US PATENT SUBCLASS 34 / 146
.~.~ Nonplanar press couples

Current as of: June, 1999
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34 /   HD   DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS

523  DF  APPARATUS {40}
143  DF  .~ Stationary press type {3}
146.~.~ Nonplanar press couples

DEFINITION

Classification: 34/146

(under subclass 143) Apparatus in which the pressing members, of nonplanar form are shaped to hold a solid to be treated. Many of these are matrix driers.