BE558910A - - Google Patents

Info

Publication number
BE558910A
BE558910A BE558910DA BE558910A BE 558910 A BE558910 A BE 558910A BE 558910D A BE558910D A BE 558910DA BE 558910 A BE558910 A BE 558910A
Authority
BE
Belgium
Prior art keywords
hollow body
support according
hollow
support
tube
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE558910A publication Critical patent/BE558910A/fr

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
    • E21D15/48—Chocks or the like
    • E21D15/486—Chocks or the like with essential hydraulic or pneumatic details
    • 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
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
    • E21D23/0017—Pile type supports
    • E21D23/003—Pile type supports consisting of a rigid pile

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
BE558910D BE558910A (https=)

Publications (1)

Publication Number Publication Date
BE558910A true BE558910A (https=)

Family

ID=181805

Family Applications (1)

Application Number Title Priority Date Filing Date
BE558910D BE558910A (https=)

Country Status (1)

Country Link
BE (1) BE558910A (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3230685A (en) * 1962-06-01 1966-01-25 Beteiligungs & Patentverw Gmbh Apparatus for preventing accidents during repair work in a converter
DE1265098B (de) * 1959-01-07 1968-04-04 Bergwerksverband Gmbh Versatzabkleidung, die eine Abstuetzung und eine Versatzmatte aufweist

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1265098B (de) * 1959-01-07 1968-04-04 Bergwerksverband Gmbh Versatzabkleidung, die eine Abstuetzung und eine Versatzmatte aufweist
US3230685A (en) * 1962-06-01 1966-01-25 Beteiligungs & Patentverw Gmbh Apparatus for preventing accidents during repair work in a converter

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