ZA200804959B - Expansion bail anchor and method - Google Patents

Expansion bail anchor and method

Info

Publication number
ZA200804959B
ZA200804959B ZA200804959A ZA200804959A ZA200804959B ZA 200804959 B ZA200804959 B ZA 200804959B ZA 200804959 A ZA200804959 A ZA 200804959A ZA 200804959 A ZA200804959 A ZA 200804959A ZA 200804959 B ZA200804959 B ZA 200804959B
Authority
ZA
South Africa
Prior art keywords
expansion
bail
anchor
bail anchor
expansion bail
Prior art date
Application number
ZA200804959A
Inventor
John G Oldsen
John C Stankus
Demrey G Brandon
Mark F Novakowski
Michael S Reilley
Original Assignee
Jennmar Corp
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 Jennmar Corp filed Critical Jennmar Corp
Publication of ZA200804959B publication Critical patent/ZA200804959B/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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D20/00—Setting anchoring-bolts
    • E21D20/02—Setting anchoring-bolts with provisions for grouting
    • E21D20/025—Grouting with organic components, e.g. resin
ZA200804959A 2007-08-07 2008-06-06 Expansion bail anchor and method ZA200804959B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/890,800 US20090041550A1 (en) 2007-08-07 2007-08-07 Expansion bail anchor and method

Publications (1)

Publication Number Publication Date
ZA200804959B true ZA200804959B (en) 2009-05-27

Family

ID=40339649

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200804959A ZA200804959B (en) 2007-08-07 2008-06-06 Expansion bail anchor and method

Country Status (4)

Country Link
US (1) US20090041550A1 (en)
AU (1) AU2008202802A1 (en)
CA (1) CA2633955A1 (en)
ZA (1) ZA200804959B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2007214341B8 (en) * 2007-08-31 2015-02-19 Sandvik Intellectual Property Ab Rock Bolt
US8647020B2 (en) * 2010-02-18 2014-02-11 Fci Holdings Delaware, Inc. Plastic cable bolt button
US8967916B2 (en) * 2011-05-05 2015-03-03 Earth Support Services, Inc. Mine roof support apparatus and system
CN102678146A (en) * 2012-04-20 2012-09-19 中南大学 Quickly mounted efficient energy-absorbing mining anchor rod
AU2013315240B2 (en) * 2012-09-14 2016-09-08 Fci Holdings Delaware, Inc. Cable bolt
US9506250B2 (en) 2013-02-11 2016-11-29 Robert Gilling Assembly for connecting rebar segments
US9091064B1 (en) * 2014-03-10 2015-07-28 Christian L. Dahl Rebar anchorage device and method for connecting same to a rebar
WO2016193913A1 (en) * 2015-06-03 2016-12-08 Brl Patents Limited Securing assembly
CN111648806B (en) * 2020-07-09 2021-05-14 中国科学院地质与地球物理研究所 Energy-absorbing anchor rod device with umbrella-shaped structure

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4100748A (en) * 1977-01-07 1978-07-18 Stratabolt Corporation Mine roof or rock bolt expansion anchor of the bail type
US4419805A (en) * 1980-11-21 1983-12-13 Jennmar Corporation Method for combining resin bonding and mechanical anchoring of a bolt in a rock formation
US4534680A (en) * 1982-02-16 1985-08-13 Birmingham Bolt Company Combination expansion shell and resin secured mine roof anchor assembly
US4516886A (en) * 1984-05-14 1985-05-14 The Eastern Company Combined resin-mechanical mine roof support anchor
US4859118A (en) * 1988-06-21 1989-08-22 Birmingham Bolt Company, Inc. Mine roof support anchor and process for installing the same
US5082399A (en) * 1988-08-08 1992-01-21 Jennmar Corporation Mine roof anchor having adjustable resin retaining washer and expansion shell assembly with friction reducing means
US5009549A (en) * 1988-11-22 1991-04-23 Jennmar Corporation Expansion assembly for mine roof bolts
US4861198A (en) * 1988-11-22 1989-08-29 Jennmar Corporation Expansion assembly for mine roof bolts
AT390674B (en) * 1989-02-07 1990-06-11 Rsf Elektronik Gmbh INCREMENTAL MEASURING SYSTEM
US4969778A (en) * 1989-06-19 1990-11-13 Jennmar Corporation Expansion assembly for mine roof bolts utilized in small diameter bore holes
US4904123A (en) * 1989-06-19 1990-02-27 Jennmar Corporation Expansion assembly for mine roof bolts utilized in small diameter bore holes
US5078547A (en) * 1989-06-19 1992-01-07 Jennmar Corporation Expansion assembly for mine roof bolts
US5076733A (en) * 1990-05-04 1991-12-31 Jennmar Corporation Mine roof anchor assembly having an expansion shell assembly with a friction reducing means
US5094577A (en) * 1990-06-29 1992-03-10 The Eastern Company Mine roof expansion anchor
US5098227A (en) * 1991-03-01 1992-03-24 The Eastern Company Tubular retainer for mine roof expansion anchor and method of use
US5219248A (en) * 1992-05-14 1993-06-15 The Eastern Company Mine roof expansion anchor with improved bore hole engagement means and method of installation thereof
US5275512A (en) * 1992-07-14 1994-01-04 The Eastern Company Mine roof expansion anchor and bail member therefor
US5316414A (en) * 1993-04-14 1994-05-31 The Eastern Company Mine roof expansion anchor, tapered plug element used therein and method of installation
US5501551A (en) * 1995-03-24 1996-03-26 The Eastern Company Mine roof expansion anchor, expansible shell element used therein and method of installation
US6270290B1 (en) * 1997-02-14 2001-08-07 Jennmar Corporation Tensionable cable bolt
US5762451A (en) * 1997-02-26 1998-06-09 Jennmar Corporation Multi-piece, split bail expansion anchor
US6275512B1 (en) * 1998-11-25 2001-08-14 Imra America, Inc. Mode-locked multimode fiber laser pulse source
US6455372B1 (en) * 2000-08-14 2002-09-24 Micron Technology, Inc. Nucleation for improved flash erase characteristics
US6742966B2 (en) * 2001-01-12 2004-06-01 James D. Cook Expansion shell assembly
US7073982B2 (en) * 2004-09-24 2006-07-11 Jennmar Corporation Point anchor coated mine roof bolt

Also Published As

Publication number Publication date
CA2633955A1 (en) 2009-02-07
US20090041550A1 (en) 2009-02-12
AU2008202802A1 (en) 2009-02-26

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