GB2030614B - Yielding mine roof stilts - Google Patents

Yielding mine roof stilts

Info

Publication number
GB2030614B
GB2030614B GB7931328A GB7931328A GB2030614B GB 2030614 B GB2030614 B GB 2030614B GB 7931328 A GB7931328 A GB 7931328A GB 7931328 A GB7931328 A GB 7931328A GB 2030614 B GB2030614 B GB 2030614B
Authority
GB
United Kingdom
Prior art keywords
stilts
mine roof
yielding mine
yielding
roof
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
GB7931328A
Other versions
GB2030614A (en
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.)
Hayden Nilos Conflow Ltd
Original Assignee
Hayden Nilos Conflow 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 Hayden Nilos Conflow Ltd filed Critical Hayden Nilos Conflow Ltd
Priority to GB7931328A priority Critical patent/GB2030614B/en
Publication of GB2030614A publication Critical patent/GB2030614A/en
Application granted granted Critical
Publication of GB2030614B publication Critical patent/GB2030614B/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/16—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
    • E21D15/22—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with member, pin, cross- piece, or the like, ruptured, sheared through, or permanently deformed upon excessive pressure

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)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
GB7931328A 1978-09-08 1979-09-10 Yielding mine roof stilts Expired GB2030614B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7931328A GB2030614B (en) 1978-09-08 1979-09-10 Yielding mine roof stilts

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7836185 1978-09-08
GB7931328A GB2030614B (en) 1978-09-08 1979-09-10 Yielding mine roof stilts

Publications (2)

Publication Number Publication Date
GB2030614A GB2030614A (en) 1980-04-10
GB2030614B true GB2030614B (en) 1982-07-14

Family

ID=26268798

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7931328A Expired GB2030614B (en) 1978-09-08 1979-09-10 Yielding mine roof stilts

Country Status (1)

Country Link
GB (1) GB2030614B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2211870B (en) * 1987-11-04 1992-01-15 Ward Engineering Limited Stilt

Also Published As

Publication number Publication date
GB2030614A (en) 1980-04-10

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Legal Events

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