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GB2076121B - Excess pressure valves primarily for protection of hydraulic pit props - Google Patents

Excess pressure valves primarily for protection of hydraulic pit props

Info

Publication number
GB2076121B
GB2076121B GB8110669A GB8110669A GB2076121B GB 2076121 B GB2076121 B GB 2076121B GB 8110669 A GB8110669 A GB 8110669A GB 8110669 A GB8110669 A GB 8110669A GB 2076121 B GB2076121 B GB 2076121B
Authority
GB
United Kingdom
Prior art keywords
protection
excess pressure
pressure valves
pit props
hydraulic pit
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
Application number
GB8110669A
Other versions
GB2076121A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BERGER HANS MESSTECH
Original Assignee
BERGER HANS MESSTECH
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 by BERGER HANS MESSTECH filed Critical BERGER HANS MESSTECH
Publication of GB2076121A publication Critical patent/GB2076121A/en
Application granted granted Critical
Publication of GB2076121B publication Critical patent/GB2076121B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • F16K17/0446—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 an obturating member having at least a component of their opening and closing motion not perpendicular to the closing faces
    • F16K17/046—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 an obturating member having at least a component of their opening and closing motion not perpendicular to the closing faces the valve being of the gate valve type or the sliding valve type

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
GB8110669A 1980-05-12 1981-04-06 Excess pressure valves primarily for protection of hydraulic pit props Expired GB2076121B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803018145 DE3018145C2 (en) 1980-05-12 1980-05-12 Pressure relief valve to secure hydraulic pit rams

Publications (2)

Publication Number Publication Date
GB2076121A GB2076121A (en) 1981-11-25
GB2076121B true GB2076121B (en) 1983-11-09

Family

ID=6102212

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8110669A Expired GB2076121B (en) 1980-05-12 1981-04-06 Excess pressure valves primarily for protection of hydraulic pit props

Country Status (2)

Country Link
DE (1) DE3018145C2 (en)
GB (1) GB2076121B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3637888A1 (en) * 1986-11-06 1988-05-19 Gewerk Eisenhuette Westfalia PRESSURE LIMIT VALVE, IN PARTICULAR FOR HYDRAULIC EXTENSION SYSTEMS
DE4140317C2 (en) * 1991-12-06 1995-03-23 Vos Richard Grubenausbau Gmbh Valve arrangement for single punch expansion in underground mining and tunneling
DE4319967C2 (en) * 1993-06-17 2003-08-21 Vos Richard Grubenausbau Gmbh Pressure relief valve for hydraulic expansion in underground mining and tunneling
DE4323462C2 (en) * 1993-07-14 1995-05-04 Vos Richard Grubenausbau Gmbh Removal stamp for underground use with integrated pressure relief valve
DE10158477B4 (en) * 2001-11-28 2014-05-15 Wolfgang Voss Pressure relief valve with protective tube
JP7431118B2 (en) * 2020-07-13 2024-02-14 株式会社鷺宮製作所 pressure regulating valve

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1303157C2 (en) * 1973-02-01 PRESSURE VALVE CARTRIDGE FOR SECURING HYDRAULIC PIT STAMPS
DE1945206U (en) * 1966-01-20 1966-09-01 Gewerk Eisenhuette Westfalia PRESSURE VALVE CARTRIDGE.
DE2803283C2 (en) * 1978-01-26 1992-12-10 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Pressure relief valve for hydraulic pit rams
DE2914981C3 (en) * 1979-04-12 1993-12-02 Westfalia Becorit Ind Tech Pressure relief valve for hydraulic pit punches

Also Published As

Publication number Publication date
DE3018145A1 (en) 1981-11-19
GB2076121A (en) 1981-11-25
DE3018145C2 (en) 1985-05-09

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee