GB2045832B - Stilts - Google Patents

Stilts

Info

Publication number
GB2045832B
GB2045832B GB7906804A GB7906804A GB2045832B GB 2045832 B GB2045832 B GB 2045832B GB 7906804 A GB7906804 A GB 7906804A GB 7906804 A GB7906804 A GB 7906804A GB 2045832 B GB2045832 B GB 2045832B
Authority
GB
United Kingdom
Prior art keywords
stilts
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
GB7906804A
Other versions
GB2045832A (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.)
Joy Global Industries Ltd
Original Assignee
Dobson Park Industries 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 Dobson Park Industries Ltd filed Critical Dobson Park Industries Ltd
Priority to GB7906804A priority Critical patent/GB2045832B/en
Publication of GB2045832A publication Critical patent/GB2045832A/en
Application granted granted Critical
Publication of GB2045832B publication Critical patent/GB2045832B/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
    • E21D15/18—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with one part resting on a supporting medium, e.g. rubber, sand, bitumen, lead, located in the other part, with or without expulsion or displacement of the medium upon excessive pressure
    • 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
    • E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
    • E21D11/183—Supporting means for arch members, not provided for in E21D11/22

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Lining And Supports For Tunnels (AREA)
GB7906804A 1979-02-27 1979-02-27 Stilts Expired GB2045832B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7906804A GB2045832B (en) 1979-02-27 1979-02-27 Stilts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7906804A GB2045832B (en) 1979-02-27 1979-02-27 Stilts

Publications (2)

Publication Number Publication Date
GB2045832A GB2045832A (en) 1980-11-05
GB2045832B true GB2045832B (en) 1983-01-26

Family

ID=10503445

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7906804A Expired GB2045832B (en) 1979-02-27 1979-02-27 Stilts

Country Status (1)

Country Link
GB (1) GB2045832B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105350990B (en) * 2015-11-25 2017-05-17 安徽理工大学 Mining support having double pressure indicating function

Also Published As

Publication number Publication date
GB2045832A (en) 1980-11-05

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Legal Events

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