BE650054A - - Google Patents

Info

Publication number
BE650054A
BE650054A BE650054DA BE650054A BE 650054 A BE650054 A BE 650054A BE 650054D A BE650054D A BE 650054DA BE 650054 A BE650054 A BE 650054A
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.)
Filing date
Publication date
Application filed filed Critical
Publication of BE650054A publication Critical patent/BE650054A/xx

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
    • E21B10/00—Drill bits
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers

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)
  • Percussive Tools And Related Accessories (AREA)
BE650054D 1964-02-19 1964-07-03 BE650054A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEW32143U DE1891805U (de) 1964-02-19 1964-02-19 Gesteins- und mineralbohrer mit mehreren stufenmeisseln.

Publications (1)

Publication Number Publication Date
BE650054A true BE650054A (enrdf_load_stackoverflow) 1964-11-03

Family

ID=33184975

Family Applications (1)

Application Number Title Priority Date Filing Date
BE650054D BE650054A (enrdf_load_stackoverflow) 1964-02-19 1964-07-03

Country Status (3)

Country Link
BE (1) BE650054A (enrdf_load_stackoverflow)
CH (1) CH416513A (enrdf_load_stackoverflow)
DE (1) DE1891805U (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2751848C3 (de) * 1977-11-19 1981-04-02 Vereinigte Edelstahlwerke AG (VEW) Wien Niederlassung Vereinigte Edelstahlwerke AG (VEW) Verkaufsniederlassung Büderich, 4005 Merbusch Stufendrehbohrkrone

Also Published As

Publication number Publication date
DE1891805U (de) 1964-04-30
CH416513A (de) 1966-07-15

Similar Documents

Publication Publication Date Title
AU442366B2 (enrdf_load_stackoverflow)
BE629793A (enrdf_load_stackoverflow)
BE610935A (enrdf_load_stackoverflow)
BE660929A (enrdf_load_stackoverflow)
BE660470A (enrdf_load_stackoverflow)
BE659908A (enrdf_load_stackoverflow)
BE659895A (enrdf_load_stackoverflow)
BE657949A (enrdf_load_stackoverflow)
BE657908A (enrdf_load_stackoverflow)
BE627931A (enrdf_load_stackoverflow)
BE657464A (enrdf_load_stackoverflow)
BE642974A (enrdf_load_stackoverflow)
BE642797A (enrdf_load_stackoverflow)
BE642770A (enrdf_load_stackoverflow)
BE642741A (enrdf_load_stackoverflow)
BE432268A (enrdf_load_stackoverflow)
BE47396A (enrdf_load_stackoverflow)
BE483969A (enrdf_load_stackoverflow)
BE507097A (enrdf_load_stackoverflow)
BE518974A (enrdf_load_stackoverflow)
BE554195A (enrdf_load_stackoverflow)
BE564626A (enrdf_load_stackoverflow)
BE584699A (enrdf_load_stackoverflow)
BE603534A (enrdf_load_stackoverflow)
BE650054A (enrdf_load_stackoverflow)