(under subclass 222) Method or apparatus involving the
removal of laterally projecting fibrils, fuzz and the like from the surface of the thread by combustion or by the application of heat thereto of sufficient temperature or intensity to induce melting or flow of such impurities if of a plastic nature.
SEE OR SEARCH THIS CLASS, SUBCLASS:
174, for singeing of a plurality of threads in the form of a warp sheet.
SEE OR SEARCH CLASS
26, Textiles: Cloth Finishing,
3+, for burning or scorching the projecting fibers or threads of cloth. 69, Leather Manufactures,
7.5, for machines for searing leather.
118, Coating Apparatus,
47, for coating apparatus including means to subject either the coated surface or the surface to be coated to a flame or fire.
219, Electric Heating, appropriate subclass for electric heater structure, per se, and
223, for electrical heating means adapted to contact the hair or to be used with additional structure to transmit its heat to the hair for the purpose of hair singeing.
427, Coating Processes,
223+, for subjecting a coating or surface to be coated to contact with a flame.
431, Combustion, appropriate subclass for burner structure, per se.