EA201290204A1 - Индикатор давления - Google Patents

Индикатор давления

Info

Publication number
EA201290204A1
EA201290204A1 EA201290204A EA201290204A EA201290204A1 EA 201290204 A1 EA201290204 A1 EA 201290204A1 EA 201290204 A EA201290204 A EA 201290204A EA 201290204 A EA201290204 A EA 201290204A EA 201290204 A1 EA201290204 A1 EA 201290204A1
Authority
EA
Eurasian Patent Office
Prior art keywords
pressure indicator
fluid
source
pressure
deformation
Prior art date
Application number
EA201290204A
Other languages
English (en)
Other versions
EA029398B1 (ru
Inventor
Дэвид Тайрер
Original Assignee
Джиддикка (Пти) Лтд.
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 Джиддикка (Пти) Лтд. filed Critical Джиддикка (Пти) Лтд.
Publication of EA201290204A1 publication Critical patent/EA201290204A1/ru
Publication of EA029398B1 publication Critical patent/EA029398B1/ru

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
    • E21—EARTH 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 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 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
    • E21D21/0093—Accessories

Abstract

Изобретение обеспечивает индикаторный механизм для гидравлического клапана гидравлически увеличиваемого устройства, содержащий корпус, который имеет канал, через который обеспечена возможность порождения текучей среды от источника во внутреннюю часть устройства и который выполнен с возможностью деформации, когда давление текучей среды от источника достигает предварительно установленного значения.
EA201290204A 2009-11-23 2010-11-23 Гидравлический клапан для гидравлически расширяемой опоры EA029398B1 (ru)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ZA200908237 2009-11-23
ZA200908830 2009-12-11
PCT/ZA2010/000074 WO2011063433A2 (en) 2009-11-23 2010-11-23 A pressure indicating device

Publications (2)

Publication Number Publication Date
EA201290204A1 true EA201290204A1 (ru) 2012-11-30
EA029398B1 EA029398B1 (ru) 2018-03-30

Family

ID=44060427

Family Applications (2)

Application Number Title Priority Date Filing Date
EA201290204A EA029398B1 (ru) 2009-11-23 2010-11-23 Гидравлический клапан для гидравлически расширяемой опоры
EA201791638A EA201791638A1 (ru) 2009-11-23 2010-11-23 Гидравлический клапан для гидравлически расширяемой опоры

Family Applications After (1)

Application Number Title Priority Date Filing Date
EA201791638A EA201791638A1 (ru) 2009-11-23 2010-11-23 Гидравлический клапан для гидравлически расширяемой опоры

Country Status (6)

Country Link
CL (1) CL2012001323A1 (ru)
CO (1) CO6501133A2 (ru)
EA (2) EA029398B1 (ru)
PE (1) PE20130031A1 (ru)
WO (1) WO2011063433A2 (ru)
ZA (2) ZA201008369B (ru)

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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO159201C (no) * 1980-09-08 1988-12-07 Atlas Copco Ab Fremgangsmaate ved bolting i fjell og kombinert ekspansjonsbolt og installasjonsanordning for samme.
US4700924A (en) * 1986-10-06 1987-10-20 Vetco Gray, Inc. Pressure energized rotary hydraulic seal
AU2003263117A1 (en) * 2002-08-19 2004-03-03 Brendan Robert Crompton 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
WO2011063433A3 (en) 2012-01-12
CL2012001323A1 (es) 2013-11-29
EA029398B1 (ru) 2018-03-30
WO2011063433A2 (en) 2011-05-26
ZA201203695B (en) 2013-01-30
ZA201008369B (en) 2012-02-29
CO6501133A2 (es) 2012-08-15
EA201791638A1 (ru) 2018-03-30
PE20130031A1 (es) 2013-01-28

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Legal Events

Date Code Title Description
MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): AM AZ BY KG MD TJ TM