BE616710A - Drill bits for hammer drills or perforators - Google Patents

Drill bits for hammer drills or perforators

Info

Publication number
BE616710A
BE616710A BE616710A BE616710A BE616710A BE 616710 A BE616710 A BE 616710A BE 616710 A BE616710 A BE 616710A BE 616710 A BE616710 A BE 616710A BE 616710 A BE616710 A BE 616710A
Authority
BE
Belgium
Prior art keywords
perforators
drill bits
hammer drills
drills
hammer
Prior art date
Application number
BE616710A
Other languages
French (fr)
Original Assignee
Uddeholms 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 Uddeholms Ab filed Critical Uddeholms Ab
Publication of BE616710A publication Critical patent/BE616710A/en

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
BE616710A 1961-05-15 1962-04-20 Drill bits for hammer drills or perforators BE616710A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE510261 1961-05-15
SE1286561 1961-12-22

Publications (1)

Publication Number Publication Date
BE616710A true BE616710A (en) 1962-08-16

Family

ID=26654598

Family Applications (1)

Application Number Title Priority Date Filing Date
BE616710A BE616710A (en) 1961-05-15 1962-04-20 Drill bits for hammer drills or perforators

Country Status (3)

Country Link
BE (1) BE616710A (en)
CH (1) CH408840A (en)
GB (1) GB975533A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5967693A (en) * 1997-06-09 1999-10-19 Clark Equipment Company Adapters for auger drive shaft

Also Published As

Publication number Publication date
GB975533A (en) 1964-11-18
CH408840A (en) 1966-03-15

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