EP2929145A4 - Expandable bolt with thrust element - Google Patents

Expandable bolt with thrust element

Info

Publication number
EP2929145A4
EP2929145A4 EP12889402.9A EP12889402A EP2929145A4 EP 2929145 A4 EP2929145 A4 EP 2929145A4 EP 12889402 A EP12889402 A EP 12889402A EP 2929145 A4 EP2929145 A4 EP 2929145A4
Authority
EP
European Patent Office
Prior art keywords
thrust element
expandable bolt
expandable
bolt
thrust
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.)
Withdrawn
Application number
EP12889402.9A
Other languages
German (de)
French (fr)
Other versions
EP2929145A1 (en
Inventor
David A Martin
Jeremy Ross Arnot
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.)
FCI Holdings Delaware Inc
Original Assignee
FCI Holdings Delaware Inc
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 FCI Holdings Delaware Inc filed Critical FCI Holdings Delaware Inc
Publication of EP2929145A1 publication Critical patent/EP2929145A1/en
Publication of EP2929145A4 publication Critical patent/EP2929145A4/en
Withdrawn legal-status Critical Current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
    • E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
    • E21D21/0033—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts having a jacket or outer tube
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/74—Means for anchoring structural elements or bulkheads
    • E02D5/80—Ground anchors
    • E02D5/805—Ground anchors with deformable anchoring members
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D20/00—Setting anchoring-bolts
    • 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
    • E21D21/0073—Anchoring-bolts having an inflatable sleeve, e.g. hollow sleeve expanded by a fluid
    • 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
    • E21D21/008—Anchoring or tensioning 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
    • E21D21/0093—Accessories
EP12889402.9A 2012-12-04 2012-12-04 Expandable bolt with thrust element Withdrawn EP2929145A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2012/067719 WO2014088552A1 (en) 2012-12-04 2012-12-04 Expandable bolt with thrust element

Publications (2)

Publication Number Publication Date
EP2929145A1 EP2929145A1 (en) 2015-10-14
EP2929145A4 true EP2929145A4 (en) 2016-08-03

Family

ID=47560416

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12889402.9A Withdrawn EP2929145A4 (en) 2012-12-04 2012-12-04 Expandable bolt with thrust element

Country Status (6)

Country Link
US (1) US20150322786A1 (en)
EP (1) EP2929145A4 (en)
AU (1) AU2012268921A1 (en)
CA (1) CA2892596A1 (en)
WO (1) WO2014088552A1 (en)
ZA (1) ZA201503665B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6387310B2 (en) * 2015-02-04 2018-09-05 株式会社ケー・エフ・シー Rock bolt material tube
WO2019033133A1 (en) * 2017-08-09 2019-02-14 Theodore Daniel Swemmer Self drilling expansion friction bolt

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4055051A (en) * 1976-01-08 1977-10-25 The United States Of America As Represented By The Secretary Of The Interior Unitary drill bit and roof bolt
US4509889A (en) * 1979-03-09 1985-04-09 Atlas Copco Aktiebolag Method of rock bolting and tube-formed expansion bolt
US4511289A (en) * 1981-10-19 1985-04-16 Atlas Copco Aktiebolag Method of rock bolting and rock bolt
WO2011087948A1 (en) * 2010-01-14 2011-07-21 Anthony John Spencer Spearing Self-drilling expandable bolt
US20110299939A1 (en) * 2010-06-04 2011-12-08 Fci Holdings Delaware, Inc. Expandable Bolt With Shielded Tip

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4293244A (en) * 1979-07-30 1981-10-06 Waimea Company Inc. Pick arm anchor assembly
US4789284A (en) * 1987-11-05 1988-12-06 White Scott A Self-cutting expansion anchor
US5161916A (en) * 1991-06-03 1992-11-10 White Claude C Self-seating expansion anchor
JP2001090067A (en) * 1999-09-22 2001-04-03 Kamishimagumi:Kk Rock bolt and rock-bolt execution method
US7896580B2 (en) * 2005-11-09 2011-03-01 Sandvik Intellectual Property Ab Self drilling rock bolt
US8517649B2 (en) * 2006-10-05 2013-08-27 Monogram Aerospace Fasteners, Inc. Dual-action disposable clamp
JP6297399B2 (en) * 2014-04-30 2018-03-20 株式会社ミヤコシ Printing cylinder of printing machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4055051A (en) * 1976-01-08 1977-10-25 The United States Of America As Represented By The Secretary Of The Interior Unitary drill bit and roof bolt
US4509889A (en) * 1979-03-09 1985-04-09 Atlas Copco Aktiebolag Method of rock bolting and tube-formed expansion bolt
US4511289A (en) * 1981-10-19 1985-04-16 Atlas Copco Aktiebolag Method of rock bolting and rock bolt
WO2011087948A1 (en) * 2010-01-14 2011-07-21 Anthony John Spencer Spearing Self-drilling expandable bolt
US20110299939A1 (en) * 2010-06-04 2011-12-08 Fci Holdings Delaware, Inc. Expandable Bolt With Shielded Tip

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014088552A1 *

Also Published As

Publication number Publication date
EP2929145A1 (en) 2015-10-14
US20150322786A1 (en) 2015-11-12
AU2012268921A1 (en) 2013-01-17
CA2892596A1 (en) 2014-06-12
WO2014088552A1 (en) 2014-06-12
ZA201503665B (en) 2016-01-27

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

Effective date: 20150526

AK Designated contracting states

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Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAX Request for extension of the european patent (deleted)
RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20160705

RIC1 Information provided on ipc code assigned before grant

Ipc: E21D 21/00 20060101AFI20160630BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20170202