PL306755A1 - Mining roof support and method of making same - Google Patents

Mining roof support and method of making same

Info

Publication number
PL306755A1
PL306755A1 PL30675595A PL30675595A PL306755A1 PL 306755 A1 PL306755 A1 PL 306755A1 PL 30675595 A PL30675595 A PL 30675595A PL 30675595 A PL30675595 A PL 30675595A PL 306755 A1 PL306755 A1 PL 306755A1
Authority
PL
Poland
Prior art keywords
making same
roof support
mining roof
mining
support
Prior art date
Application number
PL30675595A
Inventor
Lester H Tupper
Original Assignee
Strata Products Usa Inc
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 Strata Products Usa Inc filed Critical Strata Products Usa Inc
Publication of PL306755A1 publication Critical patent/PL306755A1/en

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
    • E21D15/50—Component parts or details of props
    • E21D15/54—Details of the ends of props
    • E21D15/55—Details of the ends of props of prop heads or feet
    • 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
    • E21D15/02—Non-telescopic props

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)
  • Rod-Shaped Construction Members (AREA)
  • Catching Or Destruction (AREA)
PL30675595A 1994-01-13 1995-01-12 Mining roof support and method of making same PL306755A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18130894A 1994-01-13 1994-01-13

Publications (1)

Publication Number Publication Date
PL306755A1 true PL306755A1 (en) 1995-07-24

Family

ID=22663738

Family Applications (1)

Application Number Title Priority Date Filing Date
PL30675595A PL306755A1 (en) 1994-01-13 1995-01-12 Mining roof support and method of making same

Country Status (4)

Country Link
AU (1) AU681729B2 (en)
CA (1) CA2140121A1 (en)
GB (1) GB2285643B (en)
PL (1) PL306755A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU9043298A (en) * 1997-08-12 1999-03-01 Chengeta, Cuthbert A pre-stressing device for a mine prop
US11053683B2 (en) * 2018-01-24 2021-07-06 Strata Products Worldwide, Llc Apparatus for controlling yield performance of props for roofs, and methods

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4915339A (en) * 1982-08-06 1990-04-10 H L & H Timer Products (Proprietary) Limited Mine prop
GB2132248A (en) * 1982-11-19 1984-07-04 H L & H Timber Products Timber mine prop

Also Published As

Publication number Publication date
AU681729B2 (en) 1997-09-04
GB9500499D0 (en) 1995-03-01
GB2285643A (en) 1995-07-19
AU1009395A (en) 1995-07-20
GB2285643B (en) 1997-07-02
CA2140121A1 (en) 1995-07-14

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