Patent ID: 8516679

Claim:
A method for surface grinding finish of a metal plate in which decoration is applied to a front surface of the metal plate that is welded linearly with penetration from a rear surface side thereof, the method comprising: disposing a pattern having at least sections that are continuous or arranged in a direction of a weld line and discontinuous in a direction crossing the weld line so as to cover both a surface of a weld line portion and a surface of a non-weld line portion of the metal plate, and the sections of the pattern being formed such that a difference in one of hue, chroma, and lightness between a section and each of the surface of the weld line portion and the surface of the non-weld line portion of the metal plate is larger than a difference in the one of hue, chroma, and lightness between the surface of the weld line portion and the surface of the non-weld line portion.