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FR877893A - Semi-tubular profile with side flanges to serve as a mine support member - Google Patents

Semi-tubular profile with side flanges to serve as a mine support member

Info

Publication number
FR877893A
FR877893A FR877893DA FR877893A FR 877893 A FR877893 A FR 877893A FR 877893D A FR877893D A FR 877893DA FR 877893 A FR877893 A FR 877893A
Authority
FR
France
Prior art keywords
semi
serve
support member
side flanges
tubular profile
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
French (fr)
Inventor
Karl Maria Groetschel
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 filed Critical
Application granted granted Critical
Publication of FR877893A publication Critical patent/FR877893A/en
Expired legal-status Critical Current

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
    • E21D11/20—Special cross- sections, e.g. corrugated

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR877893D 1940-07-27 1941-12-02 Semi-tubular profile with side flanges to serve as a mine support member Expired FR877893A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE877893X 1940-07-27

Publications (1)

Publication Number Publication Date
FR877893A true FR877893A (en) 1943-01-05

Family

ID=6818265

Family Applications (1)

Application Number Title Priority Date Filing Date
FR877893D Expired FR877893A (en) 1940-07-27 1941-12-02 Semi-tubular profile with side flanges to serve as a mine support member

Country Status (1)

Country Link
FR (1) FR877893A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1022988B (en) * 1955-09-30 1958-01-23 Wilhelm Reppel Multi-part expansion frame for pit expansion in ring and arch form
DE3201896A1 (en) * 1982-01-22 1983-08-11 Bochumer Eisenhütte Heintzmann GmbH & Co KG, 4630 Bochum Clamping device
FR2547349A1 (en) * 1983-06-09 1984-12-14 Bochumer Eisen Heintzmann SUPPORT ARRAY WITH ELASTIC EDGE FOR MINING GALLERIES, TUNNELS OR SIMILAR CONSTRUCTIONS

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1022988B (en) * 1955-09-30 1958-01-23 Wilhelm Reppel Multi-part expansion frame for pit expansion in ring and arch form
DE3201896A1 (en) * 1982-01-22 1983-08-11 Bochumer Eisenhütte Heintzmann GmbH & Co KG, 4630 Bochum Clamping device
FR2547349A1 (en) * 1983-06-09 1984-12-14 Bochumer Eisen Heintzmann SUPPORT ARRAY WITH ELASTIC EDGE FOR MINING GALLERIES, TUNNELS OR SIMILAR CONSTRUCTIONS

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