JPS559589B1 - - Google Patents
Info
- Publication number
- JPS559589B1 JPS559589B1 JP8009771A JP8009771A JPS559589B1 JP S559589 B1 JPS559589 B1 JP S559589B1 JP 8009771 A JP8009771 A JP 8009771A JP 8009771 A JP8009771 A JP 8009771A JP S559589 B1 JPS559589 B1 JP S559589B1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
- E21D23/26—Hydraulic or pneumatic control
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)
- Mechanically-Actuated Valves (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702049869 DE2049869C3 (de) | 1970-10-10 | 1970-10-10 | Steuergerät, insbesondere für hydraulische Grubenausbaugespanne |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS559589B1 true JPS559589B1 (de) | 1980-03-11 |
Family
ID=5784768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8009771A Pending JPS559589B1 (de) | 1970-10-10 | 1971-10-11 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS559589B1 (de) |
CS (1) | CS212728B2 (de) |
DE (1) | DE2049869C3 (de) |
FR (1) | FR2123240B2 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2640185C3 (de) * | 1976-09-07 | 1986-07-10 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal | Mehrfachsteuergerät für hydraulischen Schreitausbau |
DE2851937C2 (de) * | 1978-12-01 | 1986-05-28 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Steuerventil, insbesondere für einen hydraulischen Schreitausbau in Bergbaubetrieben |
DE19844860A1 (de) | 1998-09-30 | 2000-04-06 | Mannesmann Rexroth Ag | Handbetätigtes Steuergerät, insbesondere zur hydraulischen Betätigung von hydraulischen Ventilen |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4423106Y1 (de) * | 1964-02-02 | 1969-09-30 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2499318A (en) * | 1943-09-17 | 1950-02-28 | Jan Jongerius N V | Liquid cock or valve |
GB727804A (en) * | 1952-03-15 | 1955-04-06 | Electraulic Presses Ltd | Improvements in and relating to hydraulic systems and control valves therefor |
US2844167A (en) * | 1954-09-17 | 1958-07-22 | Donald G Griswold | Pilot valve construction |
DE1217907B (de) * | 1958-12-20 | 1966-06-02 | Bosch Gmbh Robert | Anwendung einer Schalteinrichtung mit mehreren Armaturen |
FR1302642A (fr) * | 1961-07-21 | 1962-08-31 | Entpr D Equipements Mecaniques | Dispositif de commande hydraulique applicable notamment aux écluses |
GB1022816A (en) * | 1964-01-01 | 1966-03-16 | Taylair Control Ltd | Improvements relating to fluid control valve assemblies |
FR1548341A (de) * | 1966-07-05 | 1968-12-06 | ||
DE1550310C3 (de) * | 1966-09-17 | 1974-01-31 | Gewerkschaft Eisenhuette Westfalia, 4628 Altluenen | Steuerventil, insbesondere für Grubenausbaugespanne |
DE1483931C3 (de) * | 1966-11-09 | 1974-03-14 | Kloeckner-Werke Ag, 4100 Duisburg | Schaltgerät zur Steuerung des hydraulischen Strebausbaus und/oder der Rückeinrichtung eines Strebförderers |
GB1261129A (en) * | 1969-10-30 | 1972-01-19 | Gullick Dobson Ltd | Improvements in or relating to fluid-flow control means |
-
1970
- 1970-10-10 DE DE19702049869 patent/DE2049869C3/de not_active Expired
-
1971
- 1971-06-10 FR FR7121030A patent/FR2123240B2/fr not_active Expired
- 1971-08-04 CS CS567371A patent/CS212728B2/cs unknown
- 1971-10-11 JP JP8009771A patent/JPS559589B1/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4423106Y1 (de) * | 1964-02-02 | 1969-09-30 |
Also Published As
Publication number | Publication date |
---|---|
FR2123240A2 (de) | 1972-09-08 |
DE2049869A1 (de) | 1972-04-13 |
DE2049869B2 (de) | 1978-06-01 |
CS212728B2 (cs) | 1982-03-26 |
DE2049869C3 (de) | 1984-11-08 |
FR2123240B2 (de) | 1976-05-28 |