(under the class definition) Apparatus which comprises a means (e.g.., a vibrator or tamp rod, etc..) disturbing the equilibrium of particles of fluent material by causing relative motion thereof to cause the material to be compacted and means to supply energy to the disturbing means.
SEE OR SEARCH THIS CLASS, SUBCLASS:
424, for a female mold, a vibrator, and a product release means.
425+, for a female mold utilizing mold motion, including vibrating or tamping to compact or distribute work therein.
428, for the combination of a relatively moving female shaping means, a male shaping means and tamping means.
SEE OR SEARCH CLASS 53, Package Making,
525, for package making apparatus including agitating means for compacting the material being packed.
601, Surgery: Kinesitherapy,
46+, for kinesitherapy apparatus comprising vibrators.