Diaphragm assembly and method of manufacturing same
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United States of America Patent
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-
Jun 2, 1998
Issued Date -
N/A
app pub date -
Jul 30, 1997
filing date -
Jan 6, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A diaphragm assembly has a center disk in which use of a metal member is not required. The center disk comprises first and second center disk members, made of resin, embracing a resin diaphragm between them. The first center disk member has an inwardly directed inner flange on an inner peripheral wall defining a resin charging space, and the second center disk member comprises a resin-molded body, formed by charging a resin, and has an outwardly directed outer flange. A portion of the diaphragm is clamped between the inner flange and the outer flange.
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