US PATENT SUBCLASS 65 / 530
.~.~ Having gas feeding or withdrawal means

Current as of: June, 1999
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65 /   HD   GLASS MANUFACTURING

483  DF  FIBER MAKING APPARATUS {21}
529  DF  .~ Having coating or treating means {1}
530.~.~ Having gas feeding or withdrawal means {2}
531  DF  .~.~.~> Having soot forming flame hydrolysis burner (e.g., flame oxidation, etc.)
532  DF  .~.~.~> With means for recovery, recirculation, or elimination of excess gas feed or coating material

DEFINITION

Classification: 65/530

Having gas feeding or withdrawal means:

(under subclass 529) Apparatus comprising a means for (a) directing a gas to or (b) removing a gas from an area surrounding the fiber, filament, or fiber preform.