US PATENT SUBCLASS 34 / 418
.~ Diverse types of drying operations

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

282  DF  PROCESS {24}
418.~ Diverse types of drying operations {3}
419  DF  .~.~> Sheet, web, or strand {2}
423  DF  .~.~> Sequential drying treatments {2}
426  DF  .~.~> Plural treatments at same location

DEFINITION

Classification: 34/418

Diverse types of drying operations:

(under subclass 282) Process in which two or more distinct drying operations are used.

(1) Note. Where a plurality of drying operations of the same type are employed, the patent is in the appropriate succeeding subclass.

SEE OR SEARCH THIS CLASS, SUBCLASS:

68, to complete the search for the apparatus.

443, for the application of a flame to the material.

498, for agitation or other motion of the treated material.

516, and 517, for sequential treatment of material with diverse gases or vapors.