US PATENT SUBCLASS 425 / 431
.~ Including tamper

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

425  DF  FEMALE MOLD INCLUDING TAMPING MEANS OR MEANS UTILIZING MOLD MOTION TO DISTRIBUTE OR COMPACT STOCK THEREIN {7}
431.~ Including tamper

DEFINITION

Classification: 425/431

(under subclass 425) Apparatus comprising a rod-like element to compact material within the female mold by a poking action.

SEE OR SEARCH THIS CLASS, SUBCLASS:

206, for forming means or mold and an agitating or kneading means to mix the material in the forming means or mold.

421, for a tamper or vibrator in a female mold-plunger type press shaping couple.

424, for the combination of a female mold, tamper and release means for the product.

428, for a tamper in a female mold and core combination wherein there is relative rotation between the mold and core.