US PATENT SUBCLASS 425 / 417
.~.~ Expansible male shaping member

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

406  DF  PRESS FORMING APPARATUS HAVING OPPOSED PRESS MEMBERS {6}
412  DF  .~ Male shaping member and female mold {11}
417.~.~ Expansible male shaping member

DEFINITION

Classification: 425/417

(under subclass 412) Apparatus in which the male shaping member includes means to increase the area of its pressing surface while applying pressure to material being shaped within the female mold.

SEE OR SEARCH THIS CLASS, SUBCLASS:

11+, for especially subclasses 23+ and 27+ for expansible male shaping members designed for use in tire repair apparatus.

28.1+, for expansible male shaping members used in tire manufacture apparatus.

283, for expansible shaping members for excavating from a bulk source with simultaneous shaping.

368, for an expansible roll in a press couple.

438, for contractible shaping members for releasing products therefrom.