FR2024992A1 - - Google Patents
Info
- Publication number
- FR2024992A1 FR2024992A1 FR6940784A FR6940784A FR2024992A1 FR 2024992 A1 FR2024992 A1 FR 2024992A1 FR 6940784 A FR6940784 A FR 6940784A FR 6940784 A FR6940784 A FR 6940784A FR 2024992 A1 FR2024992 A1 FR 2024992A1
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/04—Drills for trepanning
- B23B51/0473—Details about the connection between the driven shaft and the tubular cutting part; Arbors
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2226/00—Materials of tools or workpieces not comprising a metal
- B23B2226/75—Stone, rock or concrete
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Drilling Tools (AREA)
- Percussive Tools And Related Accessories (AREA)
- Earth Drilling (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19681812229 DE1812229A1 (de) | 1968-12-02 | 1968-12-02 | Bohrer bzw. Bohrerhalter fuer Bohrhaemmer |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2024992A1 true FR2024992A1 (de) | 1970-09-04 |
Family
ID=5714983
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6940784A Withdrawn FR2024992A1 (de) | 1968-12-02 | 1969-11-26 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3690390A (de) |
CH (1) | CH507067A (de) |
DE (1) | DE1812229A1 (de) |
FR (1) | FR2024992A1 (de) |
GB (1) | GB1261776A (de) |
SE (1) | SE386394B (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2416103A1 (fr) * | 1978-02-07 | 1979-08-31 | Nielsen Mogens | Procede et outil pour realiser un trou dans du beton arme |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2419548C2 (de) * | 1974-04-23 | 1983-05-05 | Hawera Probst Gmbh + Co, 7980 Ravensburg | Bohrwerkzeug für Bohrhämmer |
DE2440082C3 (de) * | 1974-08-19 | 1982-02-25 | Durofac-Kartro A/S, Valby | Hammerbohrereinrichtung |
US4007795A (en) * | 1976-02-13 | 1977-02-15 | Skil Corporation | Attachment for a rotary-hammer tool |
FI108006B (fi) * | 1994-08-09 | 2001-11-15 | Sandvik Tamrock Oy | Rikotuslaitteen työväline |
GB2314287B (en) * | 1996-06-19 | 2001-01-10 | John Terrance Crilly | Hand held power tools |
DE19740277B4 (de) * | 1997-09-13 | 2012-05-24 | Robert Bosch Gmbh | Bohrwerkzeug |
US5979913A (en) * | 1998-05-19 | 1999-11-09 | Kosik; Thomas | Universal driving and setting tool and method of using same |
DE10117262A1 (de) * | 2001-01-17 | 2002-07-18 | Hilti Ag | Gesteinsbohrer |
US20160059322A1 (en) * | 2014-08-29 | 2016-03-03 | Seth Breslaw | Second stage drill bit |
US20180001395A1 (en) * | 2016-06-30 | 2018-01-04 | Shehkai Precision Co., Ltd. | Dust vacuuming drill device with an internal dust passageway and method for producing the same |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2868507A (en) * | 1954-07-26 | 1959-01-13 | American Percussion Tool Compa | Well drilling equipment |
US2873093A (en) * | 1956-09-19 | 1959-02-10 | Jersey Prod Res Co | Combined rotary and percussion drilling apparatus |
US3050032A (en) * | 1960-12-30 | 1962-08-21 | Carey Machine & Supply Inc | Percussion-type drill |
-
1968
- 1968-12-02 DE DE19681812229 patent/DE1812229A1/de active Pending
-
1969
- 1969-11-20 CH CH1731269A patent/CH507067A/de not_active IP Right Cessation
- 1969-11-24 GB GB57325/69A patent/GB1261776A/en not_active Expired
- 1969-11-26 FR FR6940784A patent/FR2024992A1/fr not_active Withdrawn
- 1969-11-28 US US880748A patent/US3690390A/en not_active Expired - Lifetime
- 1969-12-01 SE SE6916502A patent/SE386394B/xx unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2416103A1 (fr) * | 1978-02-07 | 1979-08-31 | Nielsen Mogens | Procede et outil pour realiser un trou dans du beton arme |
Also Published As
Publication number | Publication date |
---|---|
CH507067A (de) | 1971-05-15 |
DE1812229A1 (de) | 1971-01-14 |
GB1261776A (en) | 1972-01-26 |
US3690390A (en) | 1972-09-12 |
SE386394B (sv) | 1976-08-09 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |