limited | Connection of fluid flow path-defining components in down-the-hole hammer drills |
| RU2093676C1 (en) * | 1996-08-30 | 1997-10-20 | Йелстаун Корпорейшн Н.В. | Subsurface pneumatic striker |
| CN102759335A (en) * | 2012-07-03 | 2012-10-31 | 湖北汽车工业学院 | Gas static pressure measuring head mechanism for car wheel detector |
| US10598218B2 (en) | 2015-08-04 | 2020-03-24 | Schaeffler Technologies AG & Co. KG | Angular contact roller bearing and method and device for the assembly thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1004694A (en) * | 1960-09-19 | 1965-09-15 | Mission Mfg Co | Improvements in or relating to percussion drilling apparatus |
-
1969
- 1969-07-09 GB GB3467069A patent/GB1278127A/en not_active Expired
- 1969-07-25 DE DE19691937778 patent/DE1937778A1/en active Pending
- 1969-07-28 SE SE1057569A patent/SE385392B/en unknown
- 1969-07-29 JP JP5941669A patent/JPS5121922B1/ja active Pending
- 1969-07-29 BE BE736749A patent/BE736749A/en unknown
- 1969-07-29 FR FR6925972A patent/FR2015700A1/fr not_active Withdrawn
- 1969-07-29 AT AT731069A patent/AT317813B/en not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1004694A (en) * | 1960-09-19 | 1965-09-15 | Mission Mfg Co | Improvements in or relating to percussion drilling apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| AT317813B (en) | 1974-09-10 |
| BE736749A (en) | 1970-01-29 |
| DE1937778A1 (en) | 1970-02-19 |
| SE385392B (en) | 1976-06-28 |
| FR2015700A1 (en) | 1970-04-30 |
| GB1278127A (en) | 1972-06-14 |