Machines in which the cleaning of hollow ware, as bottles, is accomplished by the violent agitation within the bottle of shot, sand, or equivalent granular material.
SEE OR SEARCH THIS CLASS, SUBCLASS:
96,
SEE OR SEARCH CLASS
29, Metal Working,
90.7, for shot blasting metal and nonmetal for the purpose of compacting the surface thereof.
175, Boring or Penetrating the Earth,
54, for an earth boring device comprising recirculating unsupported elements (e.g., shot) to disintegrate the material of the earth.
