FR741536A - - Google Patents

Info

Publication number
FR741536A
FR741536A FR741536DA FR741536A FR 741536 A FR741536 A FR 741536A FR 741536D A FR741536D A FR 741536DA FR 741536 A FR741536 A FR 741536A
Authority
FR
France
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)
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.)
Publication date
Application granted granted Critical
Publication of FR741536A publication Critical patent/FR741536A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
    • B66C3/12—Grabs actuated by two or more ropes
    • 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
    • E21B11/00—Other drilling tools
    • E21B11/04—Boring grabs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (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)
  • Earth Drilling (AREA)
FR741536D 1932-08-25 Expired FR741536A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1985710X 1932-08-25

Publications (1)

Publication Number Publication Date
FR741536A true FR741536A (ja) 1933-02-10

Family

ID=9682790

Family Applications (1)

Application Number Title Priority Date Filing Date
FR741536D Expired FR741536A (ja) 1932-08-25

Country Status (2)

Country Link
US (1) US1985710A (ja)
FR (1) FR741536A (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2660862A (en) * 1948-09-25 1953-12-01 Capblanch Julian Apparatus for constructing posts in the ground
US2645458A (en) * 1950-07-29 1953-07-14 Yost Merrill Hole boring rig
US2828943A (en) * 1953-11-17 1958-04-01 Ricouard Henri Leon Georges Boring apparatus
US3113629A (en) * 1960-11-29 1963-12-10 Benoto Sa Boring apparatus whose opening is adjustable
DE2405142C2 (de) * 1974-01-31 1975-10-09 6600 Saarbruecken Bohrgreifer für Pfahlgründungen und Brunnenbohrungen
ES2183747B1 (es) * 2001-08-30 2004-08-01 S.A. Trabajos Y Obras (Sato) Dispositivo de garra retractil para la recuperacion de bloques sumergidos en un medio maritimo.

Also Published As

Publication number Publication date
US1985710A (en) 1934-12-25

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