Exhaust pipe and method for manufacturing exhaust pipe

摘要

An exhaust pipe includes a base material, a surface coating layer, and an information display. The base material is made of a metal. The surface coating layer is provided on a surface of the base material. The surface coating layer includes an amorphous inorganic material. The information display includes a character portion and a background portion. At least one of the character portion and the background portion is located in the surface coating layer.

主权项

1. An exhaust pipe comprising:
a base material made of a metal; a surface coating layer provided on a surface of said base material, the surface coating layer comprising an amorphous inorganic material; and an information display comprising a character portion and a background portion, at least one of said character portion and said background portion being located in said surface coating layer, wherein said surface coating layer includes a first of the surface coating layer in which the character portion is located and a second part of the surface coating layer in which the background portion is located, and wherein a thickness of the first part of the surface coating layer is greater than a thickness of the second ma of the surface coating layer.