Internal-combustion engines – Poppet valve operating mechanism – Lubrication
Reexamination Certificate
2007-01-23
2010-02-02
Chang, Ching (Department: 3748)
Internal-combustion engines
Poppet valve operating mechanism
Lubrication
C123S1950HC
Reexamination Certificate
active
07654237
ABSTRACT:
Cam covers including a shell of the plastic material reinforced with a support structure and one or more end caps and methods for making cam covers incorporating a plastic shell and a metal or plastic support structure and one or more end caps are described herein.
REFERENCES:
patent: 6085709 (2000-07-01), Freese
patent: 6584950 (2003-07-01), Cunningham
Chang Ching
Kohncke Nicanor A.
LANXESS Corporation
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