(under subclass 271) Apparatus directed to a, per se, member which forms a part of the mold shaping surface and which has a heat conductivity much greater than that of the remaining parts of the mold.
(1) Note. A chill for this subclass must be disclosed for use in a sand-type shaping surface and must aid in the actual shaping of the cast material.
(2) Note. The chills found herein generally comprise a formed metal shaping surface.
SEE OR SEARCH THIS CLASS, SUBCLASS:
107, for process of compositing by shaping metal and uniting to a preform which is utilized to chill the cast metal.
127, for a casting process employing a chill member to control solidification. 138, for a casting process utilizing a particular shaping surface material.
348, for metal shaping apparatus including particular means to apply coolant.
352+, for sand-type shaping surface in combination with a metal chill.
412, for a, per se, chill member which does not form a part of the mold shaping surface.
