FR2529946B1 - Ensembles de soupapes - Google Patents
Ensembles de soupapesInfo
- Publication number
- FR2529946B1 FR2529946B1 FR8310446A FR8310446A FR2529946B1 FR 2529946 B1 FR2529946 B1 FR 2529946B1 FR 8310446 A FR8310446 A FR 8310446A FR 8310446 A FR8310446 A FR 8310446A FR 2529946 B1 FR2529946 B1 FR 2529946B1
- Authority
- FR
- France
- Prior art keywords
- valve assemblies
- assemblies
- valve
- 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.)
- Expired
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
-
- 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
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 |
---|---|---|---|
GB08219534A GB2123117B (en) | 1982-07-06 | 1982-07-06 | Valve assemblies |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2529946A1 FR2529946A1 (fr) | 1984-01-13 |
FR2529946B1 true FR2529946B1 (fr) | 1988-05-20 |
Family
ID=10531501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8310446A Expired FR2529946B1 (fr) | 1982-07-06 | 1983-06-24 | Ensembles de soupapes |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE3324237A1 (fr) |
FR (1) | FR2529946B1 (fr) |
GB (1) | GB2123117B (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103032090A (zh) * | 2012-12-12 | 2013-04-10 | 乐清市东风煤矿设备有限公司 | 液控换向阀 |
PL3277926T3 (pl) * | 2015-04-01 | 2021-01-25 | Sandvik Intellectual Property Ab | Jednostka sterująca do maszyny górniczej |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB851023A (en) * | 1957-09-04 | 1960-10-12 | Lansing Bagnall Ltd | Improvements in or relating to valve systems for pressure fluid circuits |
DE1400568A1 (de) * | 1960-03-24 | 1969-02-06 | Aurora Corp | Ventilvorrichtung |
GB1169361A (en) * | 1965-09-14 | 1969-11-05 | Dobson Ltd W E & F | Improvements in Fluid Valve Means for Mine Roof Supports |
DE7013582U (de) * | 1970-04-14 | 1970-09-10 | Hemscheidt Maschf Hermann | Schreitende ausbaueinheit mit steuervorrichtung. |
DE2517327A1 (de) * | 1975-04-18 | 1976-10-28 | Wabco Westinghouse Gmbh | Handbetaetigtes vorsteuerventil fuer eine hydraulische steuereinrichtung |
GB1529994A (en) * | 1975-11-25 | 1978-10-25 | Hemscheidt Maschf Hermann | Hydraulic controller for example for use with hydraulic mine-roof supports |
DE2622285C3 (de) * | 1976-05-19 | 1978-11-09 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal | Druckknopf-Steuergerät für hydraulischen Schreitausbau |
DE2640185C3 (de) * | 1976-09-07 | 1986-07-10 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal | Mehrfachsteuergerät für hydraulischen Schreitausbau |
DE2700829C2 (de) * | 1977-01-11 | 1986-04-17 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Hydraulische Ausbausteuerung |
GB1598322A (en) * | 1977-06-30 | 1981-09-16 | Hotpoint Ltd | Drive mechanisms |
DE2745631B1 (de) * | 1977-10-11 | 1979-02-08 | Hemscheidt Maschf Hermann | Mehrfachsteuergeraet fuer hydraulischen Schreitausbau |
DE2838374B1 (de) * | 1978-09-02 | 1980-01-10 | Hemscheidt Maschf Hermann | Nachbarsteuerung fuer hydraulische Schreitausbaugestelle |
DE3012291A1 (de) * | 1980-03-29 | 1981-10-15 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Ansteuerventilvorrichtung, insbesondere fuer untertaegige ausbausteuerung |
US4342335A (en) * | 1980-10-23 | 1982-08-03 | Koehring Company | Hydraulic valve detent mechanism |
-
1982
- 1982-07-06 GB GB08219534A patent/GB2123117B/en not_active Expired
-
1983
- 1983-06-24 FR FR8310446A patent/FR2529946B1/fr not_active Expired
- 1983-07-06 DE DE19833324237 patent/DE3324237A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE3324237A1 (de) | 1984-02-02 |
GB2123117A (en) | 1984-01-25 |
GB2123117B (en) | 1986-01-29 |
FR2529946A1 (fr) | 1984-01-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |