FR388020A - Guide for hammer drills, operated by compressed air - Google Patents

Guide for hammer drills, operated by compressed air

Info

Publication number
FR388020A
FR388020A FR388020A FR388020DA FR388020A FR 388020 A FR388020 A FR 388020A FR 388020 A FR388020 A FR 388020A FR 388020D A FR388020D A FR 388020DA FR 388020 A FR388020 A FR 388020A
Authority
FR
France
Prior art keywords
operated
guide
compressed air
hammer drills
drills
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
FR388020A
Other languages
French (fr)
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.)
ARMATUREN und MASCHINENFABRIK
Original Assignee
ARMATUREN und MASCHINENFABRIK
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 ARMATUREN und MASCHINENFABRIK filed Critical ARMATUREN und MASCHINENFABRIK
Application granted granted Critical
Publication of FR388020A publication Critical patent/FR388020A/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)
FR388020A 1908-03-10 1908-03-10 Guide for hammer drills, operated by compressed air Expired FR388020A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR388020T 1908-03-10

Publications (1)

Publication Number Publication Date
FR388020A true FR388020A (en) 1908-07-31

Family

ID=1433717

Family Applications (1)

Application Number Title Priority Date Filing Date
FR388020A Expired FR388020A (en) 1908-03-10 1908-03-10 Guide for hammer drills, operated by compressed air

Country Status (1)

Country Link
FR (1) FR388020A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4819501A (en) * 1988-04-12 1989-04-11 Handy & Harman Automotive Group, Inc. Self-adjusting brake mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4819501A (en) * 1988-04-12 1989-04-11 Handy & Harman Automotive Group, Inc. Self-adjusting brake mechanism

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