ZA934432B - Mine roof expansion anchor, tapered plug element used therein and method of installation. - Google Patents

Mine roof expansion anchor, tapered plug element used therein and method of installation.

Info

Publication number
ZA934432B
ZA934432B ZA934432A ZA934432A ZA934432B ZA 934432 B ZA934432 B ZA 934432B ZA 934432 A ZA934432 A ZA 934432A ZA 934432 A ZA934432 A ZA 934432A ZA 934432 B ZA934432 B ZA 934432B
Authority
ZA
South Africa
Prior art keywords
installation
element used
plug element
expansion anchor
mine roof
Prior art date
Application number
ZA934432A
Other languages
English (en)
Inventor
Raymond L Wright
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 ZA934432B publication Critical patent/ZA934432B/xx

Links

Classifications

    • 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
    • E21D20/025—Grouting with organic components, e.g. resin
    • 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)
  • Dowels (AREA)
  • Joining Of Building Structures In Genera (AREA)
ZA934432A 1993-04-14 1993-06-21 Mine roof expansion anchor, tapered plug element used therein and method of installation. ZA934432B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/046,579 US5316414A (en) 1993-04-14 1993-04-14 Mine roof expansion anchor, tapered plug element used therein and method of installation

Publications (1)

Publication Number Publication Date
ZA934432B true ZA934432B (en) 1994-01-17

Family

ID=21944199

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA934432A ZA934432B (en) 1993-04-14 1993-06-21 Mine roof expansion anchor, tapered plug element used therein and method of installation.

Country Status (4)

Country Link
US (1) US5316414A (fr)
AU (1) AU659384B2 (fr)
CA (1) CA2098071C (fr)
ZA (1) ZA934432B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5501551A (en) * 1995-03-24 1996-03-26 The Eastern Company Mine roof expansion anchor, expansible shell element used therein and method of installation
US6829871B1 (en) * 1998-12-01 2004-12-14 Cobra Fixations Cie Ltee-Cobra Anchors Co., Ltd. Wedge anchor for concrete
US6637309B2 (en) 1999-10-15 2003-10-28 Champion Fiberglass, Inc. Launch tube and a method for making a launch tube
DE10116447A1 (de) * 2000-04-04 2001-12-06 Jennmar Corp Verbesserte Dreizinken-Hülse
US6742966B2 (en) * 2001-01-12 2004-06-01 James D. Cook Expansion shell assembly
US20090041550A1 (en) * 2007-08-07 2009-02-12 Jennmar Corporation Expansion bail anchor and method
CN101260669B (zh) * 2008-04-24 2010-07-07 中国京冶工程技术有限公司 钻喷注一体化扩体锚杆施工方法
DE102011076180A1 (de) * 2011-05-20 2012-11-22 Hilti Aktiengesellschaft Ankerbolzen und Herstellungsverfahren

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5078547A (en) * 1989-06-19 1992-01-07 Jennmar Corporation Expansion assembly for mine roof bolts
US5033910A (en) * 1990-03-19 1991-07-23 The Eastern Company Mechanical expansion anchor shell
US5094577A (en) * 1990-06-29 1992-03-10 The Eastern Company Mine roof expansion anchor

Also Published As

Publication number Publication date
US5316414A (en) 1994-05-31
AU659384B2 (en) 1995-05-11
CA2098071A1 (fr) 1994-10-15
AU4129193A (en) 1994-11-24
CA2098071C (fr) 1998-01-20

Similar Documents

Publication Publication Date Title
ZA941051B (en) Expansion foam borehole plug and method
GB9711872D0 (en) Bore plug and bore plugging method
EP0646894A3 (fr) Carte à mémoire et méthode d'assemblage de celle ci.
ZA926273B (en) Mine roof expansion anchor with improved bore hole engagement means and method of installation thereof.
AU3391493A (en) Mine roof expansion anchor and bail element
EP0932734A4 (fr) Systeme et procede d'etancheite pour toit metallique
ZA925843B (en) Threaded fastener, method of fabrication thereof and method of supporting a mine roof using such a fastener.
AU3064695A (en) Mine roof expansion anchor, expansible shell element used therein and method of installation
EP0845605A4 (fr) Boulon d'ancrage autoperceur
ZA929506B (en) Mine roof expansion anchor and bail member therefor
ZA934432B (en) Mine roof expansion anchor, tapered plug element used therein and method of installation.
GB2278136B (en) Expanded slip well anchor
ZA946612B (en) Rock anchor bolt
AU646306B2 (en) Tubular retainer for mine roof expansion anchor and method of use
IL124667A (en) Igniter assembly and method
GB2268205B (en) Borehole assembly and method
GB9322577D0 (en) Roof anchor
AU642811B2 (en) Mine roof expansion anchor
AP9901679A0 (en) Softwall mining method and device
ZA979880B (en) Building system and building elements.
GB2278871B (en) Foundation and method of installation
GB9727127D0 (en) Substructure and method of installation
ZA97743B (en) Method of mining underground.
GB9712110D0 (en) Ignition systems and methods
AU8378098A (en) Rock bolt anchoring system and method of use thereof