(under the class definition) Apparatus directed to a
container or enclosure for positioning around a sand mold to prevent the mold from spreading or breaking down when molten metal is poured into the cavity therein.
(1) Note. The mold jacket or slip box may function to align portions of plural part molds.
SEE OR SEARCH THIS CLASS, SUBCLASS:
374+, for mold shaping flasks or flask sections.
411+, for internal mold reinforcement members.
SEE OR SEARCH CLASS 269, Work Holders, appropriate subclasses for a "clamp" means, per se, to grasp or draw portions of a mold or flask together.