FR2450340B1 - - Google Patents

Info

Publication number
FR2450340B1
FR2450340B1 FR8004101A FR8004101A FR2450340B1 FR 2450340 B1 FR2450340 B1 FR 2450340B1 FR 8004101 A FR8004101 A FR 8004101A FR 8004101 A FR8004101 A FR 8004101A FR 2450340 B1 FR2450340 B1 FR 2450340B1
Authority
FR
France
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
FR8004101A
Other languages
French (fr)
Other versions
FR2450340A1 (fr
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.)
Bochumer Eisenhuette Heintzmann GmbH and Co KG
Original Assignee
Bochumer Eisenhuette Heintzmann GmbH and Co KG
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 Bochumer Eisenhuette Heintzmann GmbH and Co KG filed Critical Bochumer Eisenhuette Heintzmann GmbH and Co KG
Publication of FR2450340A1 publication Critical patent/FR2450340A1/fr
Application granted granted Critical
Publication of FR2450340B1 publication Critical patent/FR2450340B1/fr
Granted 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
    • E21D11/22—Clamps or other yieldable means for interconnecting adjacent arch members either rigidly, or allowing arch member parts to slide when subjected to excessive pressure

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)
  • Clamps And Clips (AREA)
  • Lining And Supports For Tunnels (AREA)
FR8004101A 1979-03-01 1980-02-25 Cadre en plusieurs parties, constitutif d'un soutenement de galerie de mine Granted FR2450340A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2908005 1979-03-01

Publications (2)

Publication Number Publication Date
FR2450340A1 FR2450340A1 (fr) 1980-09-26
FR2450340B1 true FR2450340B1 (bs) 1984-12-14

Family

ID=6064210

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8004101A Granted FR2450340A1 (fr) 1979-03-01 1980-02-25 Cadre en plusieurs parties, constitutif d'un soutenement de galerie de mine

Country Status (5)

Country Link
BE (1) BE881922A (bs)
FR (1) FR2450340A1 (bs)
GB (1) GB2043132B (bs)
PL (1) PL219910A1 (bs)
ZA (1) ZA797061B (bs)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1383588A (fr) * 1964-02-28 1964-12-24 Bergbaustahl Gmbh & Co Raccord de serrage avec système d'arrêt pour cadres de soutènement de mines à coulissement en profilés en forme de gouttières
GB1265667A (bs) * 1968-08-30 1972-03-01
GB1177468A (en) * 1968-09-28 1970-01-14 Hayden Nilos Ltd Improvements in or relating to Yielding Mine Roof Supports and Yieldable Members Therefor.

Also Published As

Publication number Publication date
FR2450340A1 (fr) 1980-09-26
GB2043132A (en) 1980-10-01
ZA797061B (en) 1981-04-29
BE881922A (fr) 1980-06-16
PL219910A1 (bs) 1980-09-08
GB2043132B (en) 1983-05-25

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Legal Events

Date Code Title Description
ST Notification of lapse