BE656028A - - Google Patents

Info

Publication number
BE656028A
BE656028A BE656028DA BE656028A BE 656028 A BE656028 A BE 656028A BE 656028D A BE656028D A BE 656028DA BE 656028 A BE656028 A BE 656028A
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 BE656028A publication Critical patent/BE656028A/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
    • E21D15/58—Devices for setting props or chocks
    • E21D15/585—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important
    • E21D15/586—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important the props being pre-loaded
    • E21D15/588—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important the props being pre-loaded the lock also being activated
    • 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
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/30—Telescopic props with parts held relatively to each other by friction or gripping by means expanded or contracted by pressure applied through the medium of a fluid or quasi- fluid, e.g. rubber
    • E21D15/306—Telescopic props with parts held relatively to each other by friction or gripping by means expanded or contracted by pressure applied through the medium of a fluid or quasi- fluid, e.g. rubber by means of a liquid
    • 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
    • E21D15/58—Devices for setting props or chocks
    • E21D15/585—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important
    • E21D15/586—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important the props being pre-loaded

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)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
BE656028D 1963-11-29 1964-11-20 BE656028A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DER36679A DE1215635B (de) 1963-11-29 1963-11-29 Reibungsstempel mit hydraulischer Setz- und Spannvorrichtung

Publications (1)

Publication Number Publication Date
BE656028A true BE656028A (xx) 1965-03-16

Family

ID=7404976

Family Applications (1)

Application Number Title Priority Date Filing Date
BE656028D BE656028A (xx) 1963-11-29 1964-11-20

Country Status (3)

Country Link
BE (1) BE656028A (xx)
DE (1) DE1215635B (xx)
NL (1) NL6413838A (xx)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE486663A (xx) * 1948-01-12
GB761883A (en) * 1953-01-15 1956-11-21 Eugen Bellmann Improved extensible pit props
DE1143172B (de) * 1957-12-30 1963-02-07 Karl Maria Groetschel Dipl Ing Hydraulisch zu setzender und zu verspannender Grubenstempel
DE1815824U (de) * 1959-08-28 1960-08-04 Georg Bachmann Grubenstempel mit hydraulischer schlossklemmung.

Also Published As

Publication number Publication date
NL6413838A (xx) 1965-05-31
DE1215635B (de) 1966-05-05

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