PL85441B1 - - Google Patents

Download PDF

Info

Publication number
PL85441B1
PL85441B1 PL16781273A PL16781273A PL85441B1 PL 85441 B1 PL85441 B1 PL 85441B1 PL 16781273 A PL16781273 A PL 16781273A PL 16781273 A PL16781273 A PL 16781273A PL 85441 B1 PL85441 B1 PL 85441B1
Authority
PL
Poland
Prior art keywords
hydraulic
lines
valves
valve
manifold
Prior art date
Application number
PL16781273A
Other languages
English (en)
Polish (pl)
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
Priority to PL16781273A priority Critical patent/PL85441B1/pl
Publication of PL85441B1 publication Critical patent/PL85441B1/pl

Links

Landscapes

  • Fluid-Pressure Circuits (AREA)
PL16781273A 1973-12-31 1973-12-31 PL85441B1 (cs)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16781273A PL85441B1 (cs) 1973-12-31 1973-12-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL16781273A PL85441B1 (cs) 1973-12-31 1973-12-31

Publications (1)

Publication Number Publication Date
PL85441B1 true PL85441B1 (cs) 1976-04-30

Family

ID=19965532

Family Applications (1)

Application Number Title Priority Date Filing Date
PL16781273A PL85441B1 (cs) 1973-12-31 1973-12-31

Country Status (1)

Country Link
PL (1) PL85441B1 (cs)

Similar Documents

Publication Publication Date Title
US2859022A (en) Hydraulic roof supports and conveyor feed jacks
AU2004202506A1 (en) Hydraulic shield support
PL85441B1 (cs)
US4379662A (en) Control device for an advancing support in underground mining
CN108869438A (zh) 双护盾隧道掘进机及其主推油缸控制液压系统
SU1610040A1 (ru) Устройство дл подпитки гидростойки механизированной крепи
SU909227A2 (ru) Гидропневматический аккумул тор сжатого воздуха
SU846797A1 (ru) Устройство дл распора гидростоекСЕКций КРЕпи
PL148619B1 (en) Hydraulic system for longwalls fitted with individual hydraulic props
PL179144B1 (pl) Hydrauliczny układ sterowania obudowy górniczej
PL83809B1 (cs)
SU956806A1 (ru) Секци механизированной шахтной крепи
GB1099295A (en) Control system for sub-sea apparatus
SU726345A1 (ru) Устройство дл управлени гидравлической крепью
PL67465B1 (cs)
SU1467210A1 (ru) Гидросистема секции механизированной крепи
SU949198A1 (ru) Гидросистема управлени механизированной крепью
SU540992A1 (ru) Гидравлическа система скрепера
SU375386A1 (cs)
SU1726665A1 (ru) Машина дл монтажа трубопровода из раструбных труб
SU846754A1 (ru) Гидросистема шахтной механизированнойКРЕпи
SU699197A1 (ru) Устройство дл зар дки и распора гидравлических стоек
PL146170B1 (en) Apparatus for changing curability and mineablity of a mineral deposit
PL86805B3 (cs)
SU939760A1 (ru) Устройство дл управлени бурильной установкой горной машины