ZA929506B - Mine roof expansion anchor and bail member therefor - Google Patents

Mine roof expansion anchor and bail member therefor

Info

Publication number
ZA929506B
ZA929506B ZA929506A ZA929506A ZA929506B ZA 929506 B ZA929506 B ZA 929506B ZA 929506 A ZA929506 A ZA 929506A ZA 929506 A ZA929506 A ZA 929506A ZA 929506 B ZA929506 B ZA 929506B
Authority
ZA
South Africa
Prior art keywords
expansion anchor
mine roof
bail member
member therefor
roof expansion
Prior art date
Application number
ZA929506A
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 ZA929506B publication Critical patent/ZA929506B/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)
  • Dowels (AREA)
  • Piles And Underground Anchors (AREA)
  • Joining Of Building Structures In Genera (AREA)
ZA929506A 1992-07-14 1992-12-08 Mine roof expansion anchor and bail member therefor ZA929506B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/913,167 US5275512A (en) 1992-07-14 1992-07-14 Mine roof expansion anchor and bail member therefor

Publications (1)

Publication Number Publication Date
ZA929506B true ZA929506B (en) 1994-01-13

Family

ID=25432997

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA929506A ZA929506B (en) 1992-07-14 1992-12-08 Mine roof expansion anchor and bail member therefor

Country Status (4)

Country Link
US (1) US5275512A (fr)
AU (1) AU648207B2 (fr)
CA (1) CA2078845C (fr)
ZA (1) ZA929506B (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US6742966B2 (en) * 2001-01-12 2004-06-01 James D. Cook Expansion shell assembly
KR100465935B1 (ko) * 2002-09-25 2005-01-14 (주)태경감리공단건축사사무소 지하 옹벽 구축용 거푸집 타이볼트
US20030133758A1 (en) * 2002-11-18 2003-07-17 Dever Kerry Lee Method for setting anchoring bolts in mines
DE102004020852B4 (de) * 2004-04-28 2006-07-13 Hilti Ag Eingussdübel
BRPI0618483A2 (pt) * 2005-11-09 2011-08-30 Sandvik Intellectual Property parafuso auto-perfurador para rocha
AU2007203409B2 (en) * 2006-07-20 2009-10-22 Fci Holdings Delaware, Inc. Rock bolt
CA2665474A1 (fr) * 2006-11-15 2008-05-22 Sandvik Intellectual Property Ab Boulon d'ancrage et dispositif d'ancrage
AU2006236012B2 (en) * 2006-11-15 2009-06-04 Sandvik Intellectual Property Ab A rock bolt and an anchoring device
US20090041550A1 (en) * 2007-08-07 2009-02-12 Jennmar Corporation Expansion bail anchor and method
AU2007214343B2 (en) * 2007-08-31 2009-08-13 Sandvik Intellectual Property Ab Rock bolt with mechanical anchor
DE102013002734B4 (de) * 2013-02-19 2015-03-05 Firep Rebar Technology Gmbh Ankerkopf für einen Zuganker und Ankermutter für einen Ankerkopf eines Zugankers
CN105350994B (zh) * 2015-10-28 2017-10-03 天地科技股份有限公司 一种注浆锚杆及其使用方法
US12152400B2 (en) * 2021-10-04 2024-11-26 Apa Solar, Llc Expanding foundation system and method
CN114810172A (zh) * 2022-04-08 2022-07-29 中国长江三峡集团有限公司 一种防滑防脱的压力分散式锚杆
TWI872838B (zh) * 2023-12-01 2025-02-11 財團法人工業技術研究院 可擴張椎間植入物

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4453845A (en) * 1983-01-19 1984-06-12 Donan Jr David C Base thrust anchor shell assembly
US4626139A (en) * 1985-02-19 1986-12-02 Russell Blackwell Roof bolt anchor
US4744699A (en) * 1986-05-19 1988-05-17 Baker International Corporation Single-pass roof bolt and apparatus and method for installation
US5087160A (en) * 1988-04-12 1992-02-11 American Mining Supply, Inc. Anchor bolt and expansion shell assembly
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
US5018908A (en) * 1989-10-31 1991-05-28 American Mining Supply, Inc. Anchor assembly for a mine roof bolt

Also Published As

Publication number Publication date
AU2836792A (en) 1994-01-20
US5275512A (en) 1994-01-04
CA2078845A1 (fr) 1994-01-15
CA2078845C (fr) 1996-06-25
AU648207B2 (en) 1994-04-14

Similar Documents

Publication Publication Date Title
ZA931670B (en) Mine roof expansion anchor and bail element
GB9210235D0 (en) Anchor bolt
GB2251020B (en) Improved roof anchor
AU2836792A (en) Mine roof expansion anchor and bail member therefor
ZA909083B (en) Mine roof support truss and components
ZA946612B (en) Rock anchor bolt
GB2291100B (en) Improved roof anchor
ZA926996B (en) Resin-mixing article for mine roof anchor.
GB2283526B (en) Roof anchor
GB9301504D0 (en) Improved roof anchor
GB2268764B (en) Roof structures
AU642811B2 (en) Mine roof expansion anchor
HUP0003506A3 (en) Roof and wall cladding
PL294108A1 (en) Mining anchor
PL294093A1 (en) Mining anchor
GB9217302D0 (en) Portable roof anchor
EP0664847A4 (fr) Arrosage pour puit de forage
ZA938192B (en) Rock anchor
PL297115A1 (en) Mine roof support
PL54194Y1 (en) Mining anchor head
CA69184S (en) Roof anchor
GB9102007D0 (en) Modified roof anchor
GB2214216B (en) Mine roof supports and sprags therefor
AU4089289A (en) Mine roof anchor assembly
ZA946032B (en) Rock anchor