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GB1306462A - Support struts - Google Patents

Support struts

Info

Publication number
GB1306462A
GB1306462A GB1306462DA GB1306462A GB 1306462 A GB1306462 A GB 1306462A GB 1306462D A GB1306462D A GB 1306462DA GB 1306462 A GB1306462 A GB 1306462A
Authority
GB
United Kingdom
Prior art keywords
struts
support struts
strap
mine
support
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
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.)
HOLLYBANK ENG CO Ltd
Original Assignee
HOLLYBANK ENG CO 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 HOLLYBANK ENG CO Ltd filed Critical HOLLYBANK ENG CO Ltd
Publication of GB1306462A publication Critical patent/GB1306462A/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
    • E21D11/28—Longitudinal struts, i.e. longitudinal connections between adjoining arches

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)
  • Road Signs Or Road Markings (AREA)

Abstract

1306462 Struts for mine arches HOLLYBANK ENG CO Ltd 18 May 1970 23974/70 Heading E1E Flanged mine roadway supports S, S 1 are interconnected by struts 1 having at one end a transversely projecting strap 7 and at the other end a co-axial strap 2 to embrace the flange of a support, the straps 2, 7 interengaging to receive a locking wedge 10.
GB1306462D 1970-05-18 1970-05-18 Support struts Expired GB1306462A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2397470 1970-05-18

Publications (1)

Publication Number Publication Date
GB1306462A true GB1306462A (en) 1973-02-14

Family

ID=10204388

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1306462D Expired GB1306462A (en) 1970-05-18 1970-05-18 Support struts

Country Status (1)

Country Link
GB (1) GB1306462A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2124273A (en) * 1982-07-26 1984-02-15 Serni Ltd Improvements relating to mine roadway support struts which are capable of securing the newly erected support

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2124273A (en) * 1982-07-26 1984-02-15 Serni Ltd Improvements relating to mine roadway support struts which are capable of securing the newly erected support

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Legal Events

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