US PATENT SUBCLASS 425 / 438
.~ By means releasing article from interiorly placed shaping surface


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

436 R  DF  SHAPING SURFACE INCLUDING MEANS TO RELEASE OR REMOVE PRODUCT FROM SHAPING SURFACE {7}
438.~ By means releasing article from interiorly placed shaping surface


DEFINITION

Classification: 425/438

(under subclass 436) Apparatus comprising a member around which the article is formed and means causing the article to be released from the member.

SEE OR SEARCH THIS CLASS, SUBCLASS:

577, for injection mold apparatus utilizing a core and means to release or remove the core from the product.