US PATENT SUBCLASS 34 / 556
.~.~.~ By web or strand tension or breaking

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

523  DF  APPARATUS {40}
524  DF  .~ With automatic control {11}
549  DF  .~.~ Of heater {7}
556.~.~.~ By web or strand tension or breaking

DEFINITION

Classification: 34/556

By web or strand tension or breaking:

(under subclass 549) Apparatus in which means responsive to degree of web or strand stretching or separation causes a heating control operation.

SEE OR SEARCH CLASS

226, Advancing Material of Indeterminate Length,

10+, for a material-advancing device that is responsive to the tension of a web or strand.