DE3790893T1 - - Google Patents

Info

Publication number
DE3790893T1
DE3790893T1 DE19873790893 DE3790893T DE3790893T1 DE 3790893 T1 DE3790893 T1 DE 3790893T1 DE 19873790893 DE19873790893 DE 19873790893 DE 3790893 T DE3790893 T DE 3790893T DE 3790893 T1 DE3790893 T1 DE 3790893T1
Authority
DE
Germany
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Withdrawn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
DE19873790893
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 filed Critical
Publication of DE3790893T1 publication Critical patent/DE3790893T1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK 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
    • E21C37/10—Devices with expanding elastic casings

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)
  • Earth Drilling (AREA)
  • Joints Allowing Movement (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
DE19873790893 1987-01-23 1987-01-23 Withdrawn DE3790893T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SU1987/000008 WO1988005493A1 (fr) 1987-01-23 1987-01-23 Dispositif pour la creation d'une force dirigee

Publications (1)

Publication Number Publication Date
DE3790893T1 true DE3790893T1 (de) 1989-01-19

Family

ID=21617075

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873790893 Withdrawn DE3790893T1 (de) 1987-01-23 1987-01-23

Country Status (7)

Country Link
US (1) US4871212A (de)
JP (1) JPH01502126A (de)
DE (1) DE3790893T1 (de)
FI (1) FI884364A0 (de)
GB (1) GB2208400B (de)
SE (1) SE460302B (de)
WO (1) WO1988005493A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1767174A1 (ru) * 1988-05-06 1992-10-07 Горно-Алтайский государственный педагогический институт Силовой элемент
EP0392030A4 (en) * 1988-08-19 1991-04-17 Spetsializirovanny Trest Po Romontu Promyshlennykh Zdany I Soorzheny Predpriyaty Chernoi Metallurgii Tsentralnogo Raiona Device for splitting monolithic objects
WO1991013238A1 (fr) * 1990-02-20 1991-09-05 Spetsializirovanny Trest Po Remontu Promyshlennykh Zdany I Sooruzheny Predpriyaty Chernoi Metallurgii Tsentralnogo Raiona 'tsentrmetallurgremont' Element de force
KR970000961Y1 (ko) * 1994-09-07 1997-02-14 주식회사 호상테크노베이션 유압식 암반 절개기
US20120091783A1 (en) * 2009-06-17 2012-04-19 Emstone Ab Expansion device for breaking solid material, use of the device and method for producing it
RU2767762C1 (ru) * 2021-09-27 2022-03-21 Николай Александрович Кузнецов Силовой элемент

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3401946A (en) * 1967-08-07 1968-09-17 Lynes Inc Inflatable device
SU1040147A1 (ru) * 1981-07-03 1983-09-07 Всесоюзный Ордена Ленина Проектно-Изыскательский И Научно-Исследовательский Институт "Гидропроект" Им.С.Я.Жука Устройство дл определени деформационных свойств и естественных напр жений массива горных пород
SU1033819A1 (ru) * 1982-05-06 1983-08-07 Всесоюзный научно-исследовательский институт нерудных строительных материалов и гидромеханизации Устройство дл разрушени монолитных объектов
SU1218105A1 (ru) * 1984-08-31 1986-03-15 Всесоюзный Научно-Исследовательский Институт Нерудных Строительный Материалов И Гидромеханизации Устройство дл направленного разрушени монолитных объектов
SE457209B (sv) * 1985-10-16 1988-12-05 Gorno Altaisky G Ped I Tryckelement foer soenderbrytning av berg
US4657306A (en) * 1985-10-18 1987-04-14 Robert Koopmans Hydraulic rock breaking tool

Also Published As

Publication number Publication date
SE8803380D0 (sv) 1988-09-23
JPH01502126A (ja) 1989-07-27
SE8803380L (sv) 1988-09-23
GB2208400B (en) 1990-11-07
US4871212A (en) 1989-10-03
GB8822201D0 (en) 1988-11-23
FI884364A (fi) 1988-09-22
WO1988005493A1 (fr) 1988-07-28
SE460302B (sv) 1989-09-25
GB2208400A (en) 1989-03-30
FI884364A0 (fi) 1988-09-22

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8130 Withdrawal