BR7601447A - Broca para pedras - Google Patents

Broca para pedras

Info

Publication number
BR7601447A
BR7601447A BR7601447A BR7601447A BR7601447A BR 7601447 A BR7601447 A BR 7601447A BR 7601447 A BR7601447 A BR 7601447A BR 7601447 A BR7601447 A BR 7601447A BR 7601447 A BR7601447 A BR 7601447A
Authority
BR
Brazil
Prior art keywords
stone drill
drill
stone
Prior art date
Application number
BR7601447A
Other languages
English (en)
Inventor
A Fischer
Original Assignee
Fischer Artur
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 Fischer Artur filed Critical Fischer Artur
Publication of BR7601447A publication Critical patent/BR7601447A/pt

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)
BR7601447A 1975-03-13 1976-03-10 Broca para pedras BR7601447A (pt)

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
BR7601447A true BR7601447A (pt) 1976-09-14

Family

ID=6650839

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7601447A BR7601447A (pt) 1975-03-13 1976-03-10 Broca para pedras

Country Status (10)

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

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
CH607779A5 (en) 1978-10-31
DE7507903U (de) 1976-10-07
NL7600521A (nl) 1976-09-15
ES218957Y (es) 1977-01-16
IT1056792B (it) 1982-02-20
ES218957U (es) 1976-09-01
FR2303650A1 (fr) 1976-10-08
BE838084A (fr) 1976-05-14
DK90976A (da) 1976-09-14
AR205505A1 (es) 1976-05-07

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