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
Application number
IN1516/CAL/76A
Other languages
English (en)
Inventor
G Siebenhofer
S Sigott
A Zitz
H Suessenbeck
Original Assignee
Voest Ag
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
Priority claimed from AT694775A external-priority patent/AT339237B/de
Priority claimed from AT100776A external-priority patent/AT342538B/de
Application filed by Voest Ag filed Critical Voest Ag
Publication of IN144750B publication Critical patent/IN144750B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • 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
    • 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
    • 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
IN1516/CAL/76A 1975-09-09 1976-08-20 IN144750B (fr)

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 (fr) 1978-07-01

Family

ID=25594583

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1516/CAL/76A IN144750B (fr) 1975-09-09 1976-08-20

Country Status (7)

Country Link
US (1) US4111227A (fr)
JP (1) JPS5245731A (fr)
AU (1) AU501726B2 (fr)
DE (1) DE2636794C2 (fr)
FR (1) FR2323867A1 (fr)
GB (1) GB1554643A (fr)
IN (1) IN144750B (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
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 (fr) * 1986-08-06 1988-02-23
DE3806833A1 (de) * 1988-03-03 1989-09-14 Hilti Ag Pulverkraftbetriebenes bolzensetzgeraet
AU633915B2 (en) * 1989-05-19 1993-02-11 Richard Voss Grubenausbau Gmbh Pressure limiting valve with stepped or double piston
WO1991000416A1 (fr) * 1989-06-27 1991-01-10 Institut Gornogo Dela Sibirskogo Otdelenia Akademii Nauk Sssr Support hydraulique
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7114711U (de) * 1971-09-02 Wessel G Überdruckventil
DE7500932U (de) * 1975-07-10 Wessel G Wessel Hydraulik Druckabschaltventil
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 (fr) * 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 (fr) * 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

Also Published As

Publication number Publication date
JPS5245731A (en) 1977-04-11
AU1728876A (en) 1978-03-09
US4111227A (en) 1978-09-05
AU501726B2 (en) 1979-06-28
FR2323867A1 (fr) 1977-04-08
GB1554643A (en) 1979-10-24
DE2636794A1 (de) 1977-03-17
DE2636794C2 (de) 1982-06-09

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