Method of duplicating shapes and finishes

Details Method of duplicating shapes and finishes Method of duplicating shapes and finishes

B - Operations, Transporting

29

C

18/1163

B29C 69/00 (2006.01)

Patent

CA 1196164

ABSTRACT OF THE DISCLOSURE A method of duplicating shapes comprises producing a master pattern, producing a sand mold negative of the master pattern, casting a replica of the master pattern from the sand mold, producing a vacuum forming pattern, producing a vacuum formed separation sheet on the vacuum forming pattern, covering surfaces of the replica with the vacuum formed separation sheet, packing a plastic material against the vacuum formed separation sheet in the mold, and causing the plastic mix to harden. The method is useful for the manufacture of an automobile steering wheel.

419549

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