NL7204245A - - Google Patents
Info
- Publication number
- NL7204245A NL7204245A NL7204245A NL7204245A NL7204245A NL 7204245 A NL7204245 A NL 7204245A NL 7204245 A NL7204245 A NL 7204245A NL 7204245 A NL7204245 A NL 7204245A NL 7204245 A NL7204245 A NL 7204245A
- 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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
-
- 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
- E21B10/40—Percussion drill bits with leading portion
-
- 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
- E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
- E21B10/445—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts percussion type, e.g. for masonry
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)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712129913 DE2129913A1 (de) | 1971-06-16 | 1971-06-16 | Gesteinsbohrer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7204245A true NL7204245A (de) | 1972-12-19 |
Family
ID=5810952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7204245A NL7204245A (de) | 1971-06-16 | 1972-03-29 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3773122A (de) |
| BE (1) | BE783531A (de) |
| DE (1) | DE2129913A1 (de) |
| FR (1) | FR2142345A5 (de) |
| IT (1) | IT953856B (de) |
| NL (1) | NL7204245A (de) |
| ZA (1) | ZA722924B (de) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2414354A1 (de) * | 1974-03-26 | 1975-10-16 | Heller Geb | Gesteinsbohrer |
| DE2756990C2 (de) * | 1977-12-21 | 1986-03-27 | Fried. Krupp Gmbh, 4300 Essen | Gesteinsbohrer |
| AT376765B (de) * | 1978-05-16 | 1984-12-27 | Guergen Karlheinz | Auswechselbare bohrkrone fuer einen bei allen gesteinsarten anwendbaren gesteindrehschlagbohrer und bohrhammer |
| DE3014693A1 (de) * | 1980-04-16 | 1981-10-22 | Hilti AG, 9494 Schaan | Gesteinsbohrer |
| DE3517560A1 (de) * | 1985-05-15 | 1986-11-20 | Hawera Probst Gmbh + Co, 7980 Ravensburg | Austausch-foerderwendel fuer gesteinsbohrer |
| DE3820695C2 (de) * | 1988-06-18 | 1996-07-25 | Hawera Probst Kg Hartmetall | Gesteinsbohrer |
| DE3834675A1 (de) * | 1988-10-12 | 1990-04-19 | Hawera Probst Kg Hartmetall | Bohrwerkzeug |
| US4917196A (en) * | 1989-08-15 | 1990-04-17 | Kennametal Inc. | Excavating tooth for an earth auger |
| US5143163A (en) * | 1991-08-29 | 1992-09-01 | Kennametal Inc. | Digging tooth |
| US5732784A (en) * | 1996-07-25 | 1998-03-31 | Nelson; Jack R. | Cutting means for drag drill bits |
| DE19807394A1 (de) * | 1998-02-21 | 1999-08-26 | Hilti Ag | Bohr- und/oder Meisselwerkzeug |
| US6374931B1 (en) * | 1999-11-03 | 2002-04-23 | Relton Corporation | Multiple cutter rotary hammer bit |
| US6352122B1 (en) * | 2000-01-12 | 2002-03-05 | Larry W. Love | Tool for planting flower bulbs and ornamentals |
| DE20016012U1 (de) * | 2000-09-15 | 2000-11-30 | Drebo Werkzeugfabrik Gmbh, 88361 Altshausen | Gesteinsbohrer |
| DE10117262A1 (de) * | 2001-01-17 | 2002-07-18 | Hilti Ag | Gesteinsbohrer |
| DE10260113A1 (de) * | 2002-12-19 | 2004-07-01 | Hawera Probst Gmbh | Gesteinsbohrer |
| US10507534B2 (en) | 2016-03-17 | 2019-12-17 | O-Tags, Inc. | Systems, methods, and apparatus for reliably installing survey tags |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2578593A (en) * | 1946-10-29 | 1951-12-11 | Phipps Orville | Auger-type drill bit |
| US2938709A (en) * | 1957-05-14 | 1960-05-31 | Joy Mfg Co | Percussive rock drill bit |
| CH354406A (fr) * | 1958-04-01 | 1961-05-31 | Uddeholms Ab | Couronne de fleuret à percussion pour le forage de trous larges |
| FR1265613A (fr) * | 1960-08-18 | 1961-06-30 | Diamant Boart Sa | Taillant pour forage de trous de mines et autres forages |
-
1971
- 1971-06-16 DE DE19712129913 patent/DE2129913A1/de active Pending
-
1972
- 1972-03-29 NL NL7204245A patent/NL7204245A/xx unknown
- 1972-04-28 IT IT23716/72A patent/IT953856B/it active
- 1972-05-01 ZA ZA722924A patent/ZA722924B/xx unknown
- 1972-05-12 FR FR7216947A patent/FR2142345A5/fr not_active Expired
- 1972-05-16 BE BE783531A patent/BE783531A/xx unknown
- 1972-06-07 US US00260562A patent/US3773122A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2129913A1 (de) | 1972-12-21 |
| US3773122A (en) | 1973-11-20 |
| FR2142345A5 (de) | 1973-01-26 |
| ZA722924B (en) | 1973-02-28 |
| IT953856B (it) | 1973-08-10 |
| BE783531A (fr) | 1972-09-18 |