US PATENT SUBCLASS 425 / 392
.~ Rod or tubular preform

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

383  DF  PREFORM RESHAPING OR RESIZING MEANS: OR VULCANIZING MEANS INCLUDING A CONFORMING PREFORM SUPPORT {10}
392.~ Rod or tubular preform {1}
393  DF  .~.~> Mandrel to interiorly support work and means urging work against mandrel

DEFINITION

Classification: 425/392

(under subclass 383) Apparatus peculiarly adapted to reshape or size rod or tube like preforms.

SEE OR SEARCH THIS CLASS, SUBCLASS:

66, for apparatus under the class definition combined with a

stretching means comprising advancing means for continuous length work.

76, for a means imparting irregular denier to a filament.

325+, for a preform reshaping means downstream of an extrusion shaper, see especially subclass 326.1 for reshaping means to blow a tube into a receptacle.

522+, for means to blow a tube into a receptacle (e.g.., bottle, etc..). SEE OR SEARCH CLASS

65, Glass Manufacturing,

276+, for the combination of reheating means and mechanical means to reshape tubular type glass preforms and subclasses 292+ for reshaping means for cylindrical preforms of glass.