FR2175784B3 - - Google Patents
Info
- Publication number
- FR2175784B3 FR2175784B3 FR7307747A FR7307747A FR2175784B3 FR 2175784 B3 FR2175784 B3 FR 2175784B3 FR 7307747 A FR7307747 A FR 7307747A FR 7307747 A FR7307747 A FR 7307747A FR 2175784 B3 FR2175784 B3 FR 2175784B3
- Authority
- FR
- France
- 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.)
- Expired
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 |
|---|---|---|---|
| DE2211532A DE2211532C2 (de) | 1972-03-10 | 1972-03-10 | Bohrer mit wendelförmiger Bohrmehlnut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2175784A1 FR2175784A1 (fr) | 1973-10-26 |
| FR2175784B3 true FR2175784B3 (fr) | 1976-03-05 |
Family
ID=5838474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7307747A Expired FR2175784B3 (fr) | 1972-03-10 | 1973-03-05 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3845829A (fr) |
| AT (1) | AT333177B (fr) |
| BE (1) | BE796338A (fr) |
| CH (1) | CH566197A5 (fr) |
| DE (1) | DE2211532C2 (fr) |
| FR (1) | FR2175784B3 (fr) |
| GB (1) | GB1430267A (fr) |
| LU (1) | LU67179A1 (fr) |
| NL (1) | NL7303400A (fr) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2808885C2 (de) * | 1978-03-02 | 1986-11-20 | Hawera Probst Gmbh + Co, 7980 Ravensburg | Drehschlagbohrer für Gestein und dergleichen |
| CH626557A5 (fr) * | 1978-09-28 | 1981-11-30 | Guex Philippe & Fils Sa | |
| DE3500202A1 (de) * | 1985-01-05 | 1986-07-10 | Hawera Probst Gmbh + Co, 7980 Ravensburg | Bohrwerkzeuge |
| DE3820695C2 (de) * | 1988-06-18 | 1996-07-25 | Hawera Probst Kg Hartmetall | Gesteinsbohrer |
| 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 |
| DE10024433A1 (de) | 2000-05-19 | 2001-11-29 | Hawera Probst Gmbh | Gesteinsbohrer |
| JP4809711B2 (ja) * | 2006-03-22 | 2011-11-09 | 日本プロジェクト株式会社 | ドリル |
| EP3338934A1 (fr) * | 2016-12-23 | 2018-06-27 | HILTI Aktiengesellschaft | Procédé de production d'une tige de forage pour une couronne de forage humide |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE584050C (de) * | 1930-06-03 | 1933-09-14 | Siemens Schuckertwerke Akt Ges | Gesteinsbohrer mit Schneidenkoerper aus Hartmetall |
| DE829568C (de) * | 1949-04-06 | 1952-01-28 | Siemens Ag | Bohrer mit Hartmetalleinlage fuer Gesteine, insbesondere Eisenbeton und harte, stark unterschiedliche Mischgesteine |
| US2632856A (en) * | 1949-12-10 | 1953-03-24 | William E Beatty | Wattmetric regulator for prime mover dynamo plants |
| US2728558A (en) * | 1952-06-26 | 1955-12-27 | New England Carbide Tool Compa | Masonry drill |
| GB776353A (en) * | 1954-05-05 | 1957-06-05 | Rawlplug Co Ltd | Improved rotary drills |
| FR1118255A (fr) * | 1955-01-26 | 1956-06-04 | Foret pour marbre, granit, faïence, fonte et autres matériaux | |
| GB832238A (en) * | 1956-10-08 | 1960-04-06 | Rawlplug Co Ltd | Improvements in or relating to rotary masonry drills |
| GB823731A (en) * | 1956-11-13 | 1959-11-18 | Robert Edward Mason | Improvements in or relating to masonry drills |
| US2902260A (en) * | 1957-07-16 | 1959-09-01 | Carl V Tilden | Drill bit |
| US3117637A (en) * | 1960-11-01 | 1964-01-14 | Mortensen Louis Aackersberg | Drill bit |
| GB1008029A (en) * | 1963-09-02 | 1965-10-22 | John M Perkins & Smith Ltd | Drill bits |
| DE1427773A1 (de) * | 1965-11-27 | 1969-07-17 | Thorsman Oswald Willy | Bohrer mit Bohrtiefmarkierungen fuer den Einsatz in Kombination mit Pfloecken und ein Pflocksatz fuer einen derartigen Bohrer |
| DE1602003B1 (de) * | 1966-06-08 | 1971-03-11 | Netherlands Tool Mfg Co | Gesteinsbohrer |
| US3447616A (en) * | 1966-12-29 | 1969-06-03 | Zigmund E Granat | Drills |
-
1972
- 1972-03-10 DE DE2211532A patent/DE2211532C2/de not_active Expired
-
1973
- 1973-02-23 CH CH271773A patent/CH566197A5/xx not_active IP Right Cessation
- 1973-03-01 AT AT181173A patent/AT333177B/de active
- 1973-03-05 FR FR7307747A patent/FR2175784B3/fr not_active Expired
- 1973-03-06 BE BE128425A patent/BE796338A/fr unknown
- 1973-03-08 LU LU67179A patent/LU67179A1/xx unknown
- 1973-03-09 NL NL7303400A patent/NL7303400A/xx not_active Application Discontinuation
- 1973-03-12 GB GB1176773A patent/GB1430267A/en not_active Expired
- 1973-03-12 US US00340278A patent/US3845829A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3845829A (en) | 1974-11-05 |
| CH566197A5 (fr) | 1975-09-15 |
| BE796338A (fr) | 1973-07-02 |
| LU67179A1 (fr) | 1973-05-22 |
| GB1430267A (en) | 1976-03-31 |
| DE2211532C2 (de) | 1982-07-01 |
| ATA181173A (de) | 1976-02-15 |
| AT333177B (de) | 1976-11-10 |
| DE2211532A1 (de) | 1973-09-13 |
| FR2175784A1 (fr) | 1973-10-26 |
| NL7303400A (fr) | 1973-09-12 |