CA947273A - Striking bar - Google Patents

Striking bar

Info

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
Application number
CA127801A
Other versions
CA127801S (en
Inventor
James F. Ordway
Edward A. Bailey
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Standard Oil Co
Original Assignee
Standard Oil Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Standard Oil Co filed Critical Standard Oil Co
Application granted granted Critical
Publication of CA947273A publication Critical patent/CA947273A/en
Expired legal-status Critical Current

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)
CA127801A 1970-11-23 1971-11-16 Striking bar Expired CA947273A (en)

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)

* Cited by examiner, † Cited by third party
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
SE515890C2 (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
CN104081343B (en) 2012-01-31 2016-08-17 国际商业机器公司 Main split's instruction of transaction memory
US11945087B2 (en) 2019-03-29 2024-04-02 Tien-I Industrial Co., Ltd. Impact tool head

Family Cites Families (4)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
US3666022A (en) 1972-05-30

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