US PATENT SUBCLASS 53 / 561
.~.~ Molding or extruding a container

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}
559  DF  .~ Forming a pocket, depression, or hollow compartment by application of heat or pressure (e.g., stretch forming) {2}
561.~.~ Molding or extruding a container

DEFINITION

Classification: 53/561

Molding or extruding a container:

(under subclass 559) Apparatus for forming a discrete, thin-walled receptacle from thermoplastic material by

extrusion or blow molding of the material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

574+, for apparatus for filling receptacles while on the receptacle-forming means.

SEE OR SEARCH CLASS

425, Plastic Article or Earthenware Shaping or Treating: Apparatus,

326, and 387 for blow-molding devices.