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BE671064A - - Google Patents

Info

Publication number
BE671064A
BE671064A BE671064DA BE671064A BE 671064 A BE671064 A BE 671064A BE 671064D A BE671064D A BE 671064DA BE 671064 A BE671064 A BE 671064A
Authority
BE
Belgium
Application number
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
Publication of BE671064A publication Critical patent/BE671064A/xx

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)
  • Food-Manufacturing Devices (AREA)
  • Earth Drilling (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
BE671064D 1964-10-20 1965-10-19 BE671064A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEG41819A DE1226972B (en) 1964-10-20 1964-10-20 Hydraulic double telescopic ram
DEG0043012 1965-03-05

Publications (1)

Publication Number Publication Date
BE671064A true BE671064A (en) 1966-04-19

Family

ID=27210640

Family Applications (1)

Application Number Title Priority Date Filing Date
BE671064D BE671064A (en) 1964-10-20 1965-10-19

Country Status (6)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2463306A1 (en) * 1979-08-07 1981-02-20 Dobson Park Ind Mine support telescopic hydraulic ram - applies force directly to particular components which may form staged support

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS481663U (en) * 1971-06-01 1973-01-10
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 (en) * 1956-02-20 1959-08-13 Gutehoffnungshuette Sterkrade Hydraulic pit ram
DE1123640B (en) * 1957-12-23 1962-02-15 Kloeckner Werke Ag Double extendable hydraulic pit ram
BE607500A (en) * 1960-09-02
DE1149678B (en) * 1960-09-15 1963-06-06 Rheinstahl Gmbh Wanheim Multi-stage hydraulic pit ram
NL274871A (en) * 1961-02-18
BE632029A (en) * 1962-05-12
BE655844A (en) * 1963-11-29 1965-03-16

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2463306A1 (en) * 1979-08-07 1981-02-20 Dobson Park Ind Mine support telescopic hydraulic ram - applies force directly to particular components which may form staged support

Also Published As

Publication number Publication date
NL6513272A (en) 1966-04-21
FR1459137A (en) 1966-11-18
GB1124096A (en) 1968-08-21
US3301519A (en) 1967-01-31
DE1226972B (en) 1966-10-20

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