FR466620A - Perfectionnements apportés aux marteaux à percussion, perforatrices et autres appareils analogues - Google Patents

Perfectionnements apportés aux marteaux à percussion, perforatrices et autres appareils analogues

Info

Publication number
FR466620A
FR466620A FR466620DA FR466620A FR 466620 A FR466620 A FR 466620A FR 466620D A FR466620D A FR 466620DA FR 466620 A FR466620 A FR 466620A
Authority
FR
France
Prior art keywords
perforators
similar devices
impact hammers
hammers
impact
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)
Inventor
William Henry Wakfer
Samuel Peck
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR466620A publication Critical patent/FR466620A/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)
FR466620D 1913-12-26 1913-12-26 Perfectionnements apportés aux marteaux à percussion, perforatrices et autres appareils analogues Expired FR466620A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR466620T 1913-12-26

Publications (1)

Publication Number Publication Date
FR466620A true FR466620A (fr) 1914-05-19

Family

ID=1505367

Family Applications (1)

Application Number Title Priority Date Filing Date
FR466620D Expired FR466620A (fr) 1913-12-26 1913-12-26 Perfectionnements apportés aux marteaux à percussion, perforatrices et autres appareils analogues

Country Status (1)

Country Link
FR (1) FR466620A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE950060C (de) * 1950-12-24 1956-10-04 Rudolf Hausherr & Soehne Masch Presslufthammer od. dgl.
DE1128380B (de) * 1957-02-28 1962-04-26 Demag Ag Presslufthammer mit Bohrerhaltebuegel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE950060C (de) * 1950-12-24 1956-10-04 Rudolf Hausherr & Soehne Masch Presslufthammer od. dgl.
DE1128380B (de) * 1957-02-28 1962-04-26 Demag Ag Presslufthammer mit Bohrerhaltebuegel

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