FR1276329A - Perfectionnements apportés aux étais pour galeries de mines et analogues - Google Patents

Perfectionnements apportés aux étais pour galeries de mines et analogues

Info

Publication number
FR1276329A
FR1276329A FR847184A FR847184A FR1276329A FR 1276329 A FR1276329 A FR 1276329A FR 847184 A FR847184 A FR 847184A FR 847184 A FR847184 A FR 847184A FR 1276329 A FR1276329 A FR 1276329A
Authority
FR
France
Prior art keywords
props
improvements made
mining galleries
galleries
mining
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR847184A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayliss Jones & Bayliss Ltd
Original Assignee
Bayliss Jones & Bayliss Ltd
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 Bayliss Jones & Bayliss Ltd filed Critical Bayliss Jones & Bayliss Ltd
Priority to FR847184A priority Critical patent/FR1276329A/fr
Application granted granted Critical
Publication of FR1276329A publication Critical patent/FR1276329A/fr
Expired legal-status Critical Current

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
    • E21D15/36—Telescopic props with parts held relatively to each other by friction or gripping by a tiltable collar surrounding one or both parts
    • 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
    • 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
    • E21D11/30—Bases for lower arch members

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)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
FR847184A 1960-12-16 1960-12-16 Perfectionnements apportés aux étais pour galeries de mines et analogues Expired FR1276329A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR847184A FR1276329A (fr) 1960-12-16 1960-12-16 Perfectionnements apportés aux étais pour galeries de mines et analogues

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR847184A FR1276329A (fr) 1960-12-16 1960-12-16 Perfectionnements apportés aux étais pour galeries de mines et analogues

Publications (1)

Publication Number Publication Date
FR1276329A true FR1276329A (fr) 1961-11-17

Family

ID=8744938

Family Applications (1)

Application Number Title Priority Date Filing Date
FR847184A Expired FR1276329A (fr) 1960-12-16 1960-12-16 Perfectionnements apportés aux étais pour galeries de mines et analogues

Country Status (1)

Country Link
FR (1) FR1276329A (fr)

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