IT941107B - ROCK FOIL FOR PERFORATRI CI PERCUSSION - Google Patents

ROCK FOIL FOR PERFORATRI CI PERCUSSION

Info

Publication number
IT941107B
IT941107B IT3085471A IT3085471A IT941107B IT 941107 B IT941107 B IT 941107B IT 3085471 A IT3085471 A IT 3085471A IT 3085471 A IT3085471 A IT 3085471A IT 941107 B IT941107 B IT 941107B
Authority
IT
Italy
Prior art keywords
perforatri
percussion
rock
foil
rock foil
Prior art date
Application number
IT3085471A
Other languages
Italian (it)
Original Assignee
Reinholdt H A S
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 Reinholdt H A S filed Critical Reinholdt H A S
Application granted granted Critical
Publication of IT941107B publication Critical patent/IT941107B/en

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
    • E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
    • E21B10/445—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts percussion type, e.g. for masonry

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)
IT3085471A 1970-11-25 1971-11-09 ROCK FOIL FOR PERFORATRI CI PERCUSSION IT941107B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702057892 DE2057892A1 (en) 1970-11-25 1970-11-25 Rock drill bits for impact drills

Publications (1)

Publication Number Publication Date
IT941107B true IT941107B (en) 1973-03-01

Family

ID=5789029

Family Applications (1)

Application Number Title Priority Date Filing Date
IT3085471A IT941107B (en) 1970-11-25 1971-11-09 ROCK FOIL FOR PERFORATRI CI PERCUSSION

Country Status (7)

Country Link
AT (1) AT313220B (en)
CH (1) CH525753A (en)
DE (1) DE2057892A1 (en)
FR (1) FR2115828A5 (en)
GB (1) GB1362292A (en)
IT (1) IT941107B (en)
NL (1) NL7114401A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH626557A5 (en) * 1978-09-28 1981-11-30 Guex Philippe & Fils Sa
DE3014693A1 (en) * 1980-04-16 1981-10-22 Hilti AG, 9494 Schaan ROCK DRILL
DE4338667A1 (en) * 1993-11-12 1995-05-18 Hilti Ag Drilling tool
US5641028A (en) * 1995-08-10 1997-06-24 Black & Decker Inc. Drill bit with debris conveying flute
GB2393681A (en) 2002-10-03 2004-04-07 Black & Decker Inc Masonry drilling tool

Also Published As

Publication number Publication date
CH525753A (en) 1972-07-31
NL7114401A (en) 1972-05-29
FR2115828A5 (en) 1972-07-07
DE2057892A1 (en) 1972-06-08
AT313220B (en) 1974-02-11
GB1362292A (en) 1974-08-07

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