BE557125A - - Google Patents

Info

Publication number
BE557125A
BE557125A BE557125DA BE557125A BE 557125 A BE557125 A BE 557125A BE 557125D A BE557125D A BE 557125DA BE 557125 A BE557125 A BE 557125A
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.)
Publication of BE557125A publication Critical patent/BE557125A/xx
Priority claimed from GB1341856A external-priority patent/GB815578A/en

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
    • 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
    • E21D15/50—Component parts or details of props
    • E21D15/54—Details of the ends of props
    • E21D15/55—Details of the ends of props of prop heads or feet

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
BE557125D 1956-05-01 BE557125A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1341856A GB815578A (en) 1956-05-01 Improvements in hydraulic pit props

Publications (1)

Publication Number Publication Date
BE557125A true BE557125A (enrdf_load_stackoverflow)

Family

ID=10022603

Family Applications (1)

Application Number Title Priority Date Filing Date
BE557125D BE557125A (enrdf_load_stackoverflow) 1956-05-01

Country Status (3)

Country Link
BE (1) BE557125A (enrdf_load_stackoverflow)
DE (1) DE1037991B (enrdf_load_stackoverflow)
FR (1) FR1187688A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2161137B (en) * 1984-07-02 1989-04-19 Yann Tay Enterprises Co Ltd A pump lever for a jack

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE800392C (de) * 1949-04-08 1950-11-02 Gewerk Eisenhuette Westfalia Hydraulischer Grubenstempel
FR1006760A (fr) * 1949-10-15 1952-04-28 étançon hydraulique sans pompe individuelle

Also Published As

Publication number Publication date
FR1187688A (fr) 1959-09-15
DE1037991B (de) 1958-09-04

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