GB2080381B - Mine roof supports - Google Patents

Mine roof supports

Info

Publication number
GB2080381B
GB2080381B GB8122291A GB8122291A GB2080381B GB 2080381 B GB2080381 B GB 2080381B GB 8122291 A GB8122291 A GB 8122291A GB 8122291 A GB8122291 A GB 8122291A GB 2080381 B GB2080381 B GB 2080381B
Authority
GB
United Kingdom
Prior art keywords
mine roof
roof supports
supports
mine
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
GB8122291A
Other versions
GB2080381A (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.)
Fletcher Sutcliffe Wild Ltd
Original Assignee
Fletcher Sutcliffe Wild 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 Fletcher Sutcliffe Wild Ltd filed Critical Fletcher Sutcliffe Wild Ltd
Priority to GB8122291A priority Critical patent/GB2080381B/en
Publication of GB2080381A publication Critical patent/GB2080381A/en
Application granted granted Critical
Publication of GB2080381B publication Critical patent/GB2080381B/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (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)
GB8122291A 1980-07-24 1981-07-20 Mine roof supports Expired GB2080381B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8122291A GB2080381B (en) 1980-07-24 1981-07-20 Mine roof supports

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8024225 1980-07-24
GB8122291A GB2080381B (en) 1980-07-24 1981-07-20 Mine roof supports

Publications (2)

Publication Number Publication Date
GB2080381A GB2080381A (en) 1982-02-03
GB2080381B true GB2080381B (en) 1983-09-07

Family

ID=26276317

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8122291A Expired GB2080381B (en) 1980-07-24 1981-07-20 Mine roof supports

Country Status (1)

Country Link
GB (1) GB2080381B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112282397B (en) * 2020-09-10 2022-06-14 国网山东省电力公司建设公司 Emergency risk avoiding device for manual excavation foundation construction

Also Published As

Publication number Publication date
GB2080381A (en) 1982-02-03

Similar Documents

Publication Publication Date Title
JPS56135660A (en) Roof construction
GB2054018B (en) Mine roof supports
GB2067640B (en) Mine roof supports
GB2115046B (en) Self-advancing roof supports
GB2116618B (en) Mine roof supports
ZA832294B (en) Mine roof supports
GB2115048B (en) Mine roof supports
GB2073291B (en) Mine roof supports
GB2088458B (en) Mine roof support
AU7239281A (en) Mine roof support
JPS57104758A (en) Roof structure
JPS57108354A (en) Roof structure
GB2021669B (en) Mine roof supports
AU540670B2 (en) Mine roof support
GB2084232B (en) Mine roof support unit
ZA844424B (en) Mine roof supports
GB2080381B (en) Mine roof supports
GB2082237B (en) Mine roof supports
JPS5754658A (en) Roof construction
JPS5754659A (en) Roof construction
JPS57104759A (en) Roof structure
ZA836136B (en) Mine roof supports
GB2108559B (en) Mine roof support
GB2097454B (en) Mine roof support
GB2093102B (en) Mine roof support

Legal Events

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