FR871080A - Marteau piqueur - Google Patents

Marteau piqueur

Info

Publication number
FR871080A
FR871080A FR871080DA FR871080A FR 871080 A FR871080 A FR 871080A FR 871080D A FR871080D A FR 871080DA FR 871080 A FR871080 A FR 871080A
Authority
FR
France
Prior art keywords
jackhammer
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
English (en)
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.)
FLOTTMANN AG
Original Assignee
FLOTTMANN AG
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 FLOTTMANN AG filed Critical FLOTTMANN AG
Application granted granted Critical
Publication of FR871080A publication Critical patent/FR871080A/fr
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
    • E21B6/00—Drives for drilling with combined rotary and percussive action
    • E21B6/06—Drives for drilling with combined rotary and percussive action the rotation being intermittent, e.g. obtained by ratchet device

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (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)
FR871080D 1940-03-27 1941-03-26 Marteau piqueur Expired FR871080A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE220151X 1940-03-27

Publications (1)

Publication Number Publication Date
FR871080A true FR871080A (fr) 1942-04-07

Family

ID=5832914

Family Applications (1)

Application Number Title Priority Date Filing Date
FR871080D Expired FR871080A (fr) 1940-03-27 1941-03-26 Marteau piqueur

Country Status (3)

Country Link
BE (1) BE441002A (cs)
CH (1) CH220151A (cs)
FR (1) FR871080A (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE924202C (de) * 1952-10-26 1955-02-28 Friedrich Heinrich Flottmann F Bohrhammer

Also Published As

Publication number Publication date
CH220151A (de) 1942-03-31
BE441002A (cs)

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