FR2382600A1 - Verin ou etancon hydraulique destine a etre utilise dans un milieu tres corrosif - Google Patents

Verin ou etancon hydraulique destine a etre utilise dans un milieu tres corrosif

Info

Publication number
FR2382600A1
FR2382600A1 FR7806034A FR7806034A FR2382600A1 FR 2382600 A1 FR2382600 A1 FR 2382600A1 FR 7806034 A FR7806034 A FR 7806034A FR 7806034 A FR7806034 A FR 7806034A FR 2382600 A1 FR2382600 A1 FR 2382600A1
Authority
FR
France
Prior art keywords
cylinder
hydraulic cylinder
corrosive environment
seal intended
intended
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.)
Granted
Application number
FR7806034A
Other languages
English (en)
French (fr)
Other versions
FR2382600B1 (cg-RX-API-DMAC7.html
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
Priority claimed from DE19772708929 external-priority patent/DE2708929B2/de
Priority claimed from DE19772728226 external-priority patent/DE2728226A1/de
Application filed by Individual filed Critical Individual
Publication of FR2382600A1 publication Critical patent/FR2382600A1/fr
Application granted granted Critical
Publication of FR2382600B1 publication Critical patent/FR2382600B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1428—Cylinders

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)
FR7806034A 1977-03-02 1978-03-02 Verin ou etancon hydraulique destine a etre utilise dans un milieu tres corrosif Granted FR2382600A1 (fr)

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
FR2382600A1 true FR2382600A1 (fr) 1978-09-29
FR2382600B1 FR2382600B1 (cg-RX-API-DMAC7.html) 1984-03-30

Family

ID=25771678

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7806034A Granted FR2382600A1 (fr) 1977-03-02 1978-03-02 Verin ou etancon hydraulique destine a etre utilise dans un milieu tres corrosif

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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2522082A1 (fr) * 1982-02-20 1983-08-26 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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE858469A (fr) * 1976-09-07 1978-01-02 Friebe Anna Nee Schumacher Etancon de mine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE858469A (fr) * 1976-09-07 1978-01-02 Friebe Anna Nee Schumacher Etancon de mine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2522082A1 (fr) * 1982-02-20 1983-08-26 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

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
PL117774B1 (en) 1981-08-31
GB1592090A (en) 1981-07-01

Similar Documents

Publication Publication Date Title
FR2399565A1 (fr) Verin hydraulique et pneumatique a dispositif perfectionne d'etancheite
FR2378610A1 (fr) Outil pneumatique a percussion
ES471919A1 (es) Conjunto de cubierta tubular
FR2415767A1 (fr) Soupape de surpression pour etancons de mines hydrauliques
GB1313478A (en) Seal assemblies
IT1174259B (it) Pozzeto di tenuta idraulica per canali di scarico e simili
FR2426846A1 (fr) Etancheite pour tige de piston hydraulique
FR2382600A1 (fr) Verin ou etancon hydraulique destine a etre utilise dans un milieu tres corrosif
JPS52118159A (en) Bellows for sealing piston rod penetrating section of working cylinder
FR2382578A1 (fr) Dispositif d'etancheite pour boucliers a couteaux
US3492009A (en) Device for packing gaps,mainly in high pressure apparatus
FR2446427A1 (fr) Dispositif d'etancheite dans un adaptateur pour des gorges d'etancheite existantes
Daniels et al. Seals for Pressures to 10 000 Atmospheres
GB1424854A (en) Pistons for pressure fluid operated cylinders
GB1245223A (en) Improvements in or relating to an oil scraper ring
FI872189A0 (fi) Tryckmediumpaoverkad cylinder -kolvkombination.
FR2391142A1 (fr) Mandrin expansible pour equipement de collecte de fils notamment de fils de verre
JPS53123751A (en) Buffering provided at rod sealing portion of oil pressure cylinder
FR2400109A1 (fr) Bouclier a couteaux
GB898987A (en) Improvements in or relating to hydraulic supports
FR1297515A (fr) Joint de piston pour étai de mine hydraulique
DE69211701D1 (de) Verbesserungen an hydraulischen arbeitszylindern
GB965891A (cg-RX-API-DMAC7.html)
GB1190775A (en) Improvements in or relating to Fluid Operated Jacks
SU1537940A1 (ru) Уплотнение поршн гидроцилиндра

Legal Events

Date Code Title Description
ST Notification of lapse