US PATENT SUBCLASS 53 / 478-- .~.~.~ Separate closure

US PATENT SUBCLASS 53 / 478
.~.~.~ Separate closure

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

396	DF	METHODS {22}
476	DF	.~ Closing package or filled receptacle {3}
477	DF	.~.~ By heat sealing {2}
478		.~.~.~ Separate closure

DEFINITION

Classification: 53/478

Separate closure:

(under subclass 477) Methods in which the closure element is independent of the cover receptacle until bonded thereto.

SEE OR SEARCH THIS CLASS, SUBCLASS:

471, for methods of filling and then closing a container with separate closure.

485, for methods of applying separate closures in the absence of heat sealing or bonding.

SEE OR SEARCH CLASS

156, Adhesive Bonding and Miscellaneous Chemical Manufacture,

69, for applying end closures to containers.