US PATENT SUBCLASS 432 / 83
.~ Work heat removed through heat transmitting wall

Current as of: June, 1999
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432 /   HD   HEATING

77  DF  WITH WORK COOLING STRUCTURE {5}
83.~ Work heat removed through heat transmitting wall {1}
84  DF  .~.~> Combustion feed material cools wall

DEFINITION

Classification: 432/83

(under subclass 77) Apparatus in which there is a solid barrier through which heat passes holding the work or work atmosphere separate from the cooling medium.