Patent ID: 6063215
Filing Date: 2000-05-16
Classification: B22D

Abstract:
A method for the manufacture of casting belts for use in the casting of metals comprising the steps of:(a) providing an endless metal belt;(b) subjecting the belt to a heat treatment of solutionizing, quenching and tempering to improve its strength and decrease its stretchability;(c) treating the belt to introduce to the outer surface irregularities in that surface to improve uniformity of heat transfer between the belt and molten metal deposited thereon and to allow the collection of surface gases from between the surface of the belt and the metal deposited thereon; and(d) subjecting the belt to a thermal treatment under controlled conditions of an elevated temperature to form on the surface of the belt an oxide layer having a thickness sufficient to substantially minimize adhesion between metals deposited thereon and the surface of the belt.