US PATENT SUBCLASS 162 / 290
.~.~ Molding and heat exchange means


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}
290.~.~ Molding and heat exchange means


DEFINITION

Classification: 162/290

(under subclass 289) Apparatus having foraminous forming means and including in combination therewith means to alter the temperature of the formed article.

(1) Note. In this subclass may be found, for example, the combination of web forming means and separate web drying means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

121, for processes for winding or roll forming including a step of heating the article.

135+, for processes involving a step of coating a product after drying.

192, for processes involving the application of electrical or wave energy to the product, which energy may heat the product. 206, and 207, for processes for the subsequent treatment of a formed web including the step of heating or cooling the formed web.

224+, and 226, for article heating processes.

359, for the combination of a press and felt with separate heated drying means.

375+, for apparatus including heating means for discrete articles as distinguished from endless webs of the instant subclass.

SEE OR SEARCH CLASS

34, Drying and Gas or Vapor Contact With Solids, appropriate subclasses, for drying, per se, of formed pulp articles and especially

110+, for external drum type driers and subclasses 611+ for devices for drying sheet, web or strand form work.

100, Presses,

300+, for heated presses, per se.