FR45541E - Foret à mèche amovible - Google Patents

Foret à mèche amovible

Info

Publication number
FR45541E
FR45541E FR45541DA FR45541E FR 45541 E FR45541 E FR 45541E FR 45541D A FR45541D A FR 45541DA FR 45541 E FR45541 E FR 45541E
Authority
FR
France
Prior art keywords
bit drill
removable bit
removable
drill
bit
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
Other languages
English (en)
Inventor
Harry Charles Norley
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 filed Critical
Application granted granted Critical
Publication of FR45541E publication Critical patent/FR45541E/fr
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
    • E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Drilling Tools (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Scissors And Nippers (AREA)
FR45541D 1934-01-13 1934-09-19 Foret à mèche amovible Expired FR45541E (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US706455A US1974540A (en) 1934-01-13 1934-01-13 Drill
GB26612/34A GB426470A (en) 1934-01-13 1934-09-17 Improvements in and relating to drills
FR45541T 1934-09-19

Publications (1)

Publication Number Publication Date
FR45541E true FR45541E (fr) 1935-09-12

Family

ID=8681271

Family Applications (1)

Application Number Title Priority Date Filing Date
FR45541D Expired FR45541E (fr) 1934-01-13 1934-09-19 Foret à mèche amovible

Country Status (3)

Country Link
US (1) US1974540A (fr)
FR (1) FR45541E (fr)
GB (1) GB426470A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3848478A (en) * 1973-09-12 1974-11-19 Gen Motors Corp Shift lever bowl assembly
DE102007016822B4 (de) * 2007-04-05 2009-01-15 Tracto-Technik Gmbh & Co. Kg Gestängekupplung mit Zapfen

Also Published As

Publication number Publication date
US1974540A (en) 1934-09-25
GB426470A (en) 1935-04-03

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