DE1047737B - Hydraulischer Grubenstempel und aehnliche Stuetzvorrichtung - Google Patents

Hydraulischer Grubenstempel und aehnliche Stuetzvorrichtung

Info

Publication number
DE1047737B
DE1047737B DEG22747A DEG0022747A DE1047737B DE 1047737 B DE1047737 B DE 1047737B DE G22747 A DEG22747 A DE G22747A DE G0022747 A DEG0022747 A DE G0022747A DE 1047737 B DE1047737 B DE 1047737B
Authority
DE
Germany
Prior art keywords
valve
pressure relief
relief valve
filling
design according
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.)
Pending
Application number
DEG22747A
Other languages
German (de)
English (en)
Inventor
Franz Eichner
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.)
Gutehoffnungshutte Sterkrade AG
Original Assignee
Gutehoffnungshutte Sterkrade 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 to NL230401D priority Critical patent/NL230401A/xx
Priority to BE570316D priority patent/BE570316A/xx
Application filed by Gutehoffnungshutte Sterkrade AG filed Critical Gutehoffnungshutte Sterkrade AG
Priority to DEG22747A priority patent/DE1047737B/de
Priority to FR1201210D priority patent/FR1201210A/fr
Priority to GB2608158A priority patent/GB892976A/en
Publication of DE1047737B publication Critical patent/DE1047737B/de
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50Component parts or details of props
    • E21D15/51Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
    • E21D15/512Arrangement of valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/168Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side combined with manually-controlled valves, e.g. a valve combined with a safety valve
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K24/00Devices, e.g. valves, for venting or aerating enclosures
    • F16K24/04Devices, e.g. valves, for venting or aerating enclosures for venting only
    • F16K24/042Devices, e.g. valves, for venting or aerating enclosures for venting only actuated by a float

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Safety Valves (AREA)
  • Check Valves (AREA)
DEG22747A 1957-08-13 1957-08-13 Hydraulischer Grubenstempel und aehnliche Stuetzvorrichtung Pending DE1047737B (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL230401D NL230401A (en:Method) 1957-08-13
BE570316D BE570316A (en:Method) 1957-08-13
DEG22747A DE1047737B (de) 1957-08-13 1957-08-13 Hydraulischer Grubenstempel und aehnliche Stuetzvorrichtung
FR1201210D FR1201210A (fr) 1957-08-13 1958-08-08 étançon hydraulique de mine et dispositif d'appui analogue
GB2608158A GB892976A (en) 1957-08-13 1958-08-13 Improvements relating to hydraulic pit-props or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG22747A DE1047737B (de) 1957-08-13 1957-08-13 Hydraulischer Grubenstempel und aehnliche Stuetzvorrichtung

Publications (1)

Publication Number Publication Date
DE1047737B true DE1047737B (de) 1958-12-31

Family

ID=7122021

Family Applications (1)

Application Number Title Priority Date Filing Date
DEG22747A Pending DE1047737B (de) 1957-08-13 1957-08-13 Hydraulischer Grubenstempel und aehnliche Stuetzvorrichtung

Country Status (5)

Country Link
BE (1) BE570316A (en:Method)
DE (1) DE1047737B (en:Method)
FR (1) FR1201210A (en:Method)
GB (1) GB892976A (en:Method)
NL (1) NL230401A (en:Method)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1145122B (de) * 1959-02-23 1963-03-14 Dowty Mining Equipment Ltd Hydraulischer Grubenstempel
DE1231648B (de) * 1960-08-11 1967-01-05 Bochumer Eisen Heintzmann Hydraulisches Ausbauelement, insbesondere fuer den untertaegigen Grubenbetrieb

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3540531C1 (de) * 1985-11-15 1987-01-08 Hemscheidt Maschf Hermann Wechselventil fuer hydraulischen Schreitausbau
DE68916267T2 (de) * 1988-01-18 1994-10-13 Diesel Kiki Co., Ltd., Tokio/Tokyo Druckausgleichsventil.
FR3046463A1 (fr) 2015-12-30 2017-07-07 Dominique Lestelle Dispositif de mesure resistive de l'humidite d'un materiau mineral poreux, et application au monitoring hydrique des plantes

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2474464A (en) * 1947-04-24 1949-06-28 Cable Richard George Pit prop and the like

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2474464A (en) * 1947-04-24 1949-06-28 Cable Richard George Pit prop and the like

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1145122B (de) * 1959-02-23 1963-03-14 Dowty Mining Equipment Ltd Hydraulischer Grubenstempel
DE1231648B (de) * 1960-08-11 1967-01-05 Bochumer Eisen Heintzmann Hydraulisches Ausbauelement, insbesondere fuer den untertaegigen Grubenbetrieb

Also Published As

Publication number Publication date
FR1201210A (fr) 1959-12-29
BE570316A (en:Method)
GB892976A (en) 1962-04-04
NL230401A (en:Method)

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