FR1048762A - Improvements to the joints of punch elements - Google Patents

Improvements to the joints of punch elements

Info

Publication number
FR1048762A
FR1048762A FR1048762DA FR1048762A FR 1048762 A FR1048762 A FR 1048762A FR 1048762D A FR1048762D A FR 1048762DA FR 1048762 A FR1048762 A FR 1048762A
Authority
FR
France
Prior art keywords
joints
punch elements
punch
elements
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
French (fr)
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.)
Atlas Copco AB
Original Assignee
Atlas Diesel AB
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 Atlas Diesel AB filed Critical Atlas Diesel AB
Application granted granted Critical
Publication of FR1048762A publication Critical patent/FR1048762A/en
Expired legal-status Critical Current

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
    • 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
FR1048762D 1950-05-10 1951-05-09 Improvements to the joints of punch elements Expired FR1048762A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1048762X 1950-05-10

Publications (1)

Publication Number Publication Date
FR1048762A true FR1048762A (en) 1953-12-23

Family

ID=20419223

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1048762D Expired FR1048762A (en) 1950-05-10 1951-05-09 Improvements to the joints of punch elements

Country Status (1)

Country Link
FR (1) FR1048762A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1215080B (en) * 1963-09-27 1966-04-28 Ministerul Ind Petrolului Threadless drill rod connection

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1215080B (en) * 1963-09-27 1966-04-28 Ministerul Ind Petrolului Threadless drill rod connection

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