DE1032200B - Hydraulisch betriebenes Stuetzelement - Google Patents

Hydraulisch betriebenes Stuetzelement

Info

Publication number
DE1032200B
DE1032200B DEE11676A DEE0011676A DE1032200B DE 1032200 B DE1032200 B DE 1032200B DE E11676 A DEE11676 A DE E11676A DE E0011676 A DEE0011676 A DE E0011676A DE 1032200 B DE1032200 B DE 1032200B
Authority
DE
Germany
Prior art keywords
support element
space
pressure
pump
cylinder
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
DEE11676A
Other languages
German (de)
English (en)
Inventor
Erich Jaeger
Dipl-Ing Wilhelm Wilkenloh
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.)
Rheinstahl Wanheim GmbH
Original Assignee
Rheinstahl Wanheim GmbH
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 BE552440D priority Critical patent/BE552440A/xx
Application filed by Rheinstahl Wanheim GmbH filed Critical Rheinstahl Wanheim GmbH
Priority to DEE11676A priority patent/DE1032200B/de
Priority to GB35173/56A priority patent/GB816247A/en
Priority to FR1167822D priority patent/FR1167822A/fr
Priority to US628112A priority patent/US3012404A/en
Publication of DE1032200B publication Critical patent/DE1032200B/de
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/12—Valves; Arrangement of valves arranged in or on pistons
    • F04B53/122—Valves; Arrangement of valves arranged in or on pistons the piston being free-floating, e.g. the valve being formed between the actuating rod and the piston
    • 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
    • E21D15/45—Hydraulic, pneumatic, or hydraulic-pneumatic props having closed fluid system, e.g. with built-in pumps or accumulators
    • 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
    • E21D15/60—Devices for withdrawing props or chocks
    • E21D15/603—Devices for withdrawing props or chocks by means of hydraulic devices
    • 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
    • E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
    • E21D23/0069—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices without essential advancing shifting devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Prostheses (AREA)
  • Pens And Brushes (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Jet Pumps And Other Pumps (AREA)
DEE11676A 1955-12-13 1955-12-13 Hydraulisch betriebenes Stuetzelement Pending DE1032200B (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
BE552440D BE552440A (enrdf_load_stackoverflow) 1955-12-13
DEE11676A DE1032200B (de) 1955-12-13 1955-12-13 Hydraulisch betriebenes Stuetzelement
GB35173/56A GB816247A (en) 1955-12-13 1956-11-16 Improvements in hydraulically operated props particularly pit props
FR1167822D FR1167822A (fr) 1955-12-13 1956-11-23 élément de soutènement à commande hydraulique
US628112A US3012404A (en) 1955-12-13 1956-12-13 Hydraulic support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEE11676A DE1032200B (de) 1955-12-13 1955-12-13 Hydraulisch betriebenes Stuetzelement

Publications (1)

Publication Number Publication Date
DE1032200B true DE1032200B (de) 1958-06-19

Family

ID=7068144

Family Applications (1)

Application Number Title Priority Date Filing Date
DEE11676A Pending DE1032200B (de) 1955-12-13 1955-12-13 Hydraulisch betriebenes Stuetzelement

Country Status (5)

Country Link
US (1) US3012404A (enrdf_load_stackoverflow)
BE (1) BE552440A (enrdf_load_stackoverflow)
DE (1) DE1032200B (enrdf_load_stackoverflow)
FR (1) FR1167822A (enrdf_load_stackoverflow)
GB (1) GB816247A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3712758A (en) * 1970-09-10 1973-01-23 Int Harvester Co Variable displacement pump
US3882761A (en) * 1973-11-14 1975-05-13 Joseph D Snitgen Fluid stop mechanism

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE510708C (de) * 1929-02-05 1930-10-22 Albert Hamel Abbaukammer mit in der Hoehe einstellbarem Dach
DE924686C (de) * 1951-11-30 1955-03-07 Emil Weber Hydraulische Setzvorrichtung fuer Stempel

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US16801A (en) * 1857-03-10 George lindsay
US205674A (en) * 1878-07-02 Improvement in hydraulic jacks
US868868A (en) * 1907-04-05 1907-10-22 Peter Kiefer Air-motor.
US1624151A (en) * 1925-07-14 1927-04-12 Aladdin Hydraulic Jack Company Hydraulic jack
US1656430A (en) * 1926-03-16 1928-01-17 Herman D Eberle Hydraulic jack
US1745067A (en) * 1928-10-30 1930-01-28 Erie Hydraulic Mfg Company Hydraulic jack
US2119440A (en) * 1935-12-23 1938-05-31 Timothy C Pomeroy Hydraulic jack
BE486663A (enrdf_load_stackoverflow) * 1948-01-12

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE510708C (de) * 1929-02-05 1930-10-22 Albert Hamel Abbaukammer mit in der Hoehe einstellbarem Dach
DE924686C (de) * 1951-11-30 1955-03-07 Emil Weber Hydraulische Setzvorrichtung fuer Stempel

Also Published As

Publication number Publication date
BE552440A (enrdf_load_stackoverflow)
US3012404A (en) 1961-12-12
GB816247A (en) 1959-07-08
FR1167822A (fr) 1958-12-01

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