Poppet valve and a method of manufacturing the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
Mar 21, 2002
app pub date -
May 18, 2001
filing date -
Sep 19, 2000
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A poppet valve is used in an internal combustion engine of an automobile. A valve body which comprises a valve stem and a valve head is made of high-strength plastic resin. The valve head is covered with a metal head cover, and the end of the valve stem is covered with a cylindrical metal cap, thereby decreasing weight of the poppet valve.
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