US PATENT SUBCLASS 165 / 84
WITH MEANS FLEXING, JARRING OR VIBRATING HEAT EXCHANGE SURFACE

Current as of: June, 1999
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165 /   HD   HEAT EXCHANGE

84WITH MEANS FLEXING, JARRING OR VIBRATING HEAT EXCHANGE SURFACE

DEFINITION

Classification: 165/84

(under the class definition) Apparatus having means by which a wall through which heat is transferred is intermittently flexed or distorted.

SEE OR SEARCH CLASS

15, Brushing, Scrubbing, and General Cleaning,

104.07, for a pipe and tube cleaning hammer and subclass 104.08 for a device for cleaning a pipe or tube by deforming it.