(under subclass 105) Apparatus wherein the filling means includes means defining a reservoir for molten material enabling the material to flow into the mold cavity during solidification of the material in said cavity, thereby compensating for the liquid-to-solid contraction of the product; said filling means also functioning as a gravitational separator by collecting the impurities in the product.
SEE OR SEARCH THIS CLASS, SUBCLASS:
79+, for molding apparatus of this type having heating or cooling means.
82, for molding apparatus having means other than a fluid head to compensate for the change in volume of either the
product or the mold during the molding operation.
134, for molding apparatus wherein expansion or contraction is compensated for by the material from which said apparatus is constructed.
