IT971088B - Utensile di trivellazione - Google Patents

Utensile di trivellazione

Info

Publication number
IT971088B
IT971088B IT3194472A IT3194472A IT971088B IT 971088 B IT971088 B IT 971088B IT 3194472 A IT3194472 A IT 3194472A IT 3194472 A IT3194472 A IT 3194472A IT 971088 B IT971088 B IT 971088B
Authority
IT
Italy
Prior art keywords
drilling tool
drilling
tool
Prior art date
Application number
IT3194472A
Other languages
English (en)
Italian (it)
Inventor
W Thies
Original Assignee
Wallram Hartmetall 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 Wallram Hartmetall Gmbh filed Critical Wallram Hartmetall Gmbh
Application granted granted Critical
Publication of IT971088B publication Critical patent/IT971088B/it

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
    • E21B10/36—Percussion drill bits
    • E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Drilling Tools (AREA)
  • Earth Drilling (AREA)
IT3194472A 1971-11-26 1972-11-22 Utensile di trivellazione IT971088B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712158628 DE2158628B1 (de) 1971-11-26 1971-11-26 Bohrschneide

Publications (1)

Publication Number Publication Date
IT971088B true IT971088B (it) 1974-04-30

Family

ID=5826189

Family Applications (1)

Application Number Title Priority Date Filing Date
IT3194472A IT971088B (it) 1971-11-26 1972-11-22 Utensile di trivellazione

Country Status (4)

Country Link
DE (1) DE2158628B1 (cs)
FR (1) FR2160881B1 (cs)
GB (1) GB1352960A (cs)
IT (1) IT971088B (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19734763A1 (de) * 1997-08-12 1999-02-18 Bosch Gmbh Robert Werkzeughalter für eine Handwerkzeugmaschine und darin einsetzbarer Werkzeugschaft

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1197183A (fr) * 1958-05-29 1959-11-27 J K Smit & Fils Ets Perfectionnements apportés aux têtes de forage diamantées
GB1181428A (en) * 1967-11-28 1970-02-18 Padley & Venables Ltd Improvements in or relating to Percussive Drill Bits
CH492867A (de) * 1968-11-12 1970-06-30 Karnebogen Richard Hartmetallbestückte Schlagbohrkrone

Also Published As

Publication number Publication date
DE2158628A1 (cs) 1973-05-03
FR2160881B1 (cs) 1975-06-13
FR2160881A1 (cs) 1973-07-06
GB1352960A (en) 1974-05-15
DE2158628B1 (de) 1973-05-03

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