CA947273A - Striking bar - Google Patents
Striking barInfo
- Publication number
- CA947273A CA947273A CA127801A CA127801A CA947273A CA 947273 A CA947273 A CA 947273A CA 127801 A CA127801 A CA 127801A CA 127801 A CA127801 A CA 127801A CA 947273 A CA947273 A CA 947273A
- Authority
- CA
- Canada
- Prior art keywords
- striking bar
- striking
- bar
- Prior art date
- 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 OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9203370A | 1970-11-23 | 1970-11-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA947273A true CA947273A (en) | 1974-05-14 |
Family
ID=22231008
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA127801A Expired CA947273A (en) | 1970-11-23 | 1971-11-16 | Striking bar |
Country Status (2)
Country | Link |
---|---|
US (1) | US3666022A (en) |
CA (1) | CA947273A (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE469602B (en) * | 1985-04-04 | 1993-08-02 | Sandvik Ab | CUTTING HEAD BEFORE SHOCK DRILLING |
US5465799A (en) * | 1994-04-25 | 1995-11-14 | Ho; Hwa-Shan | System and method for precision downhole tool-face setting and survey measurement correction |
US5535837A (en) * | 1994-07-05 | 1996-07-16 | Grant Prideco, Inc. | Helical stress relief groove apparatus and method for subterranean well drill pipe assemblies |
GB2310391A (en) * | 1996-02-22 | 1997-08-27 | Boart Longyear Ltd | A shank adapter |
SE0004002L (en) * | 2000-11-02 | 2001-10-22 | Atlas Copco Rock Drills Ab | rock Drill |
SE523521C2 (en) * | 2002-09-27 | 2004-04-27 | Atlas Copco Rock Drills Ab | Impact adapter for transfer of stroke and rotation from a striking rock drill to a drill string |
DE102005062777A1 (en) * | 2005-12-28 | 2007-07-05 | Robert Bosch Gmbh | Striker for a striking mechanism |
DE102010043837A1 (en) * | 2010-11-12 | 2012-05-16 | Hilti Aktiengesellschaft | Schlagwerkskörper, percussion and hand tool with a striking mechanism |
GB2513516A (en) | 2012-01-31 | 2014-10-29 | Ibm | Major branch instructions with transactional memory |
US11945087B2 (en) | 2019-03-29 | 2024-04-02 | Tien-I Industrial Co., Ltd. | Impact tool head |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3074381A (en) * | 1961-07-12 | 1963-01-22 | Joy Mfg Co | Rock drill rotation mechanism |
US3138216A (en) * | 1962-06-25 | 1964-06-23 | Sandviken Jernverks Aktiebolag | Drill rod |
US3163237A (en) * | 1963-10-21 | 1964-12-29 | Fulon Charles | Impact drill |
US3368634A (en) * | 1965-08-12 | 1968-02-13 | Chicago Pneumatic Tool Co | Independent rotation rock drill |
-
1970
- 1970-11-23 US US92033A patent/US3666022A/en not_active Expired - Lifetime
-
1971
- 1971-11-16 CA CA127801A patent/CA947273A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3666022A (en) | 1972-05-30 |
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