CH138263A - Einrichtung an Gesteinsbohrmaschinen zum Absaugen des Bohrstaubes mittelst Hohlbohrers. - Google Patents

Einrichtung an Gesteinsbohrmaschinen zum Absaugen des Bohrstaubes mittelst Hohlbohrers.

Info

Publication number
CH138263A
CH138263A CH138263DA CH138263A CH 138263 A CH138263 A CH 138263A CH 138263D A CH138263D A CH 138263DA CH 138263 A CH138263 A CH 138263A
Authority
CH
Switzerland
Prior art keywords
extracting
equipment
hollow drill
drilling
dust
Prior art date
Application number
Other languages
English (en)
Inventor
Brunzel Karl
Original Assignee
Brunzel Karl
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 Brunzel Karl filed Critical Brunzel Karl
Publication of CH138263A publication Critical patent/CH138263A/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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/16—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using gaseous fluids

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)
CH138263D 1929-02-07 1929-02-07 Einrichtung an Gesteinsbohrmaschinen zum Absaugen des Bohrstaubes mittelst Hohlbohrers. CH138263A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH138263T 1929-02-07

Publications (1)

Publication Number Publication Date
CH138263A true CH138263A (de) 1930-02-28

Family

ID=4395649

Family Applications (1)

Application Number Title Priority Date Filing Date
CH138263D CH138263A (de) 1929-02-07 1929-02-07 Einrichtung an Gesteinsbohrmaschinen zum Absaugen des Bohrstaubes mittelst Hohlbohrers.

Country Status (1)

Country Link
CH (1) CH138263A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990002244A1 (en) * 1987-02-19 1990-03-08 Schagerstroem Tonie A drill for rock and concrete

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990002244A1 (en) * 1987-02-19 1990-03-08 Schagerstroem Tonie A drill for rock and concrete

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