WO2011063433A3 - A pressure indicating device - Google Patents

A pressure indicating device Download PDF

Info

Publication number
WO2011063433A3
WO2011063433A3 PCT/ZA2010/000074 ZA2010000074W WO2011063433A3 WO 2011063433 A3 WO2011063433 A3 WO 2011063433A3 ZA 2010000074 W ZA2010000074 W ZA 2010000074W WO 2011063433 A3 WO2011063433 A3 WO 2011063433A3
Authority
WO
WIPO (PCT)
Prior art keywords
indicating device
pressure indicating
source
deform
bore
Prior art date
Application number
PCT/ZA2010/000074
Other languages
French (fr)
Other versions
WO2011063433A2 (en
Inventor
David Charles Tyrer
Original Assignee
Rzt Zelpy 5260 (Proprietary) Limited
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 Rzt Zelpy 5260 (Proprietary) Limited filed Critical Rzt Zelpy 5260 (Proprietary) Limited
Priority to EA201290204A priority Critical patent/EA029398B1/en
Publication of WO2011063433A2 publication Critical patent/WO2011063433A2/en
Publication of WO2011063433A3 publication Critical patent/WO2011063433A3/en
Priority to ZA2012/03695A priority patent/ZA201203695B/en

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
    • E21D21/0026—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
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/48—Chocks or the like
    • E21D15/483—Chocks or the like made of flexible containers, e.g. inflatable, with or without reinforcement, e.g. filled with water, backfilling material or the like
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50—Component parts or details of props
    • E21D15/51—Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
    • E21D15/512—Arrangement of valves
    • 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
    • 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
    • E21D21/0093—Accessories

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)
  • Mechanical Engineering (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
  • Earth Drilling (AREA)
  • Actuator (AREA)
  • Valve Housings (AREA)

Abstract

The invention provides an indicator mechanism for a hydraulic valve (14) of a hydraulically inflated device (12) which includes a body (41) which has a bore (44) through which a fluid flows from a source to an interior (34) of the device (12) and which is configured to deform, when a fluid pressure from the source reaches a predetermined level.
PCT/ZA2010/000074 2009-11-23 2010-11-23 A pressure indicating device WO2011063433A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EA201290204A EA029398B1 (en) 2009-11-23 2010-11-23 Hydraulic valve for hydraulically inflated support
ZA2012/03695A ZA201203695B (en) 2009-11-23 2012-05-21 A pressure indicating device

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ZA200908237 2009-11-23
ZA2009/08237 2009-11-23
ZA2009/08830 2009-12-11
ZA200908830 2009-12-11

Publications (2)

Publication Number Publication Date
WO2011063433A2 WO2011063433A2 (en) 2011-05-26
WO2011063433A3 true WO2011063433A3 (en) 2012-01-12

Family

ID=44060427

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ZA2010/000074 WO2011063433A2 (en) 2009-11-23 2010-11-23 A pressure indicating device

Country Status (6)

Country Link
CL (1) CL2012001323A1 (en)
CO (1) CO6501133A2 (en)
EA (2) EA201791638A1 (en)
PE (1) PE20130031A1 (en)
WO (1) WO2011063433A2 (en)
ZA (2) ZA201008369B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2777995C (en) 2011-06-08 2018-10-30 Giddicca (Pty) Ltd An adhesive containing tubular rock anchor
WO2018136982A1 (en) * 2017-01-18 2018-07-26 Ncm Innovations (Pty) Ltd Preload device pressure indicator with dye capsule

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0047727A1 (en) * 1980-09-08 1982-03-17 Atlas Copco Aktiebolag Method of rock bolting and a device comprising an expansible rock bolt and an installation device therefor
US4700924A (en) * 1986-10-06 1987-10-20 Vetco Gray, Inc. Pressure energized rotary hydraulic seal
WO2004016909A1 (en) * 2002-08-19 2004-02-26 John Paul Mckelvey Rock bolt
WO2009066246A2 (en) * 2007-11-21 2009-05-28 Robert Custers Hydraulically inflatable rock anchor with pressure indicator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0047727A1 (en) * 1980-09-08 1982-03-17 Atlas Copco Aktiebolag Method of rock bolting and a device comprising an expansible rock bolt and an installation device therefor
US4700924A (en) * 1986-10-06 1987-10-20 Vetco Gray, Inc. Pressure energized rotary hydraulic seal
WO2004016909A1 (en) * 2002-08-19 2004-02-26 John Paul Mckelvey Rock bolt
WO2009066246A2 (en) * 2007-11-21 2009-05-28 Robert Custers Hydraulically inflatable rock anchor with pressure indicator

Also Published As

Publication number Publication date
CL2012001323A1 (en) 2013-11-29
ZA201203695B (en) 2013-01-30
CO6501133A2 (en) 2012-08-15
WO2011063433A2 (en) 2011-05-26
PE20130031A1 (en) 2013-01-28
ZA201008369B (en) 2012-02-29
EA029398B1 (en) 2018-03-30
EA201290204A1 (en) 2012-11-30
EA201791638A1 (en) 2018-03-30

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