US PATENT SUBCLASS 53 / 442
.~.~ By heating

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

396  DF  METHODS {22}
441  DF  .~ Conforming by stretching or shrinking of cover over contents {1}
442.~.~ By heating

DEFINITION

Classification: 53/442

By heating:

(under subclass 441) Methods including applying heat to cause the cover material to shrink into conformance with the contents.

SEE OR SEARCH THIS CLASS, SUBCLASS:

557, for corresponding apparatus.