Patent ID: 7858179
Filing Date: 2010-12-28
Classification: B29C,B29K,B29L,B32B,Y10T

Abstract:
1. A laminated metal plate in which a laminated metal plate in which a joint surface of a metal plate with a thickness of 0.1 mm to 1.00 mm and without a pretreatment like degreasing, washing, a chemical conversion treatment or a primer treatment, is flamed with a direct fire of 1400° C. to 1600° C. to directly join a plastic film under pressure, wherein said plate is made by a method comprising the steps of: using a fluorine resin film as the plastic film, flaming the joint surface of the metal plate with a direct fire of 900° C. to 1200° C. for 1 to 5 seconds prior to the above-mentioned flame treatment, so that the temperature of the joint surface may be preheated to 40° C. to 70° C., and then heating the joint surface of the metal plate by the follow-on flame treatment so that the temperature of the joint surface is heated to 250° C. to 450° C.