GB8623686D0 - Strata bolts - Google Patents

Strata bolts

Info

Publication number
GB8623686D0
GB8623686D0 GB868623686A GB8623686A GB8623686D0 GB 8623686 D0 GB8623686 D0 GB 8623686D0 GB 868623686 A GB868623686 A GB 868623686A GB 8623686 A GB8623686 A GB 8623686A GB 8623686 D0 GB8623686 D0 GB 8623686D0
Authority
GB
United Kingdom
Prior art keywords
strata
bolts
strata bolts
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.)
Pending
Application number
GB868623686A
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.)
Hilton A R
Original Assignee
Hilton A R
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 Hilton A R filed Critical Hilton A R
Priority to GB868623686A priority Critical patent/GB8623686D0/en
Publication of GB8623686D0 publication Critical patent/GB8623686D0/en
Priority to PCT/GB1987/000686 priority patent/WO1988002437A1/en
Priority to AU80329/87A priority patent/AU8032987A/en
Priority to ZA877422A priority patent/ZA877422B/en
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D21/0086—Bearing plates
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D21/004—Bolts held in the borehole by friction all along their length, without additional fixing means
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D21/02—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection having means for indicating tension
GB868623686A 1986-10-02 1986-10-02 Strata bolts Pending GB8623686D0 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB868623686A GB8623686D0 (en) 1986-10-02 1986-10-02 Strata bolts
PCT/GB1987/000686 WO1988002437A1 (en) 1986-10-02 1987-09-30 Earth strata bolts or anchorages
AU80329/87A AU8032987A (en) 1986-10-02 1987-09-30 Earth strata bolts or anchorages
ZA877422A ZA877422B (en) 1986-10-02 1987-10-02 Earth strata bolts or anchorages

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868623686A GB8623686D0 (en) 1986-10-02 1986-10-02 Strata bolts

Publications (1)

Publication Number Publication Date
GB8623686D0 true GB8623686D0 (en) 1986-11-05

Family

ID=10605157

Family Applications (1)

Application Number Title Priority Date Filing Date
GB868623686A Pending GB8623686D0 (en) 1986-10-02 1986-10-02 Strata bolts

Country Status (4)

Country Link
AU (1) AU8032987A (en)
GB (1) GB8623686D0 (en)
WO (1) WO1988002437A1 (en)
ZA (1) ZA877422B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1331705C (en) * 1988-07-26 1994-08-30 Richard Roy Wood Rock anchor
AU3389299A (en) * 1998-03-30 1999-10-18 Craig John Smith A friction rock stabilizer
PL3384131T3 (en) * 2015-11-30 2021-05-31 Sandvik Intellectual Property Ab Friction bolt

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1110591B (en) * 1960-04-30 1961-07-13 Hans Ziller Robust rock bolt
DE2556019A1 (en) * 1975-12-12 1977-06-23 Tornado Gmbh DOWEL ANCHORS
US4098087A (en) * 1976-12-02 1978-07-04 Battelle Development Corporation Anchoring bolt and method
US4183699A (en) * 1978-05-18 1980-01-15 Donan David C Jr Washer/gasket for mine roof bolt assembly
US4312604A (en) * 1980-07-17 1982-01-26 Ingersoll-Rand Co. Friction rock stabilizer set, and a method of fixing a friction rock stabilizer in an earth structure bore
GB2153475A (en) * 1984-01-23 1985-08-21 Edward Victor Byers Anchoring of rock bolts

Also Published As

Publication number Publication date
AU8032987A (en) 1988-04-21
WO1988002437A1 (en) 1988-04-07
ZA877422B (en) 1988-06-29

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