FR981626A - Mechanical feed device for perforators - Google Patents

Mechanical feed device for perforators

Info

Publication number
FR981626A
FR981626A FR981626DA FR981626A FR 981626 A FR981626 A FR 981626A FR 981626D A FR981626D A FR 981626DA FR 981626 A FR981626 A FR 981626A
Authority
FR
France
Prior art keywords
perforators
feed device
mechanical feed
mechanical
feed
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.)
CONST ELECTRO MECANIQUES DE SA
Original Assignee
CONST ELECTRO MECANIQUES DE SA
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 CONST ELECTRO MECANIQUES DE SA filed Critical CONST ELECTRO MECANIQUES DE SA
Application granted granted Critical
Publication of FR981626A publication Critical patent/FR981626A/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
    • E21B19/081—Screw-and-nut 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)
  • Earth Drilling (AREA)
FR981626D 1949-01-04 1949-01-04 Mechanical feed device for perforators Expired FR981626A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR808943X 1949-01-04

Publications (1)

Publication Number Publication Date
FR981626A true FR981626A (en) 1951-05-29

Family

ID=9253260

Family Applications (1)

Application Number Title Priority Date Filing Date
FR981626D Expired FR981626A (en) 1949-01-04 1949-01-04 Mechanical feed device for perforators

Country Status (4)

Country Link
BE (1) BE488253A (en)
DE (1) DE808943C (en)
FR (1) FR981626A (en)
LU (1) LU29477A1 (en)

Also Published As

Publication number Publication date
BE488253A (en)
LU29477A1 (en)
DE808943C (en) 1951-07-23

Similar Documents

Publication Publication Date Title
FR1019686A (en) Excitation device
FR981626A (en) Mechanical feed device for perforators
FR1026076A (en) Feeding device for perforators
FR994256A (en) Knife for operations
FR978700A (en) Device for blowing in powders
CH275661A (en) Dispositif de commande pour véhicule à moteur.
FR982130A (en) Mechanical stripper for work on railway tracks
FR1008111A (en) Device for advancing rotary perforators
FR1003424A (en) Device for typographical changes
FR1026280A (en) Advancement device for shearers
FR1045566A (en) Device for vaginal irrigations
FR1004066A (en) Advanced feeder, for staplers
FR987892A (en) Printing device
FR1018090A (en) Variable impedance device
FR1004064A (en) Mobile anvil device for stapler-pinning machine
CH269724A (en) Device for trolling.
FR985074A (en) Advanced device for shaping flat surfaces of objects
FR986253A (en) Device for turning pages
FR991411A (en) Mechanical servo device
FR991885A (en) Anti-blind device for lighting devices
FR996949A (en) Device for underwater explorations
FR998256A (en) Device for dewatering silt
FR998336A (en) Device for moving scraper conveyors
FR988049A (en) Anchoring device for cable
FR995897A (en) Advanced signaling device for roads