US PATENT SUBCLASS 53 / 375.9-- .~.~ With means to heat or cool seam

US PATENT SUBCLASS 53 / 375.9
.~.~ With means to heat or cool seam

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

285	DF	CLOSING PACKAGES AND FILLED RECEPTACLES {7}
375.8	DF	.~ By means adapted to engage overlapped seam {2}
375.9		.~.~ With means to heat or cool seam

DEFINITION

Classification: 53/375.9

With means to heat or cool seam:

(under subclass 375.8) Apparatus in which means is provided to apply or remove thermal energy from engaging surfaces of the cover.

SEE OR SEARCH THIS CLASS, SUBCLASS:

373.7+, for apparatus having means to apply or remove heat from an outturned seam without a pleat, and see the notes thereto for heat sealing elsewhere classified.

SEE OR SEARCH CLASS

219, Electric Heating, for heating by electrical resistance, especially

59.1+, and 78.16, respectively, for heating a metal tube by the use of electrically generated heat, and subclasses 603+ for inductive heating of metal tubes.