JPS58131401A - 流体圧作動シリンダ装置 - Google Patents

流体圧作動シリンダ装置

Info

Publication number
JPS58131401A
JPS58131401A JP57220014A JP22001482A JPS58131401A JP S58131401 A JPS58131401 A JP S58131401A JP 57220014 A JP57220014 A JP 57220014A JP 22001482 A JP22001482 A JP 22001482A JP S58131401 A JPS58131401 A JP S58131401A
Authority
JP
Japan
Prior art keywords
cylinder
fluid pressure
cylinder device
inner cylinder
gas chamber
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
JP57220014A
Other languages
English (en)
Japanese (ja)
Inventor
タマス・コバツクス
オツト−・ルコニツツ
ミクロス・ペトラジ−
クサバ・ピンタ−
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of JPS58131401A publication Critical patent/JPS58131401A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Fluid-Damping Devices (AREA)
  • Actuator (AREA)
  • Prostheses (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
JP57220014A 1981-12-15 1982-12-15 流体圧作動シリンダ装置 Pending JPS58131401A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
HU813767A HU183739B (en) 1981-12-15 1981-12-15 Hydraulic cylinder of combination operation particularly prop
HU2251/3767/81 1981-12-15

Publications (1)

Publication Number Publication Date
JPS58131401A true JPS58131401A (ja) 1983-08-05

Family

ID=10965396

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57220014A Pending JPS58131401A (ja) 1981-12-15 1982-12-15 流体圧作動シリンダ装置

Country Status (9)

Country Link
JP (1) JPS58131401A (cs)
AU (1) AU9152682A (cs)
CS (1) CS241518B2 (cs)
DE (2) DE3246481A1 (cs)
FR (1) FR2518163A1 (cs)
GB (1) GB2111594B (cs)
HU (1) HU183739B (cs)
PL (1) PL239587A1 (cs)
ZA (1) ZA829170B (cs)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3410269A1 (de) * 1984-03-21 1985-09-26 Ecker Maschinenbau GmbH, 6680 Neunkirchen Hydraulischer grubenstempel
PL254324A1 (en) * 1985-07-01 1987-03-09 Katowickie Gwarectwo Weglowe K Roof support for use in crumpable beds
AU2789895A (en) * 1994-06-13 1996-01-05 Contitech Luftfedersysteme Gmbh Mine prop
WO1999007980A1 (en) * 1997-08-12 1999-02-18 Chengeta, Cuthbert A pre-stressing device for a mine prop

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE968782C (de) * 1949-05-10 1958-04-10 Kronprinz Ag Hydraulischer Grubenstempel
US2753036A (en) * 1952-03-06 1956-07-03 Joy Mfg Co Mine roof support-equipped mining apparatus
NL251933A (cs) * 1959-07-03
US3191506A (en) * 1962-03-19 1965-06-29 Ledeen Inc Hydropneumatic prop
US3410549A (en) * 1966-07-05 1968-11-12 Edward G. Cheak Vehicle suspension
DE1959109U (de) * 1966-12-16 1967-04-27 Kloeckner Werke Ag Hydraulischer grubenstempel.
FR2181525B1 (cs) * 1972-04-27 1976-10-29 Gratzmuller Jean Louis
GB1436416A (en) * 1972-08-11 1976-05-19 Zaklady K Mechanizacyjne Przem Mine support
FR2300894A1 (fr) * 1975-02-12 1976-09-10 Bennes Marrel Dispo
AT339237B (de) * 1975-09-09 1977-10-10 Voest Ag Hydraulischer grubenstempel

Also Published As

Publication number Publication date
CS914282A2 (en) 1985-08-15
DE8235289U1 (de) 1986-06-05
GB2111594A (en) 1983-07-06
ZA829170B (en) 1983-10-26
PL239587A1 (en) 1983-08-01
DE3246481A1 (de) 1983-06-23
HU183739B (en) 1984-05-28
GB2111594B (en) 1986-02-05
AU9152682A (en) 1983-06-23
CS241518B2 (en) 1986-03-13
FR2518163A1 (fr) 1983-06-17

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