.~.~.~ To transport casting material to mold (e.g., vacuum forming, etc.)
DEFINITION
Classification: 164/63
(under subclass 61) Process wherein the pressure differential created by the vacuum effects the transport of the casting material to the mold cavity thus effecting the shaping of the material.
(1) Note. Included herein are those processes of applying a vacuum through a mold to obtain a more perfect reproduction.