(under subclass 349) Apparatus having means for reducing the temperature of the work.
(1) Note. The devices of this subclass are usually for the purpose of setting a heat fused joint. However, the subclass is not so limited, including any device for cooling the work or heat exchange means preventing heating of the work by abstracting heat therefrom.
SEE OR SEARCH THIS CLASS, SUBCLASS:
89.11+, for laminating methods involving a refrigerating or freezing step.
SEE OR SEARCH CLASS
62, Refrigeration, appropriate subclasses, for cooling devices, per se.