IN144750B - - Google Patents
Info
- Publication number
- IN144750B IN144750B IN1516/CAL/76A IN1516CA1976A IN144750B IN 144750 B IN144750 B IN 144750B IN 1516CA1976 A IN1516CA1976 A IN 1516CA1976A IN 144750 B IN144750 B IN 144750B
- Authority
- IN
- India
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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/51—Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
- E21D15/512—Arrangement of valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/08—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with special arrangements for providing a large discharge passage
- F16K17/082—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with special arrangements for providing a large discharge passage with piston
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7738—Pop valves
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7781—With separate connected fluid reactor surface
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Safety Valves (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT694775A AT339237B (de) | 1975-09-09 | 1975-09-09 | Hydraulischer grubenstempel |
| AT100776A AT342538B (de) | 1976-02-12 | 1976-02-12 | Gebirgsschlagventil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN144750B true IN144750B (US06811534-20041102-M00003.png) | 1978-07-01 |
Family
ID=25594583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN1516/CAL/76A IN144750B (US06811534-20041102-M00003.png) | 1975-09-09 | 1976-08-20 |
Country Status (7)
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4237769A (en) * | 1978-04-03 | 1980-12-09 | Commercial Shearing, Inc. | Relief valves and mine props incorporating the same |
| JPS5751070A (en) * | 1980-09-12 | 1982-03-25 | Kayaba Ind Co Ltd | Relief valve |
| CS228216B1 (en) * | 1981-05-29 | 1984-05-14 | Bena Zdenek | Device for the pressure space production against a dynamic pressure overload |
| DE3303877C2 (de) * | 1983-02-05 | 1984-11-29 | Jörn 4320 Hattingen Dams | Einzelstempelventil |
| DE3333164A1 (de) * | 1983-09-14 | 1985-03-28 | Mannesmann Rexroth GmbH, 8770 Lohr | Vorrichtung zum steuern des druckes in einem druckmittel |
| DE3523548A1 (de) * | 1985-07-02 | 1987-01-15 | Gewerk Eisenhuette Westfalia | Druckbegrenzungsventil |
| US4719937A (en) * | 1985-11-29 | 1988-01-19 | Hydril Company | Marine riser anti-collapse valve |
| JPS6327769U (US06811534-20041102-M00003.png) * | 1986-08-06 | 1988-02-23 | ||
| DE3806833A1 (de) * | 1988-03-03 | 1989-09-14 | Hilti Ag | Pulverkraftbetriebenes bolzensetzgeraet |
| US5180443A (en) * | 1989-05-19 | 1993-01-19 | Richard Voss Grubenausbau Gmbh | Pressure-relief valve with stepped or double piston |
| WO1991000416A1 (en) * | 1989-06-27 | 1991-01-10 | Institut Gornogo Dela Sibirskogo Otdelenia Akademii Nauk Sssr | Hydraulic stand |
| US5584611A (en) * | 1994-11-22 | 1996-12-17 | Long-Airdox | Roof support for underground excavations |
| US6651696B2 (en) * | 2001-09-20 | 2003-11-25 | Gilmore Valve Co., Ltd. | Relief valve |
| DE10158477B4 (de) * | 2001-11-28 | 2014-05-15 | Wolfgang Voss | Druckbegrenzungsventil mit Schutzrohr |
| DE202009004753U1 (de) * | 2009-04-29 | 2010-09-16 | Bucyrus Europe Gmbh | Druckbegrenzungsventil |
| US20150267822A1 (en) * | 2014-03-18 | 2015-09-24 | Mine Support Products (Pty) Ltd | Valve |
| CN103912295A (zh) * | 2014-04-04 | 2014-07-09 | 济宁何岗煤矿 | 新型移动式手动快速升柱器 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7500932U (de) * | 1975-07-10 | Wessel G Wessel Hydraulik | Druckabschaltventil | |
| DE7114711U (de) * | 1971-09-02 | Wessel G | Überdruckventil | |
| US2134803A (en) * | 1936-11-06 | 1938-11-01 | Waterbury Tool Co | Relief valve for power transmissions |
| US2730269A (en) * | 1949-04-14 | 1956-01-10 | Carl A Covington | Fluid apparatus |
| US2980132A (en) * | 1957-11-25 | 1961-04-18 | Borg Warner | Safety relief valve |
| NL277490A (US06811534-20041102-M00003.png) * | 1961-04-20 | |||
| DE1193463B (de) * | 1961-11-30 | 1965-05-26 | Wilhelm Steinkopf | UEberdruckventil fuer einen hydraulischen Grubenstempel |
| FR1318596A (fr) * | 1962-03-31 | 1963-02-15 | Bratislavske Elektrotechnicke | Régulateur coulissant pour déterminer deux pressions consécutives dans des machines à commande hydraulique, notamment dans des presses hydrauliques de soudage électrique par résistance |
| GB1050951A (US06811534-20041102-M00003.png) * | 1963-01-26 | |||
| US3277838A (en) * | 1966-01-10 | 1966-10-11 | Carlos R Canalizo | Gas lift system |
| DE1583067B1 (de) * | 1967-09-02 | 1970-11-19 | Thyssen Huette Ag | Ventil fuer hydraulische Grubenstempel |
| DE6603747U (de) * | 1967-09-06 | 1969-10-23 | Kloeckner Werke Ag | Sicherheitsventil zur ueberlastungsschutz von hydraulischen grubenstempeln |
-
1976
- 1976-08-16 DE DE2636794A patent/DE2636794C2/de not_active Expired
- 1976-08-20 IN IN1516/CAL/76A patent/IN144750B/en unknown
- 1976-08-30 AU AU17288/76A patent/AU501726B2/en not_active Expired
- 1976-09-01 GB GB3613976A patent/GB1554643A/en not_active Expired
- 1976-09-01 US US05/719,653 patent/US4111227A/en not_active Expired - Lifetime
- 1976-09-03 FR FR7626710A patent/FR2323867A1/fr not_active Withdrawn
- 1976-09-09 JP JP10731776A patent/JPS5245731A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1554643A (en) | 1979-10-24 |
| DE2636794A1 (de) | 1977-03-17 |
| AU1728876A (en) | 1978-03-09 |
| JPS5245731A (en) | 1977-04-11 |
| FR2323867A1 (fr) | 1977-04-08 |
| AU501726B2 (en) | 1979-06-28 |
| DE2636794C2 (de) | 1982-06-09 |
| US4111227A (en) | 1978-09-05 |
