US PATENT SUBCLASS 53 / 575
.~.~ Hollow forming mandrel or plunger

Current as of: June, 1999
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53 /   HD   PACKAGE MAKING

558  DF  APPARATUS FOR FORMING OR PARTIALLY FORMING RECEPTACLE AND SUBSEQUENTLY FILLING {5}
574  DF  .~ Forming receptacles whereby the receptacle is subsequently filled while on the forming means {2}
575.~.~ Hollow forming mandrel or plunger {2}
576  DF  .~.~.~> Tubular receptacle stored on mandrel
577  DF  .~.~.~> Gathered mouth receptacle

DEFINITION

Classification: 53/575

Hollow forming mandrel or plunger:

(under subclass 574) Apparatus in which the die or form includes a part fitting within the receptacle, said part being provided with a space for receiving, or a channel for directing, the contents into the receptacle.

(1) Note. The hollow forming part may be either stationary, as a mandrel, or movable, as a plunger.

(2) Note. The hollow forming part may be the only forming part or it may be one of a plurality of cooperate forming means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

563, for devices for forming a receptacle around a mandrel, the receptacle being removed before filling.

SEE OR SEARCH CLASS

493, Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web, 162+, for forming a rigid container about a mandrel; and subclasses 25+ for forming a pliable container about a mandrel.