EP0885703A4 - Procede de destruction par pression hydraulique de refoulement - Google Patents

Procede de destruction par pression hydraulique de refoulement

Info

Publication number
EP0885703A4
EP0885703A4 EP96925129A EP96925129A EP0885703A4 EP 0885703 A4 EP0885703 A4 EP 0885703A4 EP 96925129 A EP96925129 A EP 96925129A EP 96925129 A EP96925129 A EP 96925129A EP 0885703 A4 EP0885703 A4 EP 0885703A4
Authority
EP
European Patent Office
Prior art keywords
hydraulic pressure
discharge hydraulic
destroying method
pressure destroying
discharge
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.)
Withdrawn
Application number
EP96925129A
Other languages
German (de)
English (en)
Other versions
EP0885703A1 (fr
Inventor
Hiroaki Arai
Hidehiko Maehata
Tsuyoshi Kato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Zosen Corp
Original Assignee
Hitachi Zosen Corp
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
Priority claimed from JP07194412A external-priority patent/JP3103020B2/ja
Priority claimed from JP19441195A external-priority patent/JPH0938951A/ja
Priority claimed from JP07194413A external-priority patent/JP3103021B2/ja
Application filed by Hitachi Zosen Corp filed Critical Hitachi Zosen Corp
Publication of EP0885703A1 publication Critical patent/EP0885703A1/fr
Publication of EP0885703A4 publication Critical patent/EP0885703A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28DWORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C37/00Other methods or devices for dislodging with or without loading
    • E21C37/06Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C37/00Other methods or devices for dislodging with or without loading
    • E21C37/18Other methods or devices for dislodging with or without loading by electricity

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
EP96925129A 1995-07-31 1996-07-29 Procede de destruction par pression hydraulique de refoulement Withdrawn EP0885703A4 (fr)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP194412/95 1995-07-31
JP07194412A JP3103020B2 (ja) 1995-07-31 1995-07-31 放電液圧破壊工法
JP19441195A JPH0938951A (ja) 1995-07-31 1995-07-31 放電液圧破壊工法
JP194413/95 1995-07-31
JP194411/95 1995-07-31
JP07194413A JP3103021B2 (ja) 1995-07-31 1995-07-31 放電液圧破壊工法
PCT/JP1996/002140 WO1997004934A1 (fr) 1995-07-31 1996-07-29 Procede de destruction par pression hydraulique de refoulement

Publications (2)

Publication Number Publication Date
EP0885703A1 EP0885703A1 (fr) 1998-12-23
EP0885703A4 true EP0885703A4 (fr) 2000-01-12

Family

ID=27326932

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96925129A Withdrawn EP0885703A4 (fr) 1995-07-31 1996-07-29 Procede de destruction par pression hydraulique de refoulement

Country Status (5)

Country Link
EP (1) EP0885703A4 (fr)
KR (1) KR19990029023A (fr)
CN (1) CN1075430C (fr)
RU (1) RU2139990C1 (fr)
WO (1) WO1997004934A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112177626B (zh) * 2020-08-25 2021-07-23 中国矿业大学 一种电极定向冲击作业巷道掘进方法
CN112556523A (zh) * 2020-11-23 2021-03-26 浙江科技学院 一种双面对称式电爆聚能破岩设计方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86104470A (zh) * 1986-06-27 1988-01-06 Ceee公司 脉冲电能发射分裂物质的方法和设备
JPH07145698A (ja) * 1993-09-28 1995-06-06 Hitachi Zosen Corp 被破壊物の破壊装置および破壊方法
JP3538225B2 (ja) * 1994-07-29 2004-06-14 電気興業株式会社 熱プラズマを用いた塊状半導体材の破砕方法とその装置

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *
See also references of WO9704934A1 *

Also Published As

Publication number Publication date
RU2139990C1 (ru) 1999-10-20
KR19990029023A (ko) 1999-04-15
EP0885703A1 (fr) 1998-12-23
WO1997004934A1 (fr) 1997-02-13
CN1191504A (zh) 1998-08-26
CN1075430C (zh) 2001-11-28

Similar Documents

Publication Publication Date Title
GB2322891B (en) Hydraulic fracturing process
EP0757237A3 (fr) Capteur de pression
GB2301127B (en) Hydraulic pressure assisted casing tensioning system
GB9524642D0 (en) Hydraulic fluids
GB2304856B (en) Hydraulic pressure hose
EP0838555A4 (fr) Rouleau-compacteur hydraulique
GB2303880B (en) Pressure relief panels
EP0693408A3 (fr) Amplificateur hydraulique de force de freinage
GB2308425B (en) Improved pressure reduction valve
GB9500843D0 (en) Pressure relieving supports
EP0885703A4 (fr) Procede de destruction par pression hydraulique de refoulement
GB9501532D0 (en) Fluid ram power system
GB2301168B (en) Hydraulic pressure relief device
EP0775834A3 (fr) Valve hydraulique
GB9510156D0 (en) New hydraulic or pneumatic ram
GB9511732D0 (en) High pressure opposed-diaphragm pump
TW329287U (en) Hydraulic pressure booster
GB9515992D0 (en) Pressure contrast structures
GB9509980D0 (en) Pressure maintenance
GB9523805D0 (en) Pressure transducer
AU1101197A (en) Method for destroying termitaria
GB9417889D0 (en) Pressure primer
GB9523503D0 (en) Hydraulic tandem tri-cycle
GB9511727D0 (en) High pressure valves
GB9500918D0 (en) High pressure valves

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19980302

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): CH DE FR GB LI

A4 Supplementary search report drawn up and despatched

Effective date: 19991125

AK Designated contracting states

Kind code of ref document: A4

Designated state(s): CH DE FR GB LI

17Q First examination report despatched

Effective date: 20020404

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Withdrawal date: 20020628