US PATENT SUBCLASS 53 / 372.3
.~.~.~ Means to cool seam

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

285  DF  CLOSING PACKAGES AND FILLED RECEPTACLES {7}
370.2  DF  .~ Including provision for pleat of cover overhang {7}
370.7  DF  .~.~ With means to heat or cool seam {5}
372.3.~.~.~ Means to cool seam

DEFINITION

Classification: 53/372.3

Means to cool seam:

(under subclass 370.7) Apparatus in which the means is provided to remove thermal energy from engaging surfaces of the cover.