FR1064553A - Improvements made to the elastic connections between the profiles of mine props - Google Patents

Improvements made to the elastic connections between the profiles of mine props

Info

Publication number
FR1064553A
FR1064553A FR1064553DA FR1064553A FR 1064553 A FR1064553 A FR 1064553A FR 1064553D A FR1064553D A FR 1064553DA FR 1064553 A FR1064553 A FR 1064553A
Authority
FR
France
Prior art keywords
profiles
improvements made
elastic connections
mine props
props
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)
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
Application granted granted Critical
Publication of FR1064553A publication Critical patent/FR1064553A/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)
FR1064553D 1951-11-17 1952-10-20 Improvements made to the elastic connections between the profiles of mine props Expired FR1064553A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1064553X 1951-11-17

Publications (1)

Publication Number Publication Date
FR1064553A true FR1064553A (en) 1954-05-14

Family

ID=7718946

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1064553D Expired FR1064553A (en) 1951-11-17 1952-10-20 Improvements made to the elastic connections between the profiles of mine props

Country Status (1)

Country Link
FR (1) FR1064553A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2393140A1 (en) * 1977-06-02 1978-12-29 Hoesch Werke Ag MULTI-PIECE CLAMP
FR2441718A1 (en) * 1978-11-20 1980-06-13 Hoesch Werke Ag SLIDE FOR A CLAMP JUNCTION IN A COMPRESSIBLE GALLERY SUPPORT

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2393140A1 (en) * 1977-06-02 1978-12-29 Hoesch Werke Ag MULTI-PIECE CLAMP
FR2441718A1 (en) * 1978-11-20 1980-06-13 Hoesch Werke Ag SLIDE FOR A CLAMP JUNCTION IN A COMPRESSIBLE GALLERY SUPPORT

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