US PATENT SUBCLASS 425 / 97
.~.~ By means injecting material into extrusion head or nozzle

Current as of: June, 1999
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425 /   HD   PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS

90  DF  WITH MEANS APPLYING COATING (E.G., PARTING, ETC.) MATERIAL TO WORK OR WORK CONTACT MEANS {8}
96  DF  .~ Separate means applying material directly to shaping means, dough divider trap chamber, or between work and shaping means {3}
97.~.~ By means injecting material into extrusion head or nozzle

DEFINITION

Classification: 425/97

(under subclass 96) Apparatus wherein the means introduces the coating or parting material into an extrusion head or nozzle.