BE904948A - TRIPLE TELESCOPIC WATERPROOF. - Google Patents
TRIPLE TELESCOPIC WATERPROOF.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
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.Triple telescopic prop comprising an outer tube 1, a central tube 5, an inner tube 9 and a piston rod 12, the central tube 5 mounted to slide axially in the outer tube 1, the inner tube 9 being mounted to slide axially by a piston plate 7 in the central tube 5 and the piston rod 12 being axially sliding by a piston 11 inside the internal tube 9, non-return valves 16, 14 being provided respectively in the piston plate 7 and in the base plate 2.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853521818 DE3521818A1 (en) | 1985-06-19 | 1985-06-19 | TRIPLE-TELESCOPE STAMP |
Publications (1)
Publication Number | Publication Date |
---|---|
BE904948A true BE904948A (en) | 1986-10-16 |
Family
ID=6273578
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE0/216799A BE904948A (en) | 1985-06-19 | 1986-06-18 | TRIPLE TELESCOPIC WATERPROOF. |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE904948A (en) |
DE (1) | DE3521818A1 (en) |
GB (1) | GB2176846B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3720040A1 (en) * | 1987-06-16 | 1988-12-29 | Neumeister Hydraulik Kg | Telescopic cylinder |
IT1211191B (en) * | 1987-07-10 | 1989-10-12 | Op Pagliero S P A | IMPROVEMENT RELATING TO THE MULTI-STAGE COAXIAL HYDRAULIC JACKS THAT CAN BE OPERATED TELESCOPICALLY AT THE SAME TIME |
US5026218A (en) * | 1989-11-16 | 1991-06-25 | Joy Technologies Inc. | Temporary roof support cylinder |
CN101845957A (en) * | 2010-05-10 | 2010-09-29 | 中煤北京煤矿机械有限责任公司 | Triple retractable column and hydraulic bracket |
CN103410534B (en) * | 2013-08-29 | 2016-02-10 | 郑州煤矿机械集团股份有限公司 | Triple telescopic column for hydraulic support |
CN103603975B (en) * | 2013-11-26 | 2015-10-28 | 湖南特力液压有限公司 | Multi-stage hydraulic cylinder |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE924479C (en) * | 1952-10-25 | 1955-03-03 | Toussaint & Hess Gmbh | Hydraulic lifting device with parts that can be telescoped into one another |
BE607500A (en) * | 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 |
-
1985
- 1985-06-19 DE DE19853521818 patent/DE3521818A1/en not_active Ceased
-
1986
- 1986-05-14 GB GB08611764A patent/GB2176846B/en not_active Expired
- 1986-06-18 BE BE0/216799A patent/BE904948A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB2176846A (en) | 1987-01-07 |
GB8611764D0 (en) | 1986-06-25 |
GB2176846B (en) | 1988-10-19 |
DE3521818A1 (en) | 1987-01-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: KLOCKNER-BECORIT G.M.B.H. Effective date: 19910630 |