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) 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
WO1995034743A1 (en) * 1994-06-13 1995-12-21 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
ZA829170B (en) 1983-10-26
DE3246481A1 (de) 1983-06-23
DE8235289U1 (de) 1986-06-05
FR2518163A1 (fr) 1983-06-17
CS241518B2 (en) 1986-03-13
AU9152682A (en) 1983-06-23
GB2111594A (en) 1983-07-06
CS914282A2 (en) 1985-08-15
GB2111594B (en) 1986-02-05
JPS58131401A (ja) 1983-08-05
HU183739B (en) 1984-05-28

Similar Documents

Publication Publication Date Title
GB8520095D0 (en) Hydraulic cylinder
GB2075148B (en) Hydraulic cylinders
GB8502978D0 (en) Hydraulic cylinder
GB2112874B (en) Hydraulic jacks
GB2029900B (en) Hydraulic mine prop
PL239587A1 (en) Hydraulic cylinder in particular that used as a mine prop
GB8712300D0 (en) Hydraulic cylinder
JPS56164211A (en) Hydraulic cylinder
ZA828996B (en) Hydraulic prop
GB8405365D0 (en) Hydraulic jack for elongate elements
GB2190963B (en) Hydraulic mining prop
GR81171B (en) Hydraulic cylinder
ZA836147B (en) Hydraulic pit prop
ZA856805B (en) Hydraulic prop piston
PL134829B1 (en) Double hydraulic prop
PL250534A1 (en) Double-action hydraulic prop
HUT48944A (en) Hydraulic working cylinder particularly hydraulic prop used in mining
ZA785166B (en) A hydraulic mine prop
PL242571A1 (en) Hydraulic prop
PL242446A1 (en) Hydraulic prop
ZA847752B (en) Hydraulic prop
AU1548583A (en) Hydraulic prop with extension
AU84551S (en) hydraulic cylinder
PL237429A1 (en) Double-stroke hydraulic prop
ZA824116B (en) Mine prop