GB1196661A - Roof Supports Suitable for Use in Mines - Google Patents

Roof Supports Suitable for Use in Mines

Info

Publication number
GB1196661A
GB1196661A GB642867A GB642867A GB1196661A GB 1196661 A GB1196661 A GB 1196661A GB 642867 A GB642867 A GB 642867A GB 642867 A GB642867 A GB 642867A GB 1196661 A GB1196661 A GB 1196661A
Authority
GB
United Kingdom
Prior art keywords
mines
roof supports
supports suitable
shores
prop
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
GB642867A
Inventor
David Gurney Arnold Thomas
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.)
Dowty Mining Equipment Ltd
Original Assignee
Dowty Mining Equipment Ltd
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 Dowty Mining Equipment Ltd filed Critical Dowty Mining Equipment Ltd
Priority to GB642867A priority Critical patent/GB1196661A/en
Priority to DE19681583795 priority patent/DE1583795C3/en
Publication of GB1196661A publication Critical patent/GB1196661A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50—Component parts or details of props
    • E21D15/54—Details of the ends of props

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Presses And Accessory Devices Thereof (AREA)
  • Moulds, Cores, Or Mandrels (AREA)

Abstract

1,196,661. Shores &c. DOWTY MINING EQUIPMENT Ltd. 25 Jan., 1968 [10 Feb., 1967], No. 6428/68. Heading E1E. A prop 5 pivotally seated in a base 6 is urged into the vertical position by a rubber block 8 which works in shear through the means, of a plate 9 bonded thereto.
GB642867A 1967-02-10 1967-02-10 Roof Supports Suitable for Use in Mines Expired GB1196661A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB642867A GB1196661A (en) 1967-02-10 1967-02-10 Roof Supports Suitable for Use in Mines
DE19681583795 DE1583795C3 (en) 1967-02-10 1968-02-08 Device for resetting a pit punch in a predetermined position

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB642867A GB1196661A (en) 1967-02-10 1967-02-10 Roof Supports Suitable for Use in Mines

Publications (1)

Publication Number Publication Date
GB1196661A true GB1196661A (en) 1970-07-01

Family

ID=9814313

Family Applications (1)

Application Number Title Priority Date Filing Date
GB642867A Expired GB1196661A (en) 1967-02-10 1967-02-10 Roof Supports Suitable for Use in Mines

Country Status (2)

Country Link
DE (1) DE1583795C3 (en)
GB (1) GB1196661A (en)

Also Published As

Publication number Publication date
DE1583795A1 (en) 1970-09-24
DE1583795C3 (en) 1974-08-01

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Legal Events

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