US PATENT SUBCLASS 34 / 380
.~ With nondrying treating of material

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


34 /   HD   DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS

282  DF  PROCESS {24}
380.~ With nondrying treating of material {7}
381  DF  .~.~> Nondrying treating precedes drying {3}
385  DF  .~.~> Material shaping
386  DF  .~.~> Mixing or grinding
387  DF  .~.~> Shearing or comminuting
388  DF  .~.~> Compacting or restraining
389  DF  .~.~> Adding of nondrying treating substance {1}
391  DF  .~.~> Cooling of treated material {2}

DEFINITION

Classification: 34/380

With nondrying treating of material:

(under subclass 282) Process wherein in addition to the primary drying or gas or vapor contact with the treated material there is an additional treating applied other than drying.

(1) Note. Steps for moving, feeding, discharging, agitating, piling, arranging, or controlling the thickness of the material have been treated as incidents to drying or gas and vapor contact operations.

SEE OR SEARCH THIS CLASS, SUBCLASS:

428, for cooling the material by contact by gas or vapor.

443+, for a process wherein the gas or vapor contacts the material multiple times, even though the contacting gas or vapor moisture content is varied for the purpose of controlling the moisture content of the material undergoing treatment.