ZA924776B - An expansion assembly - Google Patents

An expansion assembly

Info

Publication number
ZA924776B
ZA924776B ZA924776A ZA924776A ZA924776B ZA 924776 B ZA924776 B ZA 924776B ZA 924776 A ZA924776 A ZA 924776A ZA 924776 A ZA924776 A ZA 924776A ZA 924776 B ZA924776 B ZA 924776B
Authority
ZA
South Africa
Prior art keywords
expansion assembly
expansion
assembly
Prior art date
Application number
ZA924776A
Other languages
English (en)
Inventor
Frank Calandra Jr
Calandra Frank Jr
Jerry E Frease
E Frease Jerry
John C Stankus
C Stankus John
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 ZA924776B publication Critical patent/ZA924776B/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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D20/00—Setting anchoring-bolts
    • E21D20/02—Setting anchoring-bolts with provisions for grouting

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)
  • Dowels (AREA)
ZA924776A 1991-06-27 1992-06-26 An expansion assembly ZA924776B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/722,125 US5244314A (en) 1991-06-27 1991-06-27 Expansion assembly

Publications (1)

Publication Number Publication Date
ZA924776B true ZA924776B (en) 1993-03-31

Family

ID=24900612

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA924776A ZA924776B (en) 1991-06-27 1992-06-26 An expansion assembly

Country Status (6)

Country Link
US (1) US5244314A (es)
AU (1) AU650549B2 (es)
CA (1) CA2072515A1 (es)
GB (1) GB2257223B (es)
MX (1) MX9203488A (es)
ZA (1) ZA924776B (es)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5425601A (en) * 1993-11-12 1995-06-20 Jennmar Corporation Longwall mining roof control system
US5511909A (en) * 1994-06-07 1996-04-30 Jennmar Corporation Cable bolt and method of use in supporting a rock formation
US6270290B1 (en) 1997-02-14 2001-08-07 Jennmar Corporation Tensionable cable bolt
US5919006A (en) * 1997-02-14 1999-07-06 Jennmar Corporation Tensionable cable bolt with mixing assembly
AU746675B2 (en) * 1997-06-12 2002-05-02 Steeledale Group Limited A rock bolt
AU747261B2 (en) * 1999-09-14 2002-05-09 Fci Holdings Delaware, Inc. Grit surface cable products
US6742966B2 (en) * 2001-01-12 2004-06-01 James D. Cook Expansion shell assembly
DE10301968A1 (de) * 2003-01-20 2004-07-29 Hilti Ag Gebirgsanker
US7179020B2 (en) * 2003-12-08 2007-02-20 Robertson Jr Roy Lee Mine roof bolt anchoring system and method
US6986623B2 (en) * 2003-12-08 2006-01-17 Robertson Jr Roy Lee Method and apparatus for anchoring a mine roof bolt
AU2004299871A1 (en) * 2003-12-17 2005-06-30 Terrasimco Inc. Coated mining bolt
AU2005200804B2 (en) * 2005-02-23 2012-10-11 Fci Holdings Delaware, Inc. Improved resin groutable expansion anchor and method of installing same
US7566189B2 (en) * 2007-04-19 2009-07-28 Jennmar Corporation Mine roof bolt with resin control surface
DE102007031176B4 (de) * 2007-07-04 2011-02-10 Zimmer, Günther Dübel für selbsttätigen Deckplattenhintergriff und dessen Setz- und Klebeverfahren
US20090022564A1 (en) * 2007-07-18 2009-01-22 Glenn Summerfield Anchor for screw fastener
US8974163B2 (en) * 2008-09-09 2015-03-10 Mechanical Plastics Corp. Wedge-type drop-in anchor assembly
US8282318B2 (en) 2009-03-02 2012-10-09 Robertson Jr Roy Lee Roof bolt anchor with camming element
US7959379B2 (en) * 2009-03-02 2011-06-14 Robertson Jr Roy Lee Bolt anchor
US8517641B2 (en) * 2009-07-21 2013-08-27 Illinois Tool Works Inc. Anchoring adhesive combination and integrated method of applying it
CN101787893A (zh) * 2010-03-24 2010-07-28 东北大学 一种新型树脂锚杆安装器
US8277149B2 (en) 2010-08-04 2012-10-02 Fci Holdings Delaware, Inc. Tensionable cable bolt with crimped shaft
JP5749984B2 (ja) 2011-02-04 2015-07-15 エヌパット株式会社 アンカーボルト、アンカー金具、連結ナットおよび締付ナット
JP6047382B2 (ja) * 2012-02-02 2016-12-21 エヌパット株式会社 アンカーおよびアンカー施工方法
US9708809B2 (en) * 2013-03-14 2017-07-18 Darren Bruce Bennett Anchor and method of using the same
CN103334780B (zh) * 2013-07-17 2016-01-20 中国科学院武汉岩土力学研究所 一种胀壳式恒阻预应力锚杆
WO2015013743A1 (en) * 2013-07-30 2015-02-05 Dywidag-Systems International Pty Limited Friction bolt assembly
CN105840221B (zh) * 2016-05-14 2019-01-04 中铁二院工程集团有限责任公司 旋转式可快速锚固安装粘结型中空锚杆
US12031394B2 (en) * 2022-02-15 2024-07-09 Michael Pucciarello Rod coupling remover device

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA751137A (en) * 1967-01-24 Harvey Lincoln Bolt for binding rock and the like
US2685221A (en) * 1949-10-06 1954-08-03 Joy Mfg Co Bolt sleeve expanded by wedge and wedging threads
DE1126823B (de) * 1960-04-07 1962-04-05 Bergwerksverband Gmbh Verfahren zur Befestigung von Ankern in den sie aufnehmenden Bohrloechern und Anker zur Durchfuehrung des Verfahrens
US3181414A (en) * 1963-05-14 1965-05-04 Eastern Co Mine roof bolt expanding shells
US3381567A (en) * 1966-05-09 1968-05-07 Torque Tension Bolt Company Pr Mine roof bolt
DE2221267C3 (de) * 1971-04-30 1978-10-05 Giorgio Mailand Feige (Italien) Spreizdübel
US3941028A (en) * 1975-03-06 1976-03-02 The Eastern Company Mine roof expansion anchor
US4162133A (en) * 1977-09-21 1979-07-24 The Eastern Company Resin reinforced expansion anchor and method of installation
USRE31776E (en) * 1977-09-21 1984-12-25 The Eastern Company Resin reinforced expansion anchor and method of installation
US4160615A (en) * 1978-03-23 1979-07-10 The International Nickel Company, Inc. Cable rock anchor
US4160614A (en) * 1978-03-23 1979-07-10 Jennmar Corporation Expansion shell assembly and method for combining resin bonding and mechanical anchoring of a bolt in a rock formation
US4173918A (en) * 1978-03-27 1979-11-13 Raymond Piersall Roof bolt and the like
US4193715A (en) * 1978-05-12 1980-03-18 The Eastern Company Mine roof support method and apparatus
US4518292A (en) * 1980-11-21 1985-05-21 Jennmar Corporation Method and apparatus for combining resin bonding and mechanical anchoring of a bolt in a rock formation
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
US4516885A (en) * 1980-11-21 1985-05-14 Jennmar Corporation Method and apparatus for combining resin bonding and mechanical anchoring of a bolt in a rock formation
US4413930A (en) * 1980-11-21 1983-11-08 Jennmar Corporation Method and apparatus for combining resin bonding and mechanical anchoring of a bolt in a rock formation
US4534679A (en) * 1982-02-16 1985-08-13 Birmingham Bolt Company Combination expansion shell and resin secured 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
US4611954A (en) * 1984-09-25 1986-09-16 Republic Corporation Apparatus and method for mine installations
US4655645A (en) * 1984-12-31 1987-04-07 H&S Machine & Supply Co., Inc. Method and apparatus for anchoring roof bolts
US4679966A (en) * 1985-12-13 1987-07-14 Jennmar Corporation Roof bolt apparatus with expansion shell and coupling
US4664561A (en) * 1986-08-12 1987-05-12 The Eastern Co. Combined resin-mechanical mine roof bolt anchor
US4784530A (en) * 1986-09-16 1988-11-15 Price Jr Stanley J Roof bolt apparatus
US4764055A (en) * 1986-10-02 1988-08-16 Birmingham Bolt Company, Inc. Resin reinforced expansion anchor system
US5011337A (en) * 1988-10-28 1991-04-30 The Eastern Company Mine roof expansion anchor shell and leaf
US4913593A (en) * 1988-10-28 1990-04-03 The Eastern Company Mine roof expansion anchor
US4969778A (en) * 1989-06-19 1990-11-13 Jennmar Corporation Expansion assembly for mine roof bolts utilized in small diameter bore holes

Also Published As

Publication number Publication date
GB2257223B (en) 1995-02-08
CA2072515A1 (en) 1992-12-28
US5244314A (en) 1993-09-14
AU1930792A (en) 1993-01-14
AU650549B2 (en) 1994-06-23
MX9203488A (es) 1993-04-01
GB2257223A (en) 1993-01-06
GB9213756D0 (en) 1992-08-12

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