US PATENT SUBCLASS 34 / 647
.~.~.~.~.~ Zigzag runs of treated material

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

523  DF  APPARATUS {40}
611  DF  .~ Sheet, web, or strand {3}
618  DF  .~.~ For flexible sheet, web, or strand {6}
623  DF  .~.~.~ Running length {5}
629  DF  .~.~.~.~ With gas or vapor circulation for contact with treated material {15}
647.~.~.~.~.~ Zigzag runs of treated material {4}
648  DF  .~.~.~.~.~.~> Including material tension adjusting means
649  DF  .~.~.~.~.~.~> Including gas or vapor recirculation
650  DF  .~.~.~.~.~.~> Including endless conveyors
651  DF  .~.~.~.~.~.~> Plural zones or chambers

DEFINITION

Classification: 34/647

Zigzag runs of treated material:

(under subclass 629) Subject matter including means to guide the running length in a tortuous path having a guiding means at each bend.

SEE OR SEARCH CLASS

68, Textiles: Fluid Treating Apparatus, particularly

158, 159, and 160.

226, Advancing Material of Indeterminate Length, may include a nominal recitation of a supply or take-up coil (e.g., less than a support for such a coil or a cooperative relationship between a tension or exhaust detector and reel driving or reel stopping means, etc.),

118.1+, for plural material moving means having intermediate storage.