GB1551851A - Clamping means for the joint between overlapping end of sections of arches supporting the roof of an underground gallery - Google Patents

Clamping means for the joint between overlapping end of sections of arches supporting the roof of an underground gallery

Info

Publication number
GB1551851A
GB1551851A GB3949276A GB3949276A GB1551851A GB 1551851 A GB1551851 A GB 1551851A GB 3949276 A GB3949276 A GB 3949276A GB 3949276 A GB3949276 A GB 3949276A GB 1551851 A GB1551851 A GB 1551851A
Authority
GB
United Kingdom
Prior art keywords
roof
sections
joint
clamping means
overlapping end
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
GB3949276A
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.)
Bergbaustahl & Co GmbH
Original Assignee
Bergbaustahl & Co GmbH
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
Priority claimed from DE19752547407 external-priority patent/DE2547407C3/en
Application filed by Bergbaustahl & Co GmbH filed Critical Bergbaustahl & Co GmbH
Publication of GB1551851A publication Critical patent/GB1551851A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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)
GB3949276A 1975-09-24 1976-09-23 Clamping means for the joint between overlapping end of sections of arches supporting the roof of an underground gallery Expired GB1551851A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2542482 1975-09-24
DE19752547407 DE2547407C3 (en) 1975-10-23 1975-10-23 Clamping connection for the nested ends of floor-supported gutter profiles from pit support frames

Publications (1)

Publication Number Publication Date
GB1551851A true GB1551851A (en) 1979-09-05

Family

ID=25769434

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3949276A Expired GB1551851A (en) 1975-09-24 1976-09-23 Clamping means for the joint between overlapping end of sections of arches supporting the roof of an underground gallery

Country Status (2)

Country Link
FR (1) FR2325799A1 (en)
GB (1) GB1551851A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2850350A1 (en) * 1978-11-20 1980-05-22 Hoesch Werke Ag FLAP FOR A CLAMP CONNECTION IN THE FLEXIBLE LINE EXTENSION

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR990397A (en) * 1949-07-07 1951-09-20 Bochumer Eisenhu Tte Heintzman Keyed joint for th profiles, in particular for mine arch support
US3062573A (en) * 1960-02-10 1962-11-06 Bethlehem Steel Corp Clamping assembly
FR1281822A (en) * 1961-03-02 1962-01-12 Bochumer Eisen Heintzmann Improvements in sliding linkage devices for supporting frames for slaughter lanes in mines or the like
FR1324616A (en) * 1962-06-05 1963-04-19 Bochumer Eisen Heintzmann Improvements to sliding support frames for logging corridors in mining operations
DE1237967B (en) * 1963-03-11 1967-04-06 Bergbaustahl G M B H & Co Clamping connection for the nested ends of the gutter profiles of flexible pit support frames
DE1483883C3 (en) * 1966-05-09 1973-12-13 Bergbaustahl Gmbh & Co, 5800 Hagen Compression-resilient clamping connection for the route extension consisting of overlapping channel profile segments

Also Published As

Publication number Publication date
FR2325799B1 (en) 1982-11-12
FR2325799A1 (en) 1977-04-22

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee