FR1155338A - Coffre d'abaissement - Google Patents

Coffre d'abaissement

Info

Publication number
FR1155338A
FR1155338A FR1155338DA FR1155338A FR 1155338 A FR1155338 A FR 1155338A FR 1155338D A FR1155338D A FR 1155338DA FR 1155338 A FR1155338 A FR 1155338A
Authority
FR
France
Prior art keywords
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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
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.)
WESTFALENHUETTE AG
Original Assignee
WESTFALENHUETTE AG
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 WESTFALENHUETTE AG filed Critical WESTFALENHUETTE AG
Application granted granted Critical
Publication of FR1155338A publication Critical patent/FR1155338A/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
    • E21D15/285—Telescopic props with parts held relatively to each other by friction or gripping by means of wedges or wedge combinations
    • 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
    • E21D11/183—Supporting means for arch members, not provided for in E21D11/22

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)
FR1155338D 1955-09-07 1956-08-02 Coffre d'abaissement Expired FR1155338A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1155338X 1955-09-07

Publications (1)

Publication Number Publication Date
FR1155338A true FR1155338A (fr) 1958-04-25

Family

ID=7727856

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1155338D Expired FR1155338A (fr) 1955-09-07 1956-08-02 Coffre d'abaissement

Country Status (1)

Country Link
FR (1) FR1155338A (fr)

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