US PATENT SUBCLASS 425 / 412
.~ Male shaping member and female mold

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.~ Male shaping member and female mold {11}
413  DF  .~.~> Including pallet handling means
414  DF  .~.~> Including means to insert or remove core
415  DF  .~.~> Female mold movably associated with opposed press surfaces position therein
416  DF  .~.~> Male shaping member penetrating superposed mold
417  DF  .~.~> Expansible male shaping member
418  DF  .~.~> Means rotating male shaping members
419  DF  .~.~> Including means varying pressure of male shaping member during pressing
420  DF  .~.~> Including provision to remove entrained gas
421  DF  .~.~> Including vibrator or tamper
422  DF  .~.~> With positive means to remove or eject product
423  DF  .~.~> Female mold moving into a mating relationship with a male shaping member

DEFINITION

Classification: 425/412

(under subclass 406) Apparatus comprising a male shaping member adapted to penetrate within a female mold cavity to exert a compressive force on a plastic material contained therein.

(1) Note. The device must include means to move either the male member or the female mold into an operative association.

SEE OR SEARCH THIS CLASS, SUBCLASS:

23+, for a female tire repair mold and a male shaping member.

35+, for a female tire mold and a male shaping member.

117+, for devices uniting a preform to a fluent material within a female mold which devices may include a male shaping member.

195, for a press shaping surface and a female mold including an assembly or dismantling means. 346+, for sets of male-female press molds.

352+, for a female mold and opposed co-axial dynamic press members.

356+, for plural female mold cavities and a single press member.

398, for reshaping presses including a plunger and a female mold.

426+, for a female mold and a relatively moving internal reshaping member.

542+, for a discharge assistant which provides a shaping surface in a combination comprising a female mold and means to charge fluent stock thereto under pressure.