NL6604364A - - Google Patents
Info
- Publication number
- NL6604364A NL6604364A NL6604364A NL6604364A NL6604364A NL 6604364 A NL6604364 A NL 6604364A NL 6604364 A NL6604364 A NL 6604364A NL 6604364 A NL6604364 A NL 6604364A NL 6604364 A NL6604364 A NL 6604364A
- Authority
- NL
- Netherlands
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/26—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by impact tools, e.g. by chisels or other tools having a cutting edge
-
- 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
- E21B10/36—Percussion drill bits
- E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEB81274A DE1217903B (de) | 1965-04-02 | 1965-04-02 | Bohrkopf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6604364A true NL6604364A (xx) | 1966-10-03 |
Family
ID=6981029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6604364A NL6604364A (xx) | 1965-04-02 | 1966-04-01 |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH454064A (xx) |
| DE (1) | DE1217903B (xx) |
| NL (1) | NL6604364A (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1255065B (de) * | 1966-07-30 | 1967-11-30 | Richard Karnebogen | Schlagbohrkopf fuer pressluftbetriebene Versenkhaemmer |
| US4165790A (en) * | 1976-12-10 | 1979-08-28 | Fansteel Inc. | Roof drill bit |
| DE8025800U1 (de) * | 1980-09-26 | 1981-02-05 | Hawera Probst Gmbh + Co, 7980 Ravensburg | Bohrer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2507221A (en) * | 1946-08-19 | 1950-05-09 | Phipps Orville | Single edge percussion bit |
-
1965
- 1965-04-02 DE DEB81274A patent/DE1217903B/de active Pending
-
1966
- 1966-03-28 CH CH444466A patent/CH454064A/de unknown
- 1966-04-01 NL NL6604364A patent/NL6604364A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1217903B (de) | 1966-06-02 |
| CH454064A (de) | 1968-04-15 |