CONDUCTION HEATER AND MANUFACTURE THEREOF

摘要

The disclosure describes a device for the conductive heating and/or cooling of an article. It comprises a metallic casting, a hollow element substantially entirely encapsulated by the casting, opposite end portions of said hollow element being exteriorly exposed by projecting outwardly through an exterior peripheral portion of the casting. At least one sleeve surrounds the hollow element and is encapsulated by the casting. The sleeve has a threaded bore and there is a bore in the casting aligned with the threaded bore. The bores are in open communication with each other. The bore of the casting opens outwardly through a peripheral exterior surface o-f the casting.