GB1245949A - Improvements in or relating to connections between mine-roofs support beams - Google Patents

Improvements in or relating to connections between mine-roofs support beams

Info

Publication number
GB1245949A
GB1245949A GB4875768A GB4875768A GB1245949A GB 1245949 A GB1245949 A GB 1245949A GB 4875768 A GB4875768 A GB 4875768A GB 4875768 A GB4875768 A GB 4875768A GB 1245949 A GB1245949 A GB 1245949A
Authority
GB
United Kingdom
Prior art keywords
connections
support beams
mine
relating
pins
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
GB4875768A
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.)
Hemscheidt Hermann Maschinenfabrik GmbH and Co
Hermann Hemscheidit Maschinenfabrik GmbH and Co
Original Assignee
Hemscheidt Hermann Maschinenfabrik GmbH and Co
Hermann Hemscheidit Maschinenfabrik GmbH and Co
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 DE19671583106 external-priority patent/DE1583106A1/en
Application filed by Hemscheidt Hermann Maschinenfabrik GmbH and Co, Hermann Hemscheidit Maschinenfabrik GmbH and Co filed Critical Hemscheidt Hermann Maschinenfabrik GmbH and Co
Publication of GB1245949A publication Critical patent/GB1245949A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Abstract

1,245,949. Connections between mine roof support beams. HERMANN HEMSCHEIDT MASCHINENFABRIK. 15 Oct., 1968 [30 Nov., 1967], No. 48757/68. Heading E1E. A mine roof support beam of bar 1 is provided with attachment lugs 7 each of which has a tapered mouth with convex walls 11, 12 to accommodate vertical misalignment when interconnected to an adjacent beam by pins 9 having terminal sleeves 16 secured thereto by screws or lock-pins 10a.
GB4875768A 1967-11-30 1968-10-15 Improvements in or relating to connections between mine-roofs support beams Expired GB1245949A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19671583106 DE1583106A1 (en) 1967-11-30 1967-11-30 Connection bearing for cap ends of an extension team

Publications (1)

Publication Number Publication Date
GB1245949A true GB1245949A (en) 1971-09-15

Family

ID=5679420

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4875768A Expired GB1245949A (en) 1967-11-30 1968-10-15 Improvements in or relating to connections between mine-roofs support beams

Country Status (3)

Country Link
BE (1) BE724651A (en)
FR (1) FR1594907A (en)
GB (1) GB1245949A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109838253A (en) * 2019-03-22 2019-06-04 河南理工大学 A kind of systemic circulation combination beam type gib roof control device and its construction method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109838253A (en) * 2019-03-22 2019-06-04 河南理工大学 A kind of systemic circulation combination beam type gib roof control device and its construction method
CN109838253B (en) * 2019-03-22 2023-08-18 河南理工大学 Large-circulation combined beam type temporary support roof control device and construction method thereof

Also Published As

Publication number Publication date
BE724651A (en) 1969-05-02
FR1594907A (en) 1970-06-08

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