CH293649A - Abnehmbare Schutzeinrichtung an Gesteinsbohrern. - Google Patents

Abnehmbare Schutzeinrichtung an Gesteinsbohrern.

Info

Publication number
CH293649A
CH293649A CH293649DA CH293649A CH 293649 A CH293649 A CH 293649A CH 293649D A CH293649D A CH 293649DA CH 293649 A CH293649 A CH 293649A
Authority
CH
Switzerland
Prior art keywords
protective device
removable protective
rock drills
drills
rock
Prior art date
Application number
Other languages
English (en)
Inventor
A S Hardmetall
Original Assignee
Hardmetall As
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 Hardmetall As filed Critical Hardmetall As
Publication of CH293649A publication Critical patent/CH293649A/de

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
    • E21B12/00—Accessories for drilling tools
    • E21B12/04—Drill bit protectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q13/00—Equipment for use with tools or cutters when not in operation, e.g. protectors for storage

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)
CH293649D 1951-08-15 1951-08-15 Abnehmbare Schutzeinrichtung an Gesteinsbohrern. CH293649A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH293649T 1951-08-15

Publications (1)

Publication Number Publication Date
CH293649A true CH293649A (de) 1953-10-15

Family

ID=4488246

Family Applications (1)

Application Number Title Priority Date Filing Date
CH293649D CH293649A (de) 1951-08-15 1951-08-15 Abnehmbare Schutzeinrichtung an Gesteinsbohrern.

Country Status (1)

Country Link
CH (1) CH293649A (de)

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