WO2010051566A9 - Fixation bail - Google Patents

Fixation bail Download PDF

Info

Publication number
WO2010051566A9
WO2010051566A9 PCT/ZA2009/000061 ZA2009000061W WO2010051566A9 WO 2010051566 A9 WO2010051566 A9 WO 2010051566A9 ZA 2009000061 W ZA2009000061 W ZA 2009000061W WO 2010051566 A9 WO2010051566 A9 WO 2010051566A9
Authority
WO
WIPO (PCT)
Prior art keywords
bail
fixation
yoke
shaped
projects
Prior art date
Application number
PCT/ZA2009/000061
Other languages
French (fr)
Other versions
WO2010051566A1 (en
Inventor
Harald Helmut Otmar Michael SPÄTH
Graham Pike
Original Assignee
Aveng (Africa) Limited
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 Aveng (Africa) Limited filed Critical Aveng (Africa) Limited
Priority to AU2009308692A priority Critical patent/AU2009308692A1/en
Priority to US13/127,398 priority patent/US20110274504A1/en
Publication of WO2010051566A1 publication Critical patent/WO2010051566A1/en
Priority to ZA2011/03192A priority patent/ZA201103192B/en
Publication of WO2010051566A9 publication Critical patent/WO2010051566A9/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/008—Anchoring or tensioning means

Abstract

A bail (20) for an expansion shell assembly which is formed from a continuous elongate metallic member shaped to have a yoke (24), at least two U-shaped legs (26,28,30) which extend from the yoke, and a biasing element (76) which projects from the yoke.
PCT/ZA2009/000061 2008-11-03 2009-07-07 Fixation bail WO2010051566A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU2009308692A AU2009308692A1 (en) 2008-11-03 2009-07-07 Fixation bail
US13/127,398 US20110274504A1 (en) 2008-11-03 2009-07-07 Fixation bail
ZA2011/03192A ZA201103192B (en) 2008-11-03 2011-05-03 Fixation bail

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA2008/09405 2008-11-03
ZA200809405 2008-11-03

Publications (2)

Publication Number Publication Date
WO2010051566A1 WO2010051566A1 (en) 2010-05-06
WO2010051566A9 true WO2010051566A9 (en) 2011-05-05

Family

ID=41382027

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ZA2009/000061 WO2010051566A1 (en) 2008-11-03 2009-07-07 Fixation bail

Country Status (4)

Country Link
US (1) US20110274504A1 (en)
AU (1) AU2009308692A1 (en)
WO (1) WO2010051566A1 (en)
ZA (1) ZA201103192B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2019202151A1 (en) * 2018-08-31 2020-03-19 Jusand Nominees Pty Ltd Retainer device for a rock anchor, rock anchor system and associated installation method
US11732583B2 (en) * 2018-08-31 2023-08-22 Jusand Nominees Pty Ltd Retainer device for a rock anchor, rock anchor system and associated installation method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1631056A (en) * 1926-06-04 1927-05-31 Pepernick John Bed spring
US2086012A (en) * 1934-11-24 1937-07-06 William E Wunderlich Spring structure
US3528253A (en) * 1969-03-13 1970-09-15 Ohio Brass Co Mine roof support
US4626139A (en) * 1985-02-19 1986-12-02 Russell Blackwell Roof bolt anchor
US5087160A (en) * 1988-04-12 1992-02-11 American Mining Supply, Inc. Anchor bolt and expansion shell assembly
US5042961A (en) * 1989-06-15 1991-08-27 H & S Machine & Supply Co., Inc. Roof bolt with helical coil and bail anchor
US5919006A (en) * 1997-02-14 1999-07-06 Jennmar Corporation Tensionable cable bolt with mixing assembly

Also Published As

Publication number Publication date
WO2010051566A1 (en) 2010-05-06
AU2009308692A1 (en) 2010-05-06
ZA201103192B (en) 2011-12-28
US20110274504A1 (en) 2011-11-10

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