NL6604364A - - Google Patents

Info

Publication number
NL6604364A
NL6604364A NL6604364A NL6604364A NL6604364A NL 6604364 A NL6604364 A NL 6604364A NL 6604364 A NL6604364 A NL 6604364A NL 6604364 A NL6604364 A NL 6604364A NL 6604364 A NL6604364 A NL 6604364A
Authority
NL
Netherlands
Application number
NL6604364A
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 NL6604364A publication Critical patent/NL6604364A/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/26—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by impact tools, e.g. by chisels or other tools having a cutting edge
    • 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
    • E21B10/36—Percussion drill bits
    • E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
NL6604364A 1965-04-02 1966-04-01 NL6604364A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB81274A DE1217903B (de) 1965-04-02 1965-04-02 Bohrkopf

Publications (1)

Publication Number Publication Date
NL6604364A true NL6604364A (enrdf_load_html_response) 1966-10-03

Family

ID=6981029

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6604364A NL6604364A (enrdf_load_html_response) 1965-04-02 1966-04-01

Country Status (3)

Country Link
CH (1) CH454064A (enrdf_load_html_response)
DE (1) DE1217903B (enrdf_load_html_response)
NL (1) NL6604364A (enrdf_load_html_response)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1255065B (de) * 1966-07-30 1967-11-30 Richard Karnebogen Schlagbohrkopf fuer pressluftbetriebene Versenkhaemmer
US4165790A (en) * 1976-12-10 1979-08-28 Fansteel Inc. Roof drill bit
DE8025800U1 (de) * 1980-09-26 1981-02-05 Hawera Probst Gmbh + Co, 7980 Ravensburg Bohrer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2507221A (en) * 1946-08-19 1950-05-09 Phipps Orville Single edge percussion bit

Also Published As

Publication number Publication date
DE1217903B (de) 1966-06-02
CH454064A (de) 1968-04-15

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