PL239587A1 - Hydraulic cylinder in particular that used as a mine prop - Google Patents

Hydraulic cylinder in particular that used as a mine prop

Info

Publication number
PL239587A1
PL239587A1 PL23958782A PL23958782A PL239587A1 PL 239587 A1 PL239587 A1 PL 239587A1 PL 23958782 A PL23958782 A PL 23958782A PL 23958782 A PL23958782 A PL 23958782A PL 239587 A1 PL239587 A1 PL 239587A1
Authority
PL
Poland
Prior art keywords
hydraulic cylinder
mine prop
prop
mine
hydraulic
Prior art date
Application number
PL23958782A
Other languages
English (en)
Original Assignee
Tatabanyai Szenbanyak
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 Tatabanyai Szenbanyak filed Critical Tatabanyai Szenbanyak
Publication of PL239587A1 publication Critical patent/PL239587A1/xx

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)
PL23958782A 1981-12-15 1982-12-15 Hydraulic cylinder in particular that used as a mine prop PL239587A1 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
PL239587A1 true PL239587A1 (en) 1983-08-01

Family

ID=10965396

Family Applications (1)

Application Number Title Priority Date Filing Date
PL23958782A PL239587A1 (en) 1981-12-15 1982-12-15 Hydraulic cylinder in particular that used as a mine prop

Country Status (9)

Country Link
JP (1) JPS58131401A (cs)
AU (1) AU9152682A (cs)
CS (1) CS241518B2 (cs)
DE (2) DE8235289U1 (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
AU9043298A (en) * 1997-08-12 1999-03-01 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
GB2111594B (en) 1986-02-05
ZA829170B (en) 1983-10-26
CS241518B2 (en) 1986-03-13
JPS58131401A (ja) 1983-08-05
DE3246481A1 (de) 1983-06-23
GB2111594A (en) 1983-07-06
CS914282A2 (en) 1985-08-15
DE8235289U1 (de) 1986-06-05
AU9152682A (en) 1983-06-23
HU183739B (en) 1984-05-28
FR2518163A1 (fr) 1983-06-17

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