Self-riveting flapper valves
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United States of America Patent
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N/A
Issued Date -
Oct 26, 2006
app pub date -
Apr 20, 2005
filing date -
Apr 20, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A rivet-type flapper valve assembly for a fluid device has a main body part defining a valve orifice communicating with the fluid device. The main body part includes a pin or shaft of a rivet spaced adjacent to the valve orifice. The main body part is permanently attached to the fluid device, such as by brazing. A flapper valve is then mounted on the rivet shaft to cover the valve orifice, and the rivet shaft is deformed to retain the flapper valve in place.
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