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BE904948A - Etancon telescopique triple. - Google Patents

Etancon telescopique triple.

Info

Publication number
BE904948A
BE904948A BE0/216799A BE216799A BE904948A BE 904948 A BE904948 A BE 904948A BE 0/216799 A BE0/216799 A BE 0/216799A BE 216799 A BE216799 A BE 216799A BE 904948 A BE904948 A BE 904948A
Authority
BE
Belgium
Prior art keywords
tube
piston
triple telescopic
telescopic waterproof
triple
Prior art date
Application number
BE0/216799A
Other languages
English (en)
Original Assignee
Kloeckner Becorit Gmbh
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 Kloeckner Becorit Gmbh filed Critical Kloeckner Becorit Gmbh
Publication of BE904948A publication Critical patent/BE904948A/fr

Links

Classifications

    • 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
    • F15B15/16—Characterised by the construction of the motor unit of the straight-cylinder type of the telescopic type

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Safety Valves (AREA)
  • Fluid-Damping Devices (AREA)
  • Actuator (AREA)

Abstract

Etançon téléscopique triple comportant un tube extérieur 1, un tube central 5, un tube intérieur 9 et une tige de piston 12, le tube central 5 monté coulissant axialement dans le tube extérieur 1, le tube intérieur 9 étant monté coulissant axialement par une plaque piston 7 dans le tube central 5 et la tige de piston 12 étant coulissante axialement par un piston 11 à l'intérieur du tube intérieur 9, des clapets anti-retour 16,14 étant prévus respectivement dans la plaque piston 7 et dans la plaque de base 2.
BE0/216799A 1985-06-19 1986-06-18 Etancon telescopique triple. BE904948A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853521818 DE3521818A1 (de) 1985-06-19 1985-06-19 Dreifachteleskopstempel

Publications (1)

Publication Number Publication Date
BE904948A true BE904948A (fr) 1986-10-16

Family

ID=6273578

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/216799A BE904948A (fr) 1985-06-19 1986-06-18 Etancon telescopique triple.

Country Status (3)

Country Link
BE (1) BE904948A (fr)
DE (1) DE3521818A1 (fr)
GB (1) GB2176846B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3720040A1 (de) * 1987-06-16 1988-12-29 Neumeister Hydraulik Kg Teleskopzylinder
IT1211191B (it) * 1987-07-10 1989-10-12 Op Pagliero S P A Perfezionamento relativo ai martinetti idraulici pluristadi coassiali azionabili telescopicamente in contemporaneita
US5026218A (en) * 1989-11-16 1991-06-25 Joy Technologies Inc. Temporary roof support cylinder
CN101845957A (zh) * 2010-05-10 2010-09-29 中煤北京煤矿机械有限责任公司 三伸缩立柱及液压支架
CN103410534B (zh) * 2013-08-29 2016-02-10 郑州煤矿机械集团股份有限公司 液压支架用三伸缩立柱
CN103603975B (zh) * 2013-11-26 2015-10-28 湖南特力液压有限公司 多级液压缸

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE924479C (de) * 1952-10-25 1955-03-03 Toussaint & Hess Gmbh Hydraulische Hubvorrichtung mit teleskopartig ineinander verschiebbaren Teilen
BE607500A (fr) * 1960-09-02
GB935257A (en) * 1960-11-09 1963-08-28 Dowty Mining Equipment Ltd Improvements relating to hydraulic prop assemblies
GB1022443A (en) * 1961-06-07 1966-03-16 Dobson Ltd W E & F Improvements in or relating to load supporting props assemblies

Also Published As

Publication number Publication date
GB2176846B (en) 1988-10-19
DE3521818A1 (de) 1987-01-02
GB8611764D0 (en) 1986-06-25
GB2176846A (en) 1987-01-07

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: KLOCKNER-BECORIT G.M.B.H.

Effective date: 19910630