ZA931670B - Mine roof expansion anchor and bail element - Google Patents

Mine roof expansion anchor and bail element

Info

Publication number
ZA931670B
ZA931670B ZA931670A ZA931670A ZA931670B ZA 931670 B ZA931670 B ZA 931670B ZA 931670 A ZA931670 A ZA 931670A ZA 931670 A ZA931670 A ZA 931670A ZA 931670 B ZA931670 B ZA 931670B
Authority
ZA
South Africa
Prior art keywords
expansion anchor
mine roof
bail element
roof expansion
bail
Prior art date
Application number
ZA931670A
Other languages
English (en)
Inventor
Raymond L Wright
Carl A Clark
Original Assignee
Eastern Co
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 Eastern Co filed Critical Eastern Co
Publication of ZA931670B publication Critical patent/ZA931670B/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Pivots And Pivotal Connections (AREA)
ZA931670A 1992-12-02 1993-03-09 Mine roof expansion anchor and bail element ZA931670B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/984,498 US5344257A (en) 1992-12-02 1992-12-02 Mine roof expansion anchor and bail element

Publications (1)

Publication Number Publication Date
ZA931670B true ZA931670B (en) 1993-10-06

Family

ID=25530621

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA931670A ZA931670B (en) 1992-12-02 1993-03-09 Mine roof expansion anchor and bail element

Country Status (4)

Country Link
US (1) US5344257A (fr)
AU (1) AU663157B2 (fr)
CA (1) CA2090952C (fr)
ZA (1) ZA931670B (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU673989B2 (en) * 1991-08-12 1996-12-05 Mount Isa Mines Limited A bail
US5599140A (en) * 1995-09-13 1997-02-04 The Eastern Company Mine roof support system including an expansion anchor with means assisting resin component mixing and method of installation thereof
US5762451A (en) * 1997-02-26 1998-06-09 Jennmar Corporation Multi-piece, split bail expansion anchor
US5885031A (en) * 1997-12-08 1999-03-23 White; Claude Mine roof bolt anchor
US6829871B1 (en) * 1998-12-01 2004-12-14 Cobra Fixations Cie Ltee-Cobra Anchors Co., Ltd. Wedge anchor for concrete
WO2000032946A1 (fr) 1998-12-01 2000-06-08 Cobra Fixations Cie Ltee - Cobra Anchors Co. Ltd. Ancrage a expansion pour ciment
US6739813B1 (en) 2000-05-19 2004-05-25 William P. Gundy Plastic encapsulated bolt and anchor assembly
US6742966B2 (en) * 2001-01-12 2004-06-01 James D. Cook Expansion shell assembly
WO2002081866A1 (fr) * 2001-03-26 2002-10-17 Örsta Staalindustri As Boulon d'ancrage
WO2003001073A2 (fr) * 2001-06-21 2003-01-03 Black & Decker Inc. Procede et appareil permettant de fixer une charpente metallique a l'aide de clous
CN1643263A (zh) * 2002-03-28 2005-07-20 阿图尔-费希尔股份公司费希尔厂 复合锚栓
CA2470212A1 (fr) * 2004-06-30 2005-12-30 Wilfred G. Morris Boulon mecanique et scelle a la resine double
WO2008060211A1 (fr) * 2006-11-15 2008-05-22 Sandvik Intellectual Property Ab Boulon d'ancrage et dispositif d'ancrage
US8348581B2 (en) * 2007-01-18 2013-01-08 Sika Technology Ag Integral tensioning member for variable sheetmetal thickness carrier attachment
DE102008001903A1 (de) * 2008-05-21 2009-11-26 Hilti Aktiengesellschaft Befestigungselement
US8192122B2 (en) * 2009-08-17 2012-06-05 Powers Fasteners, Inc. Anchor bolt
US9708809B2 (en) * 2013-03-14 2017-07-18 Darren Bruce Bennett Anchor and method of using the same
US9360035B2 (en) * 2014-01-13 2016-06-07 Jeffrey D. Carnevali Rod-to-tube adapter
JP2019508647A (ja) * 2016-03-17 2019-03-28 セントリックス インク． 超低スタック高さのグリップ領域を有する着脱可能な片側締着具、部品、及びそれらを製造及び使用方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2799201A (en) * 1954-08-03 1957-07-16 Albert H Genter Roof expansion bolt having a flexible strap connecting shell halves for anchoring
FR1128024A (fr) * 1955-06-18 1957-01-02 Perfectionnements apportés aux boulons à expansion, pour le soutènement ou l'ancrage, notamment dans les toits de mines
US3726181A (en) * 1971-03-24 1973-04-10 F Dickow Expansion shell assembly
US3896627A (en) * 1974-10-18 1975-07-29 Fosroc Ag Anchoring
US3941028A (en) * 1975-03-06 1976-03-02 The Eastern Company Mine roof expansion anchor
US4556344A (en) * 1981-10-16 1985-12-03 Birmingham Bolt Company Combination expansion shell and resin secured mine roof anchor assembly
US4437795A (en) * 1981-11-02 1984-03-20 Birmingham Bolt Company Mine roof anchor assembly
US4483645A (en) * 1982-02-16 1984-11-20 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
US5018908A (en) * 1989-10-31 1991-05-28 American Mining Supply, Inc. Anchor assembly for a mine roof bolt
US5028188A (en) * 1990-06-18 1991-07-02 The Eastern Company Expansion bolt

Also Published As

Publication number Publication date
US5344257A (en) 1994-09-06
CA2090952C (fr) 1996-11-19
AU663157B2 (en) 1995-09-28
CA2090952A1 (fr) 1994-06-03
AU3391493A (en) 1994-06-16

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