.~ Automatic and/or material-triggered control {9}
359
.~.~ Of temperature and/or motion of heat exchange means
DEFINITION
Classification: 156/359
(under subclass 350) Apparatus in which (1) the temperature of a portion of the apparatus is controlled and/or (2) the movement of said portion of the apparatus to apply or vary the degree of heat exchange is controlled.
(1) Note. Mere thermostatic control to only maintain constant temperature of a tool, material or work is conventional and excluded from this subclass. Search for such subject matter should be made in various classes providing for heating or heat controls.
