DE1128383B - Hydraulischer Grubenstempel - Google Patents

Hydraulischer Grubenstempel

Info

Publication number
DE1128383B
DE1128383B DEH28351A DEH0028351A DE1128383B DE 1128383 B DE1128383 B DE 1128383B DE H28351 A DEH28351 A DE H28351A DE H0028351 A DEH0028351 A DE H0028351A DE 1128383 B DE1128383 B DE 1128383B
Authority
DE
Germany
Prior art keywords
valve
pressure
robbery
ram
setting
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
DEH28351A
Other languages
German (de)
English (en)
Inventor
Dipl-Berging Waldemar Tomeczek
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.)
Hoesch AG
Original Assignee
Hoesch 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 NL218917D priority Critical patent/NL218917A/xx
Priority to BE559917D priority patent/BE559917A/xx
Application filed by Hoesch AG filed Critical Hoesch AG
Priority to DEH28351A priority patent/DE1128383B/de
Priority to FR1177675D priority patent/FR1177675A/fr
Priority to GB2764257A priority patent/GB836471A/en
Publication of DE1128383B publication Critical patent/DE1128383B/de
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • B66F3/25—Constructional features
    • B66F3/42—Constructional features with self-contained pumps, e.g. actuated by hand
    • 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
    • E21D15/14—Telescopic props
    • E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
    • 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
    • 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
    • F16K17/10—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 auxiliary valve for fluid operation of the main valve
    • 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
    • F16K17/18—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on either side

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Presses (AREA)
  • Safety Valves (AREA)
DEH28351A 1956-10-16 1956-10-16 Hydraulischer Grubenstempel Pending DE1128383B (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL218917D NL218917A (enrdf_load_stackoverflow) 1956-10-16
BE559917D BE559917A (enrdf_load_stackoverflow) 1956-10-16
DEH28351A DE1128383B (de) 1956-10-16 1956-10-16 Hydraulischer Grubenstempel
FR1177675D FR1177675A (fr) 1956-10-16 1957-07-02 Soupape pour étançon de mine
GB2764257A GB836471A (en) 1956-10-16 1957-09-02 Improvements in or relating to pit props

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEH28351A DE1128383B (de) 1956-10-16 1956-10-16 Hydraulischer Grubenstempel

Publications (1)

Publication Number Publication Date
DE1128383B true DE1128383B (de) 1962-04-26

Family

ID=7150844

Family Applications (1)

Application Number Title Priority Date Filing Date
DEH28351A Pending DE1128383B (de) 1956-10-16 1956-10-16 Hydraulischer Grubenstempel

Country Status (5)

Country Link
BE (1) BE559917A (enrdf_load_stackoverflow)
DE (1) DE1128383B (enrdf_load_stackoverflow)
FR (1) FR1177675A (enrdf_load_stackoverflow)
GB (1) GB836471A (enrdf_load_stackoverflow)
NL (1) NL218917A (enrdf_load_stackoverflow)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1013245B (de) * 1956-06-21 1957-08-08 Hoesch Westfalenhuette Ag Hydraulischer Grubenstempel
DE1048852B (de) * 1956-08-25 1959-01-22 Bosch Gmbh Robert Hydraulische Stuetzvorrichtung, insbesondere Grubenstempel

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1013245B (de) * 1956-06-21 1957-08-08 Hoesch Westfalenhuette Ag Hydraulischer Grubenstempel
DE1048852B (de) * 1956-08-25 1959-01-22 Bosch Gmbh Robert Hydraulische Stuetzvorrichtung, insbesondere Grubenstempel

Also Published As

Publication number Publication date
NL218917A (enrdf_load_stackoverflow)
GB836471A (en) 1960-06-01
BE559917A (enrdf_load_stackoverflow)
FR1177675A (fr) 1959-04-28

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