Patent ID: 6080495
Filing Date: 2000-06-27
Classification: B32B,E04C,E04F,Y10T

Abstract:
A structural panel comprising:at least one metal face sheet made of a durable metallic material having a high tensile strength, anda core body having two outer plastic liner sheets fusion-bonded to linear ends of inner plastic truss elements spaced apart with open spaces there between extending in a plane direction of the plastic liner sheets,wherein one of the outer plastic liner sheets of the core body is bonded with an adhesive layer to an inner surface of the at least one face sheet in which the inner surface of the metal face sheet and the surface of the outer plastic liner sheet are treated with an electron plasma surface treatment to remove foreign substances therefrom and the treated surface of the metal face sheet and of the outer plastic liner sheet are bonded together with an adhesive layer said bonding with the adhesive layer providing a high strength bonding characteristic to the structural panel with low risk of delamination in use.