FR663279A - Perforating device for use in mines - Google Patents

Perforating device for use in mines

Info

Publication number
FR663279A
FR663279A FR663279DA FR663279A FR 663279 A FR663279 A FR 663279A FR 663279D A FR663279D A FR 663279DA FR 663279 A FR663279 A FR 663279A
Authority
FR
France
Prior art keywords
mines
perforating device
perforating
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Josef Mertens
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
VAERST H GmbH
Original Assignee
VAERST H GmbH
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 VAERST H GmbH filed Critical VAERST H GmbH
Application granted granted Critical
Publication of FR663279A publication Critical patent/FR663279A/en
Expired legal-status Critical Current

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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • 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
    • E21B15/00—Supports for the drilling machine, e.g. derricks or masts
    • E21B15/006—Means for anchoring the drilling machine to the ground

Landscapes

  • Engineering & Computer Science (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)
  • Mechanical Engineering (AREA)
FR663279D 1928-10-31 1928-10-31 Perforating device for use in mines Expired FR663279A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR663279T 1928-10-31

Publications (1)

Publication Number Publication Date
FR663279A true FR663279A (en) 1929-08-19

Family

ID=9011964

Family Applications (1)

Application Number Title Priority Date Filing Date
FR663279D Expired FR663279A (en) 1928-10-31 1928-10-31 Perforating device for use in mines

Country Status (1)

Country Link
FR (1) FR663279A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1280178B (en) * 1966-06-25 1968-10-17 Maschfab Eisengiesserei Beien Drill head for a large hole drilling device
US4957175A (en) * 1985-05-10 1990-09-18 Yitshaq Lipsker Soil drilling equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1280178B (en) * 1966-06-25 1968-10-17 Maschfab Eisengiesserei Beien Drill head for a large hole drilling device
US4957175A (en) * 1985-05-10 1990-09-18 Yitshaq Lipsker Soil drilling equipment

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