EP2877697A4 - Hyper-pressure pulse excavator - Google Patents
Hyper-pressure pulse excavatorInfo
- Publication number
- EP2877697A4 EP2877697A4 EP13823572.6A EP13823572A EP2877697A4 EP 2877697 A4 EP2877697 A4 EP 2877697A4 EP 13823572 A EP13823572 A EP 13823572A EP 2877697 A4 EP2877697 A4 EP 2877697A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- hyper
- pressure pulse
- excavator
- pulse excavator
- pressure
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C37/00—Other methods or devices for dislodging with or without loading
- E21C37/06—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole
- E21C37/12—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole by injecting into the borehole a liquid, either initially at high pressure or subsequently subjected to high pressure, e.g. by pulses, by explosive cartridges acting on the liquid
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261676774P | 2012-07-27 | 2012-07-27 | |
PCT/US2013/052567 WO2014018977A1 (en) | 2012-07-27 | 2013-07-29 | Hyper-pressure pulse excavator |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2877697A1 EP2877697A1 (en) | 2015-06-03 |
EP2877697A4 true EP2877697A4 (en) | 2016-03-02 |
EP2877697B1 EP2877697B1 (en) | 2018-05-16 |
Family
ID=49997896
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13823572.6A Not-in-force EP2877697B1 (en) | 2012-07-27 | 2013-07-29 | Hyper-pressure pulse excavator |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2877697B1 (en) |
AU (1) | AU2013295512B2 (en) |
CA (1) | CA2880114C (en) |
NO (1) | NO2968313T3 (en) |
WO (1) | WO2014018977A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017119610A1 (en) | 2017-08-26 | 2019-03-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method and device for generating a sequence of beam sections of a discontinuous, modified liquid jet |
CN109488299B (en) * | 2018-12-29 | 2024-02-20 | 山东东山新驿煤矿有限公司 | Hydraulic fracturing softening device and method for hard rock of fully-mechanized rock-digging roadway |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3520477A (en) * | 1968-02-23 | 1970-07-14 | Exotech | Pneumatically powered water cannon |
US4074858A (en) * | 1976-11-01 | 1978-02-21 | Institute Of Gas Technology | High pressure pulsed water jet apparatus and process |
US4231283A (en) * | 1978-11-01 | 1980-11-04 | Messerschmitt-Bolkow-Blohm Gesellschaft Mit Beschrankter Haftung | Pulsating liquid jet gun and method of operating the same |
GB2060738A (en) * | 1979-10-19 | 1981-05-07 | Dravo Corp | Rock drill |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3572839A (en) * | 1968-08-28 | 1971-03-30 | Toa Kowan Kogyo Kk | Process for excavation of hard underwater beds |
US4863101A (en) * | 1982-12-06 | 1989-09-05 | Acb Technology Corporation | Accelerating slugs of liquid |
US5000516A (en) | 1989-09-29 | 1991-03-19 | The United States Of America As Represented By The Secretary Of The Air Force | Apparatus for rapidly generating pressure pulses for demolition of rock having reduced pressure head loss and component wear |
GB9517378D0 (en) * | 1995-08-24 | 1995-10-25 | Sofitech Nv | Hydraulic jetting system |
US6301766B1 (en) * | 1998-01-12 | 2001-10-16 | Tempress Technologies, Inc. | Method for metal working using high pressure fluid pulses |
-
2013
- 2013-07-29 AU AU2013295512A patent/AU2013295512B2/en not_active Ceased
- 2013-07-29 EP EP13823572.6A patent/EP2877697B1/en not_active Not-in-force
- 2013-07-29 WO PCT/US2013/052567 patent/WO2014018977A1/en active Application Filing
- 2013-07-29 CA CA2880114A patent/CA2880114C/en not_active Expired - Fee Related
-
2014
- 2014-03-17 NO NO14712717A patent/NO2968313T3/no unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3520477A (en) * | 1968-02-23 | 1970-07-14 | Exotech | Pneumatically powered water cannon |
US4074858A (en) * | 1976-11-01 | 1978-02-21 | Institute Of Gas Technology | High pressure pulsed water jet apparatus and process |
US4231283A (en) * | 1978-11-01 | 1980-11-04 | Messerschmitt-Bolkow-Blohm Gesellschaft Mit Beschrankter Haftung | Pulsating liquid jet gun and method of operating the same |
GB2060738A (en) * | 1979-10-19 | 1981-05-07 | Dravo Corp | Rock drill |
Non-Patent Citations (1)
Title |
---|
See also references of WO2014018977A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2014018977A1 (en) | 2014-01-30 |
CA2880114C (en) | 2016-05-17 |
AU2013295512A1 (en) | 2015-02-19 |
EP2877697B1 (en) | 2018-05-16 |
CA2880114A1 (en) | 2014-01-30 |
NO2968313T3 (en) | 2018-06-30 |
EP2877697A1 (en) | 2015-06-03 |
AU2013295512B2 (en) | 2016-03-10 |
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