FR2481183B1 - - Google Patents

Info

Publication number
FR2481183B1
FR2481183B1 FR8101826A FR8101826A FR2481183B1 FR 2481183 B1 FR2481183 B1 FR 2481183B1 FR 8101826 A FR8101826 A FR 8101826A FR 8101826 A FR8101826 A FR 8101826A FR 2481183 B1 FR2481183 B1 FR 2481183B1
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
FR8101826A
Other languages
French (fr)
Other versions
FR2481183A1 (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.)
Salzgitter Maschinen AG
Original Assignee
Salzgitter Maschinen AG
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 Salzgitter Maschinen AG filed Critical Salzgitter Maschinen AG
Publication of FR2481183A1 publication Critical patent/FR2481183A1/fr
Application granted granted Critical
Publication of FR2481183B1 publication Critical patent/FR2481183B1/fr
Granted 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C1/00—Reciprocating-piston liquid engines
    • F03C1/007—Reciprocating-piston liquid engines with single cylinder, double-acting piston
    • F03C1/0073—Reciprocating-piston liquid engines with single cylinder, double-acting piston one side of the double-acting piston being always under the influence of the liquid under pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Actuator (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
FR8101826A 1980-04-24 1981-01-30 Dispositif d'entrainement hydraulique pour outil a percussion Granted FR2481183A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803015696 DE3015696A1 (de) 1980-04-24 1980-04-24 Hyraulische antriebsvorrichtung fuer ein schlagwerkzeug

Publications (2)

Publication Number Publication Date
FR2481183A1 FR2481183A1 (fr) 1981-10-30
FR2481183B1 true FR2481183B1 (ref) 1983-01-07

Family

ID=6100778

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8101826A Granted FR2481183A1 (fr) 1980-04-24 1981-01-30 Dispositif d'entrainement hydraulique pour outil a percussion

Country Status (5)

Country Link
DE (1) DE3015696A1 (ref)
ES (1) ES499091A0 (ref)
FR (1) FR2481183A1 (ref)
GB (1) GB2074663B (ref)
SE (1) SE8100707L (ref)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8715784U1 (de) * 1987-11-28 1989-03-23 Salzgitter Maschinenbau GmbH, 3320 Salzgitter Steuervorrichtung für eine hydraulische Antriebsvorrichtung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RO74260A (ro) * 1974-04-25 1980-10-30 Oy Tampella Ab,Fi Perforator percutant actionat cu lichid sub presiune
DE2520323A1 (de) * 1975-05-07 1976-11-18 Salzgitter Maschinen Ag Hydraulische antriebsvorrichtung fuer schlagwerkzeuge
US4196780A (en) * 1978-05-09 1980-04-08 Kabushiki Kaisha Komatsu Seisakusho Hydraulic percussion drill
EP0022865B1 (en) * 1978-12-15 1984-08-01 Furukawakogyo Co.Ltd Hydraulically-driven downhole drill

Also Published As

Publication number Publication date
GB2074663A (en) 1981-11-04
FR2481183A1 (fr) 1981-10-30
ES8201463A1 (es) 1981-12-16
GB2074663B (en) 1983-10-26
DE3015696A1 (de) 1981-10-29
SE8100707L (sv) 1981-10-25
ES499091A0 (es) 1981-12-16

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Legal Events

Date Code Title Description
ST Notification of lapse