FR442495A - Hammer drill with fixing device - Google Patents

Hammer drill with fixing device

Info

Publication number
FR442495A
FR442495A FR442495A FR442495DA FR442495A FR 442495 A FR442495 A FR 442495A FR 442495 A FR442495 A FR 442495A FR 442495D A FR442495D A FR 442495DA FR 442495 A FR442495 A FR 442495A
Authority
FR
France
Prior art keywords
fixing device
hammer drill
hammer
drill
fixing
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
FR442495A
Other languages
French (fr)
Inventor
Henri Lefevre
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.)
HENRI LEFEVRE
Original Assignee
HENRI LEFEVRE
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 HENRI LEFEVRE filed Critical HENRI LEFEVRE
Application granted granted Critical
Publication of FR442495A publication Critical patent/FR442495A/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
    • 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)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
FR442495A 1912-04-12 1912-04-12 Hammer drill with fixing device Expired FR442495A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR442495T 1912-04-12

Publications (1)

Publication Number Publication Date
FR442495A true FR442495A (en) 1912-09-02

Family

ID=1483655

Family Applications (1)

Application Number Title Priority Date Filing Date
FR442495A Expired FR442495A (en) 1912-04-12 1912-04-12 Hammer drill with fixing device

Country Status (1)

Country Link
FR (1) FR442495A (en)

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