US PATENT SUBCLASS 53 / 480
.~.~ Closing preformed container deformed by contents
Current as of:
June, 1999
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53 /
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PACKAGE MAKING
396
DF
METHODS
{22}
476
DF
.~ Closing package or filled receptacle {3}
480
.~.~ Closing preformed container deformed by contents {1}
481
DF
.~.~.~
> By collapsing mouth portion (e.g., to form single flap) {2}
DEFINITION
Classification: 53/480
Closing preformed container deformed by contents:
(under subclass 476) Methods in which the cover comprises a flexible wall receptacle.
(1) Note. The receptacle is normally limp until filled and depends on the contents to render it freestanding.
(2) Note. The receptacle is usually made of thermoplastic material or paper.
SEE OR SEARCH THIS CLASS, SUBCLASS:
476, for methods of closing a package wherein the cover is a wrapper.
479, for heat sealing flexible wall receptacle and see the notes thereto for related art elsewhere classified.
