DK90976A - STENBOR - Google Patents

STENBOR

Info

Publication number
DK90976A
DK90976A DK90976A DK90976A DK90976A DK 90976 A DK90976 A DK 90976A DK 90976 A DK90976 A DK 90976A DK 90976 A DK90976 A DK 90976A DK 90976 A DK90976 A DK 90976A
Authority
DK
Denmark
Prior art keywords
stenbor
Prior art date
Application number
DK90976A
Other languages
Danish (da)
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 DK90976A publication Critical patent/DK90976A/en

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)
DK90976A 1975-03-13 1976-03-03 STENBOR DK90976A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19757507903 DE7507903U (en) 1975-03-13 1975-03-13 STONE DRILLS

Publications (1)

Publication Number Publication Date
DK90976A true DK90976A (en) 1976-09-14

Family

ID=6650839

Family Applications (1)

Application Number Title Priority Date Filing Date
DK90976A DK90976A (en) 1975-03-13 1976-03-03 STENBOR

Country Status (10)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19819917A1 (en) * 1998-05-05 1999-11-18 Bosch Gmbh Robert Blind hole to take screw
DE10057877C2 (en) * 2000-11-22 2002-10-17 Lueken Gisela wellhead
DE102013205363B4 (en) 2013-03-26 2022-01-05 Kennametal Inc. Tool head and method for machining a metallic workpiece

Also Published As

Publication number Publication date
BE838084A (en) 1976-05-14
ES218957Y (en) 1977-01-16
DE7507903U (en) 1976-10-07
IT1056792B (en) 1982-02-20
ES218957U (en) 1976-09-01
CH607779A5 (en) 1978-10-31
AR205505A1 (en) 1976-05-07
NL7600521A (en) 1976-09-15
FR2303650A1 (en) 1976-10-08
BR7601447A (en) 1976-09-14

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