Patent ID: 11931769
Assignee: MAZDA MOTOR CORPORATION
Field: Surface technology, coating (Chemistry)
Classification: CPC B  F | IPC B  F

Claim 0:
1. A method of applying a heat shield material to form a heat shield layer on a crown surface of a piston of an engine, comprising the steps of:
disposing a dispenser that linearly discharges the heat shield material toward the crown surface; and
moving an applied position of the heat shield material with respect to the crown surface in a circumferential direction of the crown surface, while discharging the heat shield material from the dispenser toward the crown surface,
wherein the dispenser is a paint dot gun that discharges dots of the heat shield material at a given interval, and
wherein the dots of the heat shield material spread and become continuous from each other in the circumferential direction of the crown surface.