US PATENT SUBCLASS 53 / 407
.~.~ With steam filling

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

396  DF  METHODS {22}
403  DF  .~ Gas filling and/or evacuating and closing {5}
407.~.~ With steam filling

DEFINITION

Classification: 53/407

With steam filling:

(under subclass 403) Methods including the step or steps of utilizing water vapor.

(1) Note. The steam is used to sterilize and/or assist in the creation of a vacuum within the head space of a receptacle.

SEE OR SEARCH THIS CLASS, SUBCLASS:

79+, especially subclass 110 for apparatus which applies steam to the head space of a receptacle.