FR704830A - Advancement device for percussion motors - Google Patents

Advancement device for percussion motors

Info

Publication number
FR704830A
FR704830A FR704830DA FR704830A FR 704830 A FR704830 A FR 704830A FR 704830D A FR704830D A FR 704830DA FR 704830 A FR704830 A FR 704830A
Authority
FR
France
Prior art keywords
advancement device
percussion
motors
percussion motors
advancement
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)
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
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 Ingersoll Rand Co filed Critical Ingersoll Rand Co
Application granted granted Critical
Publication of FR704830A publication Critical patent/FR704830A/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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/083—Cam, rack or like feed mechanisms

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)
  • Percussive Tools And Related Accessories (AREA)
FR704830D 1930-03-11 1930-10-31 Advancement device for percussion motors Expired FR704830A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US559912XA 1930-03-11 1930-03-11

Publications (1)

Publication Number Publication Date
FR704830A true FR704830A (en) 1931-05-27

Family

ID=22001426

Family Applications (1)

Application Number Title Priority Date Filing Date
FR704830D Expired FR704830A (en) 1930-03-11 1930-10-31 Advancement device for percussion motors

Country Status (3)

Country Link
BE (1) BE374712A (en)
DE (1) DE559912C (en)
FR (1) FR704830A (en)

Also Published As

Publication number Publication date
BE374712A (en)
DE559912C (en) 1932-09-26

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