GB2214950B - Chock pieces for strata control in mines - Google Patents

Chock pieces for strata control in mines

Info

Publication number
GB2214950B
GB2214950B GB8821755A GB8821755A GB2214950B GB 2214950 B GB2214950 B GB 2214950B GB 8821755 A GB8821755 A GB 8821755A GB 8821755 A GB8821755 A GB 8821755A GB 2214950 B GB2214950 B GB 2214950B
Authority
GB
United Kingdom
Prior art keywords
mines
strata control
chock
pieces
chock pieces
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 - Lifetime
Application number
GB8821755A
Other versions
GB2214950A (en
GB8821755D0 (en
Inventor
John Douglas Thompson
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB8821755D0 publication Critical patent/GB8821755D0/en
Publication of GB2214950A publication Critical patent/GB2214950A/en
Application granted granted Critical
Publication of GB2214950B publication Critical patent/GB2214950B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21D15/48—Chocks or the like

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)
  • Bulkheads Adapted To Foundation Construction (AREA)
GB8821755A 1988-02-02 1988-09-16 Chock pieces for strata control in mines Expired - Lifetime GB2214950B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888802302A GB8802302D0 (en) 1988-02-02 1988-02-02 Cock pieces for strata control in mines

Publications (3)

Publication Number Publication Date
GB8821755D0 GB8821755D0 (en) 1988-10-19
GB2214950A GB2214950A (en) 1989-09-13
GB2214950B true GB2214950B (en) 1991-11-13

Family

ID=10630929

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888802302A Pending GB8802302D0 (en) 1988-02-02 1988-02-02 Cock pieces for strata control in mines
GB8821755A Expired - Lifetime GB2214950B (en) 1988-02-02 1988-09-16 Chock pieces for strata control in mines

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB888802302A Pending GB8802302D0 (en) 1988-02-02 1988-02-02 Cock pieces for strata control in mines

Country Status (1)

Country Link
GB (2) GB8802302D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU5929899A (en) * 1998-08-24 2000-03-14 Grinaker Construction Limited Support pack component
WO2000036274A1 (en) * 1998-12-14 2000-06-22 Grinaker Construction Limited An underground support pack

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2160914A (en) * 1984-06-09 1986-01-02 John Douglas Thompson Mine chock construction

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2160914A (en) * 1984-06-09 1986-01-02 John Douglas Thompson Mine chock construction

Also Published As

Publication number Publication date
GB8802302D0 (en) 1988-03-02
GB2214950A (en) 1989-09-13
GB8821755D0 (en) 1988-10-19

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Legal Events

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

Effective date: 19920916