SE365574B - - Google Patents
Info
- Publication number
- SE365574B SE365574B SE05936/70A SE593670A SE365574B SE 365574 B SE365574 B SE 365574B SE 05936/70 A SE05936/70 A SE 05936/70A SE 593670 A SE593670 A SE 593670A SE 365574 B SE365574 B SE 365574B
- Authority
- SE
- Sweden
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
- E21B10/44—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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691927754 DE1927754C3 (en) | 1969-05-30 | 1969-05-30 | Rock drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE365574B true SE365574B (en) | 1974-03-25 |
Family
ID=5735705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE05936/70A SE365574B (en) | 1969-05-30 | 1970-04-29 |
Country Status (11)
| Country | Link |
|---|---|
| AT (1) | AT296189B (en) |
| BE (1) | BE750655A (en) |
| CA (1) | CA961029A (en) |
| CH (1) | CH519094A (en) |
| DE (1) | DE1927754C3 (en) |
| DK (1) | DK137867B (en) |
| FR (1) | FR2048559A5 (en) |
| GB (1) | GB1280065A (en) |
| LU (1) | LU60960A1 (en) |
| NL (1) | NL162586C (en) |
| SE (1) | SE365574B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2735227C2 (en) * | 1977-08-04 | 1983-10-27 | Hawera Probst Gmbh + Co, 7980 Ravensburg | Rock drill |
| CH626557A5 (en) * | 1978-09-28 | 1981-11-30 | Guex Philippe & Fils Sa | |
| DE3014693A1 (en) * | 1980-04-16 | 1981-10-22 | Hilti AG, 9494 Schaan | ROCK DRILL |
| DE3834675A1 (en) * | 1988-10-12 | 1990-04-19 | Hawera Probst Kg Hartmetall | DRILLING TOOL |
| US5918105A (en) * | 1994-12-12 | 1999-06-29 | Black & Decker Inc. | Cutting tools for drilling concrete, aggregate, masonry or the like materials |
| TW299385B (en) * | 1994-12-12 | 1997-03-01 | Black & Decker Inc | Cutting tools for drilling concrete, aggregate, masonry or the like materials |
| US5641028A (en) * | 1995-08-10 | 1997-06-24 | Black & Decker Inc. | Drill bit with debris conveying flute |
| DE102016225458A1 (en) * | 2016-12-19 | 2018-06-21 | Robert Bosch Gmbh | Ultraschallbohrwerkzeug |
-
1969
- 1969-05-30 DE DE19691927754 patent/DE1927754C3/en not_active Expired
-
1970
- 1970-04-09 CH CH529170A patent/CH519094A/en not_active IP Right Cessation
- 1970-04-13 AT AT333870A patent/AT296189B/en active
- 1970-04-21 NL NL7005722A patent/NL162586C/en not_active IP Right Cessation
- 1970-04-29 SE SE05936/70A patent/SE365574B/xx unknown
- 1970-05-20 FR FR7018282A patent/FR2048559A5/fr not_active Expired
- 1970-05-20 BE BE750655D patent/BE750655A/en not_active IP Right Cessation
- 1970-05-21 LU LU60960D patent/LU60960A1/xx unknown
- 1970-05-28 DK DK272470A patent/DK137867B/en unknown
- 1970-05-29 GB GB2606670A patent/GB1280065A/en not_active Expired
- 1970-05-29 CA CA084,099A patent/CA961029A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1927754C3 (en) | 1978-12-14 |
| DK137867B (en) | 1978-05-22 |
| CA961029A (en) | 1975-01-14 |
| NL7005722A (en) | 1970-12-02 |
| AT296189B (en) | 1972-02-10 |
| BE750655A (en) | 1970-11-03 |
| GB1280065A (en) | 1972-07-05 |
| DE1927754B2 (en) | 1978-04-27 |
| NL162586C (en) | 1980-06-16 |
| CH519094A (en) | 1972-02-15 |
| DE1927754A1 (en) | 1970-12-17 |
| LU60960A1 (en) | 1970-07-21 |
| FR2048559A5 (en) | 1971-03-19 |
| NL162586B (en) | 1980-01-15 |