Patent ID: 7004374
Filing Date: 2006-02-28
Classification: B21C,B23K

Abstract:
1. A process of making a shaped product comprising the steps of: providing an intermediate object formed of aluminum or an aluminum alloy to have at least one flat surface coating the at least one flat surface with a flux composition to form a coating on the at least one flat surface, the flux composition comprising particles of a braze flux material and a binder containing at least 10% by weight of synthetic resin based, as its main constituent, on methacrylate homopolymer or a methacrylate copolymer, wherein the weight ratio of the braze flux material to the synthetic resin in the flux composition is in the range from 9:1 to 3:2, reshaping the intermediate object into the shaped product, and heating the shaped product to a temperature sufficient to provide at least one brazed connection between portions of the shaped product.