Abstract: A manufacturing method of metal and plastic composite bodies integrated by etching a surface of a metal member and forming a thermoplastic resin on an etching surface may include forming a printing layer which prints a pattern or a character on an exposed surface of a metal member and a protective layer for protecting the printed pattern thereon, grease-removing and cleaning to remove a passivation oxidized film at a rear side of the metal member to be integrally coupled with a plastic portion, surface-treating a surface by using and etching a ferric chloride solution in a range of pH 3 to 4.5 so as to form a minute unevenness at the rear side, removing a smut generated in the surface-treating process, and molding for integrally forming the plastic portion with the metal member.
Type:
Grant
Filed:
November 16, 2015
Date of Patent:
February 21, 2017
Assignees:
Hyndai Motor Company, Kia Motors Corporation, Hankook National Co., Ltd.
Inventors:
Byung Seob Yu, Yang Gi Lee, Chan Mook Choi, Hyung Chul Kim
Abstract: A manufacturing method of metal and plastic composite bodies integrated by etching a surface of a metal member and forming a thermoplastic resin on an etching surface may include forming a printing layer which prints a pattern or a character on an exposed surface of a metal member and a protective layer for protecting the printed pattern thereon, grease-removing and cleaning to remove a passivation oxidized film at a rear side of the metal member to be integrally coupled with a plastic portion, surface-treating a surface by using and etching a ferric chloride solution in a range of pH 3 to 4.5 so as to form a minute unevenness at the rear side, removing a smut generated in the surface-treating process, and molding for integrally forming the plastic portion with the metal member.
Type:
Application
Filed:
November 16, 2015
Publication date:
August 4, 2016
Applicants:
Hyundai Motor Company, Kia Motors Corporation, Hankook National Co., Ltd.
Inventors:
Byung Seob YU, Yang Gi LEE, Chan Mook CHOI, Hyung Chul KIM