Title:
DIAPHRAGM
Document Type and Number:
WIPO Patent Application WO/1988/008096
Kind Code:
A1
Abstract:
Diaphragms (1, 4, 7, 15) are composed of a rubber-like elastic material (2, 5, 8, 16) and sheet-like members (3, 6, 9, 17) made up of metal foils or members impermeable to gas, such as a resin membrane etc. This diaphragm is used for such equipment as an accumulator etc., in such a manner that said diaphragm forms on one side a part of a pressure chamber (13) charged with a gas in advance and on the other side a part of a chamber (14) which communicates with flow passages, so that pressurized gas in the pressure chamber (13) is prevented from leaking to the chamber (14) communicating with the flow passages for a long period of time.
Inventors:
OTSUKI SATORU (JP)
Application Number:
PCT/JP1987/000231
Publication Date:
October 20, 1988
Filing Date:
April 13, 1987
Export Citation:
Assignee:
NOK CORP (JP)
International Classes:
F15B1/10; F16J3/02; F16L55/053; (IPC1-7): F16J3/02
Foreign References:
| JPS4951875U | 1974-05-08 | |||
| JPS4943054A | 1974-04-23 | |||
| JPS5761269U | 1982-04-12 | |||
| JPS3617871Y1 | ||||
| JPS603354U | 1985-01-11 | |||
| JPS4328541Y1 | 1968-11-25 | |||
| JPS4635735Y1 | 1971-12-08 | |||
| JPS5829327Y2 | 1983-06-27 |
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