US PATENT SUBCLASS 162 / 375
.~ With heat exchange means


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

232  DF  APPARATUS {22}
375.~ With heat exchange means {2}
376  DF  .~.~> Heated foraminous forming mold
377  DF  .~.~> Heated die {1}


DEFINITION

Classification: 162/375

(under subclass 232) Apparatus having means to modify the temperature of the work or any portion of the apparatus.

(1) Note. Included in this subclass are molding devices combined with separate heated drying means, ovens, etc., for drying the molded product and also heat exchange means directly associated with the molding device for heating the device.

SEE OR SEARCH THIS CLASS, SUBCLASS:

121, for processes of winding or roll forming utilizing heat.

192, for processes utilizing electrical or wave energy, which energy may generate heat in the product.

207, for processes producing or treating running length work

involving a heating step. 224, and 226, for processes involving a step of heating discrete articles.

290, for the combination of means producing and endless web and separate heat exchange means.

359, for press and felt devices with separate heated drying means.

SEE OR SEARCH CLASS

34, Drying and Gas or Vapor Contact With Solids, appropriate subclasses for drying means, per se, and see the class definition of that class (34) for the locus of other heating and/or drying devices.