US PATENT SUBCLASS 264 / 441
.~.~.~.~ Producing filament

Current as of: June, 1999
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264 /   HD   PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

405  DF  DIRECT APPLICATION OF ELECTRICAL OR WAVE ENERGY TO WORK (E.G., ELECTROMAGNETIC WAVE, PARTICULATE, MAGNETIC, INDUCTION HEAT, SONIC, ELECTROSTATIC ENERGY, ETC.) {26}
437  DF  .~ Conveying or aligning particulate material {1}
438  DF  .~.~ Utilizing electrostatic charge {1}
439  DF  .~.~.~ Simultaneously with molding {2}
441.~.~.~.~ Producing filament

DEFINITION

Classification: 264/441

Producing filament:

(under subclass 439) Processes wherein a fine threadlike body or structure whose width and thickness are of the same order of magnitude is formed.