BE597446A - Hole punch for wall drilling. - Google Patents

Hole punch for wall drilling.

Info

Publication number
BE597446A
BE597446A BE597446A BE597446A BE597446A BE 597446 A BE597446 A BE 597446A BE 597446 A BE597446 A BE 597446A BE 597446 A BE597446 A BE 597446A BE 597446 A BE597446 A BE 597446A
Authority
BE
Belgium
Prior art keywords
hole punch
wall drilling
drilling
wall
punch
Prior art date
Application number
BE597446A
Other languages
French (fr)
Inventor
Louis A Mortensen
Original Assignee
Aackersberg Mortensen
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 Aackersberg Mortensen filed Critical Aackersberg Mortensen
Publication of BE597446A publication Critical patent/BE597446A/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/58—Chisel-type inserts

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (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)
  • Earth Drilling (AREA)
BE597446A 1960-11-01 1960-11-24 Hole punch for wall drilling. BE597446A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK430860A DK97274C (en) 1960-11-01 1960-11-01 Murbor.

Publications (1)

Publication Number Publication Date
BE597446A true BE597446A (en) 1961-03-15

Family

ID=8132293

Family Applications (1)

Application Number Title Priority Date Filing Date
BE597446A BE597446A (en) 1960-11-01 1960-11-24 Hole punch for wall drilling.

Country Status (6)

Country Link
BE (1) BE597446A (en)
CH (1) CH382969A (en)
DE (1) DE1427732A1 (en)
DK (1) DK97274C (en)
ES (1) ES263157A1 (en)
GB (1) GB950625A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3966350A (en) * 1975-02-24 1976-06-29 Erickson Tool Company Spade drill
NL166204C (en) * 1976-07-06 1981-07-15 Hermanus Andreas Heitbrink CHISEL FOR A IMPACT TOOL.
DE3635538A1 (en) * 1986-10-18 1988-04-28 Hawera Probst Kg Hartmetall DRILLING TOOL WITH INTERCHANGEABLE CONVEYOR

Also Published As

Publication number Publication date
GB950625A (en) 1964-02-26
ES263157A1 (en) 1961-02-16
CH382969A (en) 1964-10-15
DE1427732A1 (en) 1968-12-12
DK97274C (en) 1963-11-04

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