B - Operations – Transporting – 22 – C
Patent
B - Operations, Transporting
22
C
22/122, 22/164
B22C 7/02 (2006.01) B22C 9/04 (2006.01) B22C 9/22 (2006.01)
Patent
CA 1064220
ABSTRACT OF THE DISCLOSURE In the manufacture of hollow cast articles such as turbine blades or vanes, the article is cast in opposed halves on opposite sides of a "strong back" or mid-section, to which wax patterns are attached for the preparation of a shell mold around the strong back and patterns. The article halves, after removal from the mold, are bonded together.
230789
Hayes Douglas R.
Phipps Charles M.
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