FR1170676A - Device adaptable to an agricultural tractor and intended to dig holes for planting - Google Patents

Device adaptable to an agricultural tractor and intended to dig holes for planting

Info

Publication number
FR1170676A
FR1170676A FR1170676DA FR1170676A FR 1170676 A FR1170676 A FR 1170676A FR 1170676D A FR1170676D A FR 1170676DA FR 1170676 A FR1170676 A FR 1170676A
Authority
FR
France
Prior art keywords
planting
intended
agricultural tractor
device adaptable
dig holes
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)
Inventor
Jean Poudou
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 filed Critical
Application granted granted Critical
Publication of FR1170676A publication Critical patent/FR1170676A/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
    • E21B19/087—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 by means of a swinging arm
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
    • A01C5/04—Machines for making or covering holes for sowing or planting

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Soil Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Environmental Sciences (AREA)
FR1170676D 1957-04-06 1957-04-06 Device adaptable to an agricultural tractor and intended to dig holes for planting Expired FR1170676A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1170676T 1957-04-06

Publications (1)

Publication Number Publication Date
FR1170676A true FR1170676A (en) 1959-01-16

Family

ID=9657205

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1170676D Expired FR1170676A (en) 1957-04-06 1957-04-06 Device adaptable to an agricultural tractor and intended to dig holes for planting

Country Status (1)

Country Link
FR (1) FR1170676A (en)

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