CA2142894A1 - Boulons d'ancrage ameliores - Google Patents

Boulons d'ancrage ameliores

Info

Publication number
CA2142894A1
CA2142894A1 CA002142894A CA2142894A CA2142894A1 CA 2142894 A1 CA2142894 A1 CA 2142894A1 CA 002142894 A CA002142894 A CA 002142894A CA 2142894 A CA2142894 A CA 2142894A CA 2142894 A1 CA2142894 A1 CA 2142894A1
Authority
CA
Canada
Prior art keywords
rock bolt
threaded portion
nut
interference zone
threaded
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
CA002142894A
Other languages
English (en)
Inventor
Jeffrey Robert Ferguson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2142894A1 publication Critical patent/CA2142894A1/fr
Abandoned legal-status Critical Current

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/44—Making machine elements bolts, studs, or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/44—Making machine elements bolts, studs, or the like
    • B21K1/54—Making machine elements bolts, studs, or the like with grooves or notches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/56—Making machine elements screw-threaded elements
    • 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
    • E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Earth Drilling (AREA)
  • Forging (AREA)

Abstract

Boulon d'ancrage (1) constitué d'une tige allongée (3) présentant un secteur externe fileté (2) à une extrémité, destiné au libre passage d'un écrou, sauf sur une zone de sur-mesure (12) ménagée sur une partie de la longueur du filetage (2) afin de résister au passage du boulon.
CA002142894A 1993-06-28 1994-06-28 Boulons d'ancrage ameliores Abandoned CA2142894A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPL9617 1993-06-28
AUPL961793 1993-06-28
PCT/AU1994/000353 WO1995000744A1 (fr) 1993-06-28 1994-06-28 Nouveaux boulons d'ancrage dans la roche

Publications (1)

Publication Number Publication Date
CA2142894A1 true CA2142894A1 (fr) 1995-01-05

Family

ID=3777007

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002142894A Abandoned CA2142894A1 (fr) 1993-06-28 1994-06-28 Boulons d'ancrage ameliores

Country Status (2)

Country Link
CA (1) CA2142894A1 (fr)
WO (1) WO1995000744A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003087538A1 (fr) * 2002-04-12 2003-10-23 Rock Mechanics Technology Limited Boulon d'ancrage
WO2007140159A1 (fr) * 2006-05-30 2007-12-06 Jennmar Corporation Boulon pouvant être tendu muni d'un dispositif de suspension
US20100189515A1 (en) * 2006-08-14 2010-07-29 Brian Woolnough tensoning device
GB2449931B (en) 2007-06-08 2011-11-16 E2V Tech Power supply for radio frequency heating apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2223544B1 (fr) * 1973-04-02 1976-05-07 Arbed
US3979918A (en) * 1973-12-17 1976-09-14 The Titan Manufacturing Company Proprietary Limited Rock bolts
US4122681A (en) * 1977-09-16 1978-10-31 The Eastern Company Mine roof support assembly
US4132080A (en) * 1977-11-07 1979-01-02 Stratabolt Corporation Resin anchored rock or mine roof bolt anchor mechanism
DE2941769C2 (de) * 1979-10-16 1985-10-31 Upat Gmbh & Co, 7830 Emmendingen Verfahren zum Setzen eines Ankerbolzens und Ankerbolzen
US4607984A (en) * 1984-09-25 1986-08-26 Republic Corporation Apparatus and method for mine application

Also Published As

Publication number Publication date
WO1995000744A1 (fr) 1995-01-05

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Legal Events

Date Code Title Description
FZDE Discontinued