CH382969A - Wall drill - Google Patents

Wall drill

Info

Publication number
CH382969A
CH382969A CH1380260A CH1380260A CH382969A CH 382969 A CH382969 A CH 382969A CH 1380260 A CH1380260 A CH 1380260A CH 1380260 A CH1380260 A CH 1380260A CH 382969 A CH382969 A CH 382969A
Authority
CH
Switzerland
Prior art keywords
wall drill
drill
wall
Prior art date
Application number
CH1380260A
Other languages
German (de)
Inventor
Mortensen Louis Aackersberg
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 CH382969A publication Critical patent/CH382969A/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
    • 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
    • E21B10/46—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)
CH1380260A 1960-11-01 1960-12-09 Wall drill CH382969A (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
CH382969A true CH382969A (en) 1964-10-15

Family

ID=8132293

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1380260A CH382969A (en) 1960-11-01 1960-12-09 Wall drill

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)

Cited By (1)

* 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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (1)

* 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

Also Published As

Publication number Publication date
BE597446A (en) 1961-03-15
DE1427732A1 (en) 1968-12-12
GB950625A (en) 1964-02-26
DK97274C (en) 1963-11-04
ES263157A1 (en) 1961-02-16

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