PL117774B1 - Cylinder resistant to strong corrosive action - Google Patents

Cylinder resistant to strong corrosive action Download PDF

Info

Publication number
PL117774B1
PL117774B1 PL20499978A PL20499978A PL117774B1 PL 117774 B1 PL117774 B1 PL 117774B1 PL 20499978 A PL20499978 A PL 20499978A PL 20499978 A PL20499978 A PL 20499978A PL 117774 B1 PL117774 B1 PL 117774B1
Authority
PL
Poland
Prior art keywords
cylinder
protective
resistant
inner cylinder
insulating layer
Prior art date
Application number
PL20499978A
Other languages
English (en)
Polish (pl)
Other versions
PL204999A1 (pl
Original Assignee
Reininghaus Ulrich
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 claimed from DE19772708929 external-priority patent/DE2708929B2/de
Priority claimed from DE19772728226 external-priority patent/DE2728226A1/de
Application filed by Reininghaus Ulrich filed Critical Reininghaus Ulrich
Publication of PL204999A1 publication Critical patent/PL204999A1/xx
Publication of PL117774B1 publication Critical patent/PL117774B1/pl

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14Telescopic props
    • E21D15/44Hydraulic, pneumatic, or hydraulic-pneumatic props
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423Component parts; Constructional details
    • F15B15/1428Cylinders

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Sealing Devices (AREA)
PL20499978A 1977-03-02 1978-03-01 Cylinder resistant to strong corrosive action PL117774B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19772708929 DE2708929B2 (de) 1977-03-02 1977-03-02 Teleskopstempel für den untertägigen Schildausbau
DE19772728226 DE2728226A1 (de) 1977-06-23 1977-06-23 Zylinder fuer hohe korrosionsbeanspruchung

Publications (2)

Publication Number Publication Date
PL204999A1 PL204999A1 (pl) 1978-11-06
PL117774B1 true PL117774B1 (en) 1981-08-31

Family

ID=25771678

Family Applications (1)

Application Number Title Priority Date Filing Date
PL20499978A PL117774B1 (en) 1977-03-02 1978-03-01 Cylinder resistant to strong corrosive action

Country Status (5)

Country Link
JP (1) JPS53107547A (cg-RX-API-DMAC7.html)
FR (1) FR2382600A1 (cg-RX-API-DMAC7.html)
GB (1) GB1592090A (cg-RX-API-DMAC7.html)
HU (1) HU179571B (cg-RX-API-DMAC7.html)
PL (1) PL117774B1 (cg-RX-API-DMAC7.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2522082B1 (fr) * 1982-02-20 1988-02-12 Festo Maschf Stoll G Verin pneumatique ou hydraulique
CN108994606A (zh) * 2018-07-27 2018-12-14 田洪志 一种液压支柱柔性自动化装配控制系统

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2640104C3 (de) * 1976-09-07 1979-03-08 Herbert 5000 Koeln Friebe Grubenstempel

Also Published As

Publication number Publication date
JPS53107547A (en) 1978-09-19
PL204999A1 (pl) 1978-11-06
FR2382600B1 (cg-RX-API-DMAC7.html) 1984-03-30
HU179571B (en) 1982-11-29
FR2382600A1 (fr) 1978-09-29
GB1592090A (en) 1981-07-01

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