GB8330127D0 - Mine prop - Google Patents

Mine prop

Info

Publication number
GB8330127D0
GB8330127D0 GB838330127A GB8330127A GB8330127D0 GB 8330127 D0 GB8330127 D0 GB 8330127D0 GB 838330127 A GB838330127 A GB 838330127A GB 8330127 A GB8330127 A GB 8330127A GB 8330127 D0 GB8330127 D0 GB 8330127D0
Authority
GB
United Kingdom
Prior art keywords
mine prop
prop
mine
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.)
Withdrawn
Application number
GB838330127A
Other versions
GB2149440A (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.)
Botha R B
Original Assignee
Botha R B
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
Priority to ZA836286A priority Critical patent/ZA836286B/en
Priority claimed from ZA836286A external-priority patent/ZA836286B/en
Application filed by Botha R B filed Critical Botha R B
Priority to GB08330127A priority patent/GB2149440A/en
Priority to AU21311/83A priority patent/AU2131183A/en
Priority to CA000441256A priority patent/CA1197699A/en
Priority to FR8318843A priority patent/FR2555658B3/en
Priority to DE19833343328 priority patent/DE3343328A1/en
Publication of GB8330127D0 publication Critical patent/GB8330127D0/en
Publication of GB2149440A publication Critical patent/GB2149440A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D15/502—Prop bodies characterised by their shape, e.g. of specified cross-section
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
GB08330127A 1982-08-26 1983-11-11 Mine prop Withdrawn GB2149440A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
ZA836286A ZA836286B (en) 1982-08-26 1983-08-25 Mine prop
GB08330127A GB2149440A (en) 1983-08-25 1983-11-11 Mine prop
AU21311/83A AU2131183A (en) 1983-08-25 1983-11-14 Timber mine prop with metal sleeve
CA000441256A CA1197699A (en) 1983-08-25 1983-11-16 Mine prop
FR8318843A FR2555658B3 (en) 1983-08-25 1983-11-25 WOOD MINE STAY
DE19833343328 DE3343328A1 (en) 1983-08-25 1983-11-28 Pit prop

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
ZA836286A ZA836286B (en) 1982-08-26 1983-08-25 Mine prop
GB08330127A GB2149440A (en) 1983-08-25 1983-11-11 Mine prop
AU21311/83A AU2131183A (en) 1983-08-25 1983-11-14 Timber mine prop with metal sleeve
CA000441256A CA1197699A (en) 1983-08-25 1983-11-16 Mine prop
FR8318843A FR2555658B3 (en) 1983-08-25 1983-11-25 WOOD MINE STAY
DE19833343328 DE3343328A1 (en) 1983-08-25 1983-11-28 Pit prop

Publications (2)

Publication Number Publication Date
GB8330127D0 true GB8330127D0 (en) 1983-12-21
GB2149440A GB2149440A (en) 1985-06-12

Family

ID=27542589

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08330127A Withdrawn GB2149440A (en) 1982-08-26 1983-11-11 Mine prop

Country Status (5)

Country Link
AU (1) AU2131183A (en)
CA (1) CA1197699A (en)
DE (1) DE3343328A1 (en)
FR (1) FR2555658B3 (en)
GB (1) GB2149440A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA838848B (en) * 1982-08-26 1984-08-29
AU749241B2 (en) * 1997-10-23 2002-06-20 Strata Products (Usa), Llc Mine prop
SE512081C2 (en) * 1998-06-26 2000-01-24 Sandvik Ab Fixture and grinding machine for grinding pins on a rock drill bit
US6499916B2 (en) 1999-04-14 2002-12-31 American Commercial Inc. Compressible support column
US6910834B2 (en) 2003-05-27 2005-06-28 Burrell Mining Products, Inc. Mine prop
US8851805B2 (en) 2012-08-30 2014-10-07 Burrell Mining Products, Inc. Telescopic mine roof support
US9903203B2 (en) 2014-08-27 2018-02-27 Burrell Mining Products, Inc. Ventilated mine roof support
US9611738B2 (en) 2014-08-27 2017-04-04 Burrell Mining Products, Inc. Ventilated mine roof support

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB288011A (en) * 1927-03-07 1928-04-05 Thomas Knighton Improvements in and relating to pit props
GB1205592A (en) * 1967-04-25 1970-09-16 Coal Industry Patents Ltd Yieldable mine roof-support
GB2081340B (en) * 1980-07-22 1984-07-25 Brown Allan Henry George Deformable mine prop
GB2080364A (en) * 1980-07-22 1982-02-03 Hunt Leuchars & Hepburn Ltd Mine support prop
GB2096203A (en) * 1981-04-08 1982-10-13 Longwall Mining Equipment Prop Mine support
DE3200338A1 (en) * 1981-05-27 1982-12-16 Subroc Supports (Proprietary) Ltd., Germiston, Transvaal LOAD SUPPORT SUPPORT

Also Published As

Publication number Publication date
CA1197699A (en) 1985-12-10
FR2555658A1 (en) 1985-05-31
FR2555658B3 (en) 1986-04-11
DE3343328A1 (en) 1985-06-05
GB2149440A (en) 1985-06-12
AU2131183A (en) 1985-05-23

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)