Hunton Andrews Kurth LLP
Manufacturing method for cylinder head
A manufacturing method for a cylinder head is described. A masking member is attached to cylinder head material, which followed by a film formation step. The masking member comprises a mask portion to mask the matching surface with the cylinder block, and mask portions to mask each of the openings of the intake ports, the exhaust ports, and the CPS hole. Mask portions are linked directly to other mask portions without any steps.
TOYOTA JIDOSHA KABUSHIKI KAISHA
F F F F F B C C
F02F F02F F02F F02B F02F B21K C23C C23C
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Hiroki Hideo Akio Kazuaki
Iguma Yamashita Kawaguchi Nishio