US PATENT SUBCLASS 425 / 406
PRESS FORMING APPARATUS HAVING OPPOSED PRESS MEMBERS

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


425 /   HD   PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS

406PRESS FORMING APPARATUS HAVING OPPOSED PRESS MEMBERS {6}
407  DF  .~> Including both heating and cooling means
408  DF  .~> Opposed, registering, coacting mold cavities
409  DF  .~> Pressure applying member mounted for arcuate motion
410  DF  .~> Periphery of female mold limiting the movement of a dynamic press member
411  DF  .~> Opposed press shaping members insertable between opposed pressure applying means
412  DF  .~> Male shaping member and female mold {11}

DEFINITION

Classification: 425/406

(under the class definition) Apparatus comprising opposed cooperating shaping surfaces having relative movement for exerting compressive force on material therebetween to impart a desired shape thereto.

(1) Note. Injection molding apparatus of somewhat similar structure are excluded; see the search notes below for such devices.

SEE OR SEARCH THIS CLASS, SUBCLASS:

11+, for product or preform repair devices utilizing a press.

110+, especially 128 for press shaping devices used in forming composite articles.

175+, for press means for forming a mold. 193+, for press means including an assembly or dismantling feature.

218+, for a female mold having a charge inlet and cooperating means to smooth or remove the fluent stock at the orifice.

335+, for sets of shaping couples including an endless surface.

338+, for gang-presses.

346+, for sets of male-female press molds.

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

356+, for a female mold coacting with plural plungers or rolls.

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

363+, for an endless surface press couple.

383+, for press means for reshaping a preform.

450.1+, for means to open and close injection molding means.

457, for a dynamic male shaping member, per se. 542+, for injection molding apparatus including means to charge fluent stock under pressure thereto.