Improvements relating to bonded bimetallic tubes and their manufacture

摘要

973,802. Metal tubes. FAIREY ENGINEERING Ltd. April 10, 1961 [Jan. 11, 1960], No. 985/60. Drawings to Specification. Heading F2P. [Also in Divisions B3 and F4] A bi-metallic tube comprises an inner tube of copper or copper alloy around which is a cast outer layer of aluminium or aluminium alloy metallurgically bonded to the copper tube.