EP3966429A4 - Aufblasbarer gebirgsanker - Google Patents

Aufblasbarer gebirgsanker Download PDF

Info

Publication number
EP3966429A4
EP3966429A4 EP20801528.9A EP20801528A EP3966429A4 EP 3966429 A4 EP3966429 A4 EP 3966429A4 EP 20801528 A EP20801528 A EP 20801528A EP 3966429 A4 EP3966429 A4 EP 3966429A4
Authority
EP
European Patent Office
Prior art keywords
anchor bolt
inflatable anchor
inflatable
bolt
anchor
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.)
Granted
Application number
EP20801528.9A
Other languages
English (en)
French (fr)
Other versions
EP3966429C0 (de
EP3966429A1 (de
EP3966429B1 (de
Inventor
Barry Graeme Holfeld
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 EP3966429A1 publication Critical patent/EP3966429A1/de
Publication of EP3966429A4 publication Critical patent/EP3966429A4/de
Application granted granted Critical
Publication of EP3966429C0 publication Critical patent/EP3966429C0/de
Publication of EP3966429B1 publication Critical patent/EP3966429B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • E21D21/004—Bolts held in the borehole by friction all along their length, without additional fixing means
    • 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
    • E21D21/0073—Anchoring-bolts having an inflatable sleeve, e.g. hollow sleeve expanded by a fluid

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)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Pipe Accessories (AREA)
  • Piles And Underground Anchors (AREA)
  • Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
EP20801528.9A 2019-05-06 2020-05-06 Aufblasbarer gebirgsanker Active EP3966429B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA201902816 2019-05-06
PCT/IB2020/054269 WO2020225735A1 (en) 2019-05-06 2020-05-06 An inflatable rock bolt

Publications (4)

Publication Number Publication Date
EP3966429A1 EP3966429A1 (de) 2022-03-16
EP3966429A4 true EP3966429A4 (de) 2023-01-11
EP3966429C0 EP3966429C0 (de) 2024-07-03
EP3966429B1 EP3966429B1 (de) 2024-07-03

Family

ID=73051082

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20801528.9A Active EP3966429B1 (de) 2019-05-06 2020-05-06 Aufblasbarer gebirgsanker

Country Status (7)

Country Link
EP (1) EP3966429B1 (de)
CN (1) CN114174634B (de)
AU (1) AU2020268963A1 (de)
CA (1) CA3166654A1 (de)
ES (1) ES2987820T3 (de)
WO (1) WO2020225735A1 (de)
ZA (1) ZA202109985B (de)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990004085A1 (en) * 1988-10-10 1990-04-19 Witzand Hendrik Hermanus Gerha Rock stabilizer
DE19534365A1 (de) * 1995-09-15 1997-03-20 Fischer Artur Werke Gmbh Spreizdübel
JP4680491B2 (ja) * 2003-11-17 2011-05-11 日新製鋼株式会社 鋼管膨張型ロックボルト
US9062547B2 (en) * 2010-06-04 2015-06-23 Fci Holdings Delaware, Inc. Expandable bolt with shielded tip
SE535912C2 (sv) * 2011-06-30 2013-02-12 Leif Eriksson Expanderbar bergbult och ett förfarande för tillverkning av en bergbult
JP6053116B2 (ja) * 2012-09-11 2016-12-27 株式会社ケー・エフ・シー 膨張用異型鋼管及びその製造方法
US9832088B2 (en) 2014-09-30 2017-11-28 Microsoft Technology Licensing, Llc Monitoring of shared server set power supply units
CN104332217B (zh) 2014-10-08 2018-04-10 广州方邦电子股份有限公司 自由接地膜及其制作方法、包含自由接地膜的屏蔽线路板及接地方法
WO2017025933A1 (en) * 2015-08-12 2017-02-16 Barry Graeme Holfeld An inflatable rock bolt

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *

Also Published As

Publication number Publication date
CN114174634B (zh) 2025-06-17
CN114174634A (zh) 2022-03-11
EP3966429C0 (de) 2024-07-03
CA3166654A1 (en) 2021-11-12
WO2020225735A1 (en) 2020-11-12
AU2020268963A1 (en) 2022-01-06
EP3966429A1 (de) 2022-03-16
ZA202109985B (en) 2022-09-28
EP3966429B1 (de) 2024-07-03
ES2987820T3 (es) 2024-11-18

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