US PATENT SUBCLASS 425 / 145
.~ Feed control of material en route to shaping area

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

135  DF  CONTROL MEANS RESPONSIVE TO OR ACTUATED BY MEANS SENSING OR DETECTING A CONDITION OR MATERIAL TRIGGERED {8}
145.~ Feed control of material en route to shaping area {3}
146  DF  .~.~> By pressure actuated valve
147  DF  .~.~> By stopping or adjusting flow responsive to material level in collector or mold
148  DF  .~.~> By means responsive to weight of feed material

DEFINITION

Classification: 425/145

(under subclass 135) Apparatus in which the means controlled regulates the flowing or conveying of molding material to a shaping area.

SEE OR SEARCH THIS CLASS, SUBCLASS:

447+, for forming surfaces and means feeding fluent stock thereto; see search notes thereto.