(under the class definition) Device comprising an applicator and means to move said applicator to deliver a series of blows against the work, which series of blows contributes to the formation of a fusion-bonded seam.
(1) Note. Any deformation of the work by such applicator is considered to occur simultaneously with the fusion-bonding thereof, not before fusion.
SEE OR SEARCH THIS CLASS, SUBCLASS:
15+, for fusion-bonding apparatus including means for deforming work before fusion.
44.3+, for a device for delivering a single blow against the work.
SEE OR SEARCH CLASS 173, Tool Driving or Impacting,