Method and apparatus for producing nickel shell molds

Coating apparatus – Gas or vapor deposition – Work support

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C23C 1600

Patent

active

054074878

ABSTRACT:
A method and apparatus for producing a nickel shell mold by nickel vapour deposition onto a mandrel in a deposition chamber is disclosed. A nickel shell mold assembly is produced having a liquid and vapour-tight cavity co-extensive with the mandrel for receiving a heating fluid, preferably a liquid such as oil, for flood heating of the mandrel to a uniform surface temperature.

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