FR1256421A - Improvements in connection devices for sliding support frames for mines - Google Patents

Improvements in connection devices for sliding support frames for mines

Info

Publication number
FR1256421A
FR1256421A FR826469A FR826469A FR1256421A FR 1256421 A FR1256421 A FR 1256421A FR 826469 A FR826469 A FR 826469A FR 826469 A FR826469 A FR 826469A FR 1256421 A FR1256421 A FR 1256421A
Authority
FR
France
Prior art keywords
mines
support frames
sliding support
connection devices
devices
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
FR826469A
Other languages
French (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
Priority to FR826469A priority Critical patent/FR1256421A/en
Application granted granted Critical
Publication of FR1256421A publication Critical patent/FR1256421A/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
    • E21D11/22—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)
FR826469A 1960-05-06 1960-05-06 Improvements in connection devices for sliding support frames for mines Expired FR1256421A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR826469A FR1256421A (en) 1960-05-06 1960-05-06 Improvements in connection devices for sliding support frames for mines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR826469A FR1256421A (en) 1960-05-06 1960-05-06 Improvements in connection devices for sliding support frames for mines

Publications (1)

Publication Number Publication Date
FR1256421A true FR1256421A (en) 1961-03-17

Family

ID=8730874

Family Applications (1)

Application Number Title Priority Date Filing Date
FR826469A Expired FR1256421A (en) 1960-05-06 1960-05-06 Improvements in connection devices for sliding support frames for mines

Country Status (1)

Country Link
FR (1) FR1256421A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0191140A1 (en) * 1985-02-08 1986-08-20 Hoesch Aktiengesellschaft Hook-bolt

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0191140A1 (en) * 1985-02-08 1986-08-20 Hoesch Aktiengesellschaft Hook-bolt

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