US PATENT SUBCLASS 425 / 137
.~.~ Means responsive to material remaining in mold from previous molding operation

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}
136  DF  .~ Means responsive to abnormal condition completely stop operation of machine {2}
137.~.~ Means responsive to material remaining in mold from previous molding operation

DEFINITION

Classification: 425/137

(under subclass 136) Apparatus wherein the sensing means detects the presence of residual molding material, left in the molding cavity, from a previous molding operation.