BE603562A - - Google Patents

Info

Publication number
BE603562A
BE603562A BE603562DA BE603562A BE 603562 A BE603562 A BE 603562A BE 603562D A BE603562D A BE 603562DA BE 603562 A BE603562 A BE 603562A
Authority
BE
Belgium
Application number
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.)
Publication of BE603562A publication Critical patent/BE603562A/xx
Priority claimed from GB2943159A external-priority patent/GB932205A/en

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/08Roller bits
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/08Roller bits
    • E21B10/20Roller bits characterised by detachable or adjustable parts, e.g. legs or axles
BE603562D 1959-08-28 BE603562A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2943159A GB932205A (en) 1959-08-28 1959-08-28 Improvements in or relating to earth and rock drilling bits
GB3365659 1959-10-05

Publications (1)

Publication Number Publication Date
BE603562A true BE603562A (en)

Family

ID=26259914

Family Applications (1)

Application Number Title Priority Date Filing Date
BE603562D BE603562A (en) 1959-08-28

Country Status (6)

Country Link
US (1) US3186501A (en)
BE (1) BE603562A (en)
DE (1) DE1188529B (en)
FR (1) FR1287225A (en)
GB (1) GB832205A (en)
NL (1) NL263085A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3327794A (en) * 1964-10-16 1967-06-27 Ernest S Creel Drill bit assembly
AU539088B2 (en) * 1979-01-12 1984-09-13 Kennametal Inc. Detachable roller bit rotary cone cutter
DE3021733C2 (en) * 1980-06-10 1982-09-30 Kennametal Inc., 15650 Latrobe, Pa. Tapered roller turning tool
EP0059497B1 (en) * 1981-03-02 1985-05-15 Agfa-Gevaert N.V. Photographic silver halide colour materials and process for the production of dye images by diffusion transfer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2656153A (en) * 1949-09-12 1953-10-20 Thomas A White Rotary drilling bit
US2890020A (en) * 1949-11-30 1959-06-09 Herbert J Hawthorne Removable blade drag bits
US2831657A (en) * 1949-11-30 1958-04-22 Herbert J Hawthorne Removable blade drag bits
US2599854A (en) * 1949-12-10 1952-06-10 Paul A Mcmurdy Well-drilling bit
US2783973A (en) * 1951-02-20 1957-03-05 Herbert J Hawthorne Drill bit
US2859942A (en) * 1957-05-15 1958-11-11 Earl M Weaver Detachable blade bit
US3039548A (en) * 1958-01-30 1962-06-19 Wendell Coffee Detachable blade bit

Also Published As

Publication number Publication date
GB832205A (en) 1960-04-06
US3186501A (en) 1965-06-01
NL263085A (en)
FR1287225A (en) 1962-03-09
DE1188529B (en) 1965-03-11

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