US PATENT SUBCLASS 53 / 373.8
.~.~.~ Spaced from cover during heating or cooling

Current as of: June, 1999
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53 /   HD   PACKAGE MAKING

285  DF  CLOSING PACKAGES AND FILLED RECEPTACLES {7}
373.2  DF  .~ By means adapted to engage outturned seam of package cover {6}
373.7  DF  .~.~ With means to heat or cool seam {5}
373.8.~.~.~ Spaced from cover during heating or cooling {1}
373.9  DF  .~.~.~.~> Comprising means to force heated fluid to contact cover

DEFINITION

Classification: 53/373.8

Spaced from cover during heating or cooling:

(under subclass 373.7) Apparatus wherein the means to apply or remove thermal energy is out of contact with the surfaces of the cover being treated.