EA029398B1 - Гидравлический клапан для гидравлически расширяемой опоры - Google Patents
Гидравлический клапан для гидравлически расширяемой опоры Download PDFInfo
- Publication number
- EA029398B1 EA029398B1 EA201290204A EA201290204A EA029398B1 EA 029398 B1 EA029398 B1 EA 029398B1 EA 201290204 A EA201290204 A EA 201290204A EA 201290204 A EA201290204 A EA 201290204A EA 029398 B1 EA029398 B1 EA 029398B1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- channel
- indicator element
- expandable support
- indicator
- hydraulically expandable
- Prior art date
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
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 EA201290204A1 (ru) | 2012-11-30 |
EA029398B1 true 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 (es) |
CO (1) | CO6501133A2 (es) |
EA (2) | EA029398B1 (es) |
PE (1) | PE20130031A1 (es) |
WO (1) | WO2011063433A2 (es) |
ZA (2) | ZA201008369B (es) |
Families Citing this family (2)
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)
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 |
-
2010
- 2010-11-23 ZA ZA2010/08369A patent/ZA201008369B/en unknown
- 2010-11-23 EA EA201290204A patent/EA029398B1/ru not_active IP Right Cessation
- 2010-11-23 WO PCT/ZA2010/000074 patent/WO2011063433A2/en active Application Filing
- 2010-11-23 EA EA201791638A patent/EA201791638A1/ru unknown
- 2010-11-23 PE PE2012000704A patent/PE20130031A1/es active IP Right Grant
-
2012
- 2012-05-21 ZA ZA2012/03695A patent/ZA201203695B/en unknown
- 2012-05-23 CL CL2012001323A patent/CL2012001323A1/es unknown
- 2012-06-25 CO CO12106045A patent/CO6501133A2/es active IP Right Grant
Patent Citations (4)
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 |
---|---|
WO2011063433A3 (en) | 2012-01-12 |
CL2012001323A1 (es) | 2013-11-29 |
EA201290204A1 (ru) | 2012-11-30 |
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 |