FR1459137A - étançon télescopique hydraulique double - Google Patents

étançon télescopique hydraulique double

Info

Publication number
FR1459137A
FR1459137A FR32871A FR32871A FR1459137A FR 1459137 A FR1459137 A FR 1459137A FR 32871 A FR32871 A FR 32871A FR 32871 A FR32871 A FR 32871A FR 1459137 A FR1459137 A FR 1459137A
Authority
FR
France
Prior art keywords
hydraulic telescopic
telescopic prop
double hydraulic
double
prop
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
FR32871A
Other languages
English (en)
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.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia GmbH
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 Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Application granted granted Critical
Publication of FR1459137A publication Critical patent/FR1459137A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J13/00—Covers or similar closure members for pressure vessels in general
    • F16J13/02—Detachable closure members; Means for tightening closures

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Actuator (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Food-Manufacturing Devices (AREA)
  • Earth Drilling (AREA)
FR32871A 1964-10-20 1965-09-28 étançon télescopique hydraulique double Expired FR1459137A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEG41819A DE1226972B (de) 1964-10-20 1964-10-20 Hydraulischer Doppel-Teleskopstempel
DEG0043012 1965-03-05

Publications (1)

Publication Number Publication Date
FR1459137A true FR1459137A (fr) 1966-11-18

Family

ID=27210640

Family Applications (1)

Application Number Title Priority Date Filing Date
FR32871A Expired FR1459137A (fr) 1964-10-20 1965-09-28 étançon télescopique hydraulique double

Country Status (6)

Country Link
US (1) US3301519A (fr)
BE (1) BE671064A (fr)
DE (1) DE1226972B (fr)
FR (1) FR1459137A (fr)
GB (1) GB1124096A (fr)
NL (1) NL6513272A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS481663U (fr) * 1971-06-01 1973-01-10
ZA804072B (en) * 1979-08-07 1981-06-24 Dobson Park Ind Telescoping jack
US5219429A (en) * 1992-08-10 1993-06-15 Shelton Bill E Hydra-lift system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1928533A (en) * 1933-01-20 1933-09-26 Milford T Goss Jack
DE1063101B (de) * 1956-02-20 1959-08-13 Gutehoffnungshuette Sterkrade Hydraulischer Grubenstempel
DE1123640B (de) * 1957-12-23 1962-02-15 Kloeckner Werke Ag Doppelt ausfahrbarer hydraulischer Grubenstempel
BE607500A (fr) * 1960-09-02
DE1149678B (de) * 1960-09-15 1963-06-06 Rheinstahl Gmbh Wanheim Mehrstufiger hydraulischer Grubenstempel
NL274871A (fr) * 1961-02-18
BE632029A (fr) * 1962-05-12
BE655844A (fr) * 1963-11-29 1965-03-16

Also Published As

Publication number Publication date
BE671064A (fr) 1966-04-19
US3301519A (en) 1967-01-31
DE1226972B (de) 1966-10-20
NL6513272A (fr) 1966-04-21
GB1124096A (en) 1968-08-21

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