CH607779A5 - Rock drill - Google Patents

Rock drill

Info

Publication number
CH607779A5
CH607779A5 CH216776A CH216776A CH607779A5 CH 607779 A5 CH607779 A5 CH 607779A5 CH 216776 A CH216776 A CH 216776A CH 216776 A CH216776 A CH 216776A CH 607779 A5 CH607779 A5 CH 607779A5
Authority
CH
Switzerland
Prior art keywords
rock drill
drill
rock
Prior art date
Application number
CH216776A
Other languages
English (en)
Inventor
Artur Fischer
Original Assignee
Artur Fischer
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 Artur Fischer filed Critical Artur Fischer
Publication of CH607779A5 publication Critical patent/CH607779A5/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/0018—Drills for enlarging a hole
    • B23B51/0027—Drills for enlarging a hole by tool swivelling
    • 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)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Drilling Tools (AREA)
CH216776A 1975-03-13 1976-02-23 Rock drill CH607779A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19757507903 DE7507903U (de) 1975-03-13 1975-03-13 Steinbohrer

Publications (1)

Publication Number Publication Date
CH607779A5 true CH607779A5 (en) 1978-10-31

Family

ID=6650839

Family Applications (1)

Application Number Title Priority Date Filing Date
CH216776A CH607779A5 (en) 1975-03-13 1976-02-23 Rock drill

Country Status (10)

Country Link
AR (1) AR205505A1 (fr)
BE (1) BE838084A (fr)
BR (1) BR7601447A (fr)
CH (1) CH607779A5 (fr)
DE (1) DE7507903U (fr)
DK (1) DK90976A (fr)
ES (1) ES218957Y (fr)
FR (1) FR2303650A1 (fr)
IT (1) IT1056792B (fr)
NL (1) NL7600521A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19819917A1 (de) * 1998-05-05 1999-11-18 Bosch Gmbh Robert Sackloch, insbesondere zum Eindrehen von gewindeformenden Schrauben und ein Verfahren zu dessen Herstellung
DE10057877C2 (de) * 2000-11-22 2002-10-17 Lueken Gisela Bohrkopf
DE102013205363B4 (de) 2013-03-26 2022-01-05 Kennametal Inc. Werkzeugkopf sowie Verfahren zur Bearbeitung eines metallischen Werkstücks

Also Published As

Publication number Publication date
NL7600521A (nl) 1976-09-15
IT1056792B (it) 1982-02-20
BE838084A (fr) 1976-05-14
BR7601447A (pt) 1976-09-14
DK90976A (da) 1976-09-14
ES218957U (es) 1976-09-01
DE7507903U (de) 1976-10-07
ES218957Y (es) 1977-01-16
FR2303650A1 (fr) 1976-10-08
AR205505A1 (es) 1976-05-07

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Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased