US PATENT SUBCLASS 162 / 245
.~.~ Removable basket or retaining means

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

232  DF  APPARATUS {22}
233  DF  .~ Digester {12}
245.~.~ Removable basket or retaining means

DEFINITION

Classification: 162/245

(under subclass 233) Apparatus having means separable from the digester for either (1) containing a charge of material undergoing treatment or (2) constraining a charge from movement within the digester.