ZA201203695B - A pressure indicating device - Google Patents

A pressure indicating device

Info

Publication number
ZA201203695B
ZA201203695B ZA2012/03695A ZA201203695A ZA201203695B ZA 201203695 B ZA201203695 B ZA 201203695B ZA 2012/03695 A ZA2012/03695 A ZA 2012/03695A ZA 201203695 A ZA201203695 A ZA 201203695A ZA 201203695 B ZA201203695 B ZA 201203695B
Authority
ZA
South Africa
Prior art keywords
indicating device
pressure indicating
pressure
indicating
Prior art date
Application number
ZA2012/03695A
Inventor
David Charles Tyrer
Original Assignee
Giddicca (Pty) Ltd
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 Giddicca (Pty) Ltd filed Critical Giddicca (Pty) Ltd
Publication of ZA201203695B publication Critical 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)
ZA2012/03695A 2009-11-23 2012-05-21 A pressure indicating device ZA201203695B (en)

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 (1)

Publication Number Publication Date
ZA201203695B true ZA201203695B (en) 2013-01-30

Family

ID=44060427

Family Applications (2)

Application Number Title Priority Date Filing Date
ZA2010/08369A ZA201008369B (en) 2009-11-23 2010-11-23 A pressure indicating device
ZA2012/03695A ZA201203695B (en) 2009-11-23 2012-05-21 A pressure indicating device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ZA2010/08369A ZA201008369B (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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO159201C (en) * 1980-09-08 1988-12-07 Atlas Copco Ab PROCEDURE FOR BOLTING IN MOUNTAIN AND COMBINED EXPANSION BOLT AND INSTALLATION DEVICE FOR SAME.
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
US8100607B2 (en) * 2007-11-21 2012-01-24 Robert Custers Rock anchor

Also Published As

Publication number Publication date
CL2012001323A1 (en) 2013-11-29
CO6501133A2 (en) 2012-08-15
WO2011063433A2 (en) 2011-05-26
PE20130031A1 (en) 2013-01-28
ZA201008369B (en) 2012-02-29
WO2011063433A3 (en) 2012-01-12
EA029398B1 (en) 2018-03-30
EA201290204A1 (en) 2012-11-30
EA201791638A1 (en) 2018-03-30

Similar Documents

Publication Publication Date Title
ZA201104604B (en) Negative pressure device
PL2512574T3 (en) A urological device
GB0918665D0 (en) A fluid separation device
PL2414719T3 (en) A coupling device
EP2397831A4 (en) Pressure meter
GB2502712B (en) A runflat device
GB2468755B (en) A sensor
EP2461881A4 (en) A compact motion-simulating device
IL200650A0 (en) A drop indicator
GB0900358D0 (en) Pressure sensing device
GB2477599B (en) Pressure enhancing device
EP2431723A4 (en) Pressure meter
EP2401534A4 (en) A mechanical sealing device
ZA201203695B (en) A pressure indicating device
GB2476929B (en) A safety device
GB2473826B (en) A respiratory device
GB0909332D0 (en) A water treatmetn device
GB0909911D0 (en) A drainage device
GB0915056D0 (en) Pressure sensor
HK1128581A2 (en) A shoe-last design device
GB2480979B (en) A turning device
GB0908125D0 (en) A fish-bite indicator
GB0905397D0 (en) A device housing
GB0901064D0 (en) A safety device
GB0907271D0 (en) Fluid pressure sensing device