US PATENT SUBCLASS 162 / 293
.~.~ Product slides relative to molding surface (e.g., extrusion molding)


Current as of: June, 1999
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162 /   HD   PAPER MAKING AND FIBER LIBERATION

232  DF  APPARATUS {22}
289  DF  .~ Running or indefinite length product forming and/or treating means {19}
293.~.~ Product slides relative to molding surface (e.g., extrusion molding)


DEFINITION

Classification: 162/293

(under subclass 289) Apparatus in which an endless molded product is formed on a molding surface of a limited length.

(1) Note. In this subclass may be found, for example, apparatus for producing an endless waterlaid tube of pulp material on a short foraminous core through which the carrier fluid is removed from the pulp, the endless tube as it is formed being continuously removed from the core.

(2) Note. The means of this subclass are in some respects analogous to the continuous casting devices of Class 164, Metal Founding, the plastic metal shaping devices of Class 72, Metal Deforming, subclasses 253.1+, and Class 425, Plastic Article or Earthenware Shaping or Treating: Apparatus.

SEE OR SEARCH CLASS

72, Metal Deforming,

253.1+, and see (2) Note Above.

164, Metal Founding, 273+, for continuous casting devices and see (2) Note above.

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

376.1+, for extrusion shaping apparatus for nonmetals not otherwise provided for; see the search notes thereunder.