ZA79432B - Device for assembling two channel section members for supporting tunnels - Google Patents

Device for assembling two channel section members for supporting tunnels

Info

Publication number
ZA79432B
ZA79432B ZA79432A ZA79432A ZA79432B ZA 79432 B ZA79432 B ZA 79432B ZA 79432 A ZA79432 A ZA 79432A ZA 79432 A ZA79432 A ZA 79432A ZA 79432 B ZA79432 B ZA 79432B
Authority
ZA
South Africa
Prior art keywords
assembling
channel section
section members
tunnels
supporting
Prior art date
Application number
ZA79432A
Inventor
R Capela
Original Assignee
R Capela
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 R Capela filed Critical R Capela
Publication of ZA79432B publication Critical patent/ZA79432B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14—Lining predominantly with metal
    • E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
    • E21D11/22—Clamps or other yieldable means for interconnecting adjacent arch members either rigidly, or allowing arch member parts to slide when subjected to excessive pressure
    • 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
    • E21D15/40—Collar or other support gripped to one or both parts by toggle-action, cam, or other member pivoted or similarly mounted

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Clamps And Clips (AREA)
  • Connection Of Plates (AREA)
ZA79432A 1978-02-15 1979-02-01 Device for assembling two channel section members for supporting tunnels ZA79432B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7804989A FR2381904A1 (en) 1978-02-15 1978-02-15 Underground mining support profile assembly - has M-sections which can slide in each other for adjustment with double locking partially by friction and fully by cams

Publications (1)

Publication Number Publication Date
ZA79432B true ZA79432B (en) 1980-01-30

Family

ID=9204870

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA79432A ZA79432B (en) 1978-02-15 1979-02-01 Device for assembling two channel section members for supporting tunnels

Country Status (3)

Country Link
BE (1) BE874148A (en)
FR (1) FR2381904A1 (en)
ZA (1) ZA79432B (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1054040B (en) * 1943-02-03 1959-04-02 Bochumer Eisen Heintzmann Connection for the sliding bend extension
FR978150A (en) * 1948-02-04 1951-04-10 Nouvelle Soc Des Ateliers Patt Improvements to props and similar, in particular for mining work
DE1004571B (en) * 1956-01-17 1957-03-21 Wilhelm Reppel Flexible joint expansion for pit sections, cross cuts or the like.
DE1006372B (en) * 1956-02-29 1957-04-18 Westfalenhuette Ag Device for pressure-resilient bracing of the profile segments of pit support frames
FR1228013A (en) * 1956-07-11 1960-08-26 Bochumer Ges Fuer Grubenausbau Improvements to mine stanchions
DE1018821B (en) * 1956-12-07 1957-11-07 Bergbaustahl G M B H Flexible pit support arch
DE1114761B (en) * 1958-03-10 1961-10-12 Bergbaustahl G M B H Flexible pit support arch
FR1359043A (en) * 1963-06-18 1964-04-17 Bochumer Eisen Heintzmann Improvements made to support frames for galleries or mine corridors

Also Published As

Publication number Publication date
BE874148A (en) 1979-08-14
FR2381904B1 (en) 1983-01-14
FR2381904A1 (en) 1978-09-22

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