(under the class definition) Apparatus including means to remove objectionable matter (e.g.., dust, particulate material, vapor, etc..) from the atmosphere surrounding a molding device to thereby clean and purify said atmosphere.
SEE OR SEARCH THIS CLASS, SUBCLASS:
73+, for a molding apparatus or plant including a ventilating or drier-type hand or chamber encasing a material handler.
225+, for a molding machine or device combined with separate and distinct means to clean a part thereof.
