BE597517A - Multi-piece, friction-locking mine prop. - Google Patents

Multi-piece, friction-locking mine prop.

Info

Publication number
BE597517A
BE597517A BE597517A BE597517A BE597517A BE 597517 A BE597517 A BE 597517A BE 597517 A BE597517 A BE 597517A BE 597517 A BE597517 A BE 597517A BE 597517 A BE597517 A BE 597517A
Authority
BE
Belgium
Prior art keywords
friction
piece
mine prop
locking
locking mine
Prior art date
Application number
BE597517A
Other languages
French (fr)
Inventor
Karl Gerlach
Hans Gerlach
Original Assignee
Karl Gerlach
Hans Gerlach
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 Karl Gerlach, Hans Gerlach filed Critical Karl Gerlach
Publication of BE597517A publication Critical patent/BE597517A/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
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/285—Telescopic props with parts held relatively to each other by friction or gripping by means of wedges or wedge combinations

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)
  • Braking Arrangements (AREA)
  • Steering Controls (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Press Drives And Press Lines (AREA)
BE597517A 1959-11-26 1960-11-25 Multi-piece, friction-locking mine prop. BE597517A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG28451A DE1094210B (en) 1959-11-26 1959-11-26 Multi-part pit stamp with friction lock

Publications (1)

Publication Number Publication Date
BE597517A true BE597517A (en) 1961-03-15

Family

ID=7123483

Family Applications (1)

Application Number Title Priority Date Filing Date
BE597517A BE597517A (en) 1959-11-26 1960-11-25 Multi-piece, friction-locking mine prop.

Country Status (3)

Country Link
BE (1) BE597517A (en)
DE (1) DE1094210B (en)
GB (1) GB959291A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1183461B (en) * 1961-05-12 1964-12-17 Rheinstahl Gmbh Wanheim Pit friction stamp

Also Published As

Publication number Publication date
GB959291A (en) 1964-05-27
DE1094210B (en) 1960-12-08

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