CH454064A - Bohrkopf - Google Patents

Bohrkopf

Info

Publication number
CH454064A
CH454064A CH444466A CH444466A CH454064A CH 454064 A CH454064 A CH 454064A CH 444466 A CH444466 A CH 444466A CH 444466 A CH444466 A CH 444466A CH 454064 A CH454064 A CH 454064A
Authority
CH
Switzerland
Prior art keywords
drill head
cuttings
suction
metal plate
hard metal
Prior art date
Application number
CH444466A
Other languages
German (de)
English (en)
Inventor
Stoll Martin
Original Assignee
Beteiligungs & Patentverw Gmbh
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 Beteiligungs & Patentverw Gmbh filed Critical Beteiligungs & Patentverw Gmbh
Publication of CH454064A publication Critical patent/CH454064A/de

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)
CH444466A 1965-04-02 1966-03-28 Bohrkopf CH454064A (de)

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
CH454064A true CH454064A (de) 1968-04-15

Family

ID=6981029

Family Applications (1)

Application Number Title Priority Date Filing Date
CH444466A CH454064A (de) 1965-04-02 1966-03-28 Bohrkopf

Country Status (3)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4165790A (en) * 1976-12-10 1979-08-28 Fansteel Inc. Roof drill bit

Families Citing this family (2)

* 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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4165790A (en) * 1976-12-10 1979-08-28 Fansteel Inc. Roof drill bit

Also Published As

Publication number Publication date
NL6604364A (xx) 1966-10-03
DE1217903B (de) 1966-06-02

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