Title:
CHECK VALVE
Document Type and Number:
WIPO Patent Application WO1996019688
Kind Code:
A3
Abstract:
To simplify the construction of a check valve, the invention proposes a valve closing component (12) integral with a curved washer (10). The valve closing component (12) takes the form of a ball cap at the centre of the curved washer (10). The curved washer has helical spring leaves (14).
Inventors:
STAIB HELMUT (DE)
ALAZE NORBERT (DE)
SCHULLER WOLFGANG (DE)
ALAZE NORBERT (DE)
SCHULLER WOLFGANG (DE)
Application Number:
PCT/DE1995/001667
Publication Date:
August 29, 1996
Filing Date:
November 27, 1995
Export Citation:
Assignee:
BOSCH GMBH ROBERT (DE)
STAIB HELMUT (DE)
ALAZE NORBERT (DE)
SCHULLER WOLFGANG (DE)
STAIB HELMUT (DE)
ALAZE NORBERT (DE)
SCHULLER WOLFGANG (DE)
International Classes:
F16K15/02; F16K15/14; (IPC1-7): F16K15/02
Domestic Patent References:
WO1979000364A1 | 1979-06-28 |
Foreign References:
DE3212949A1 | 1983-10-20 | |||
FR2195258A5 | 1974-03-01 | |||
US4050859A | 1977-09-27 | |||
US4284391A | 1981-08-18 |
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