US PATENT SUBCLASS 53 / 406
.~.~ With gas igniting

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}
406.~.~ With gas igniting

DEFINITION

Classification: 53/406

With gas igniting:

(under subclass 403) Methods including the step or steps of causing combustion of the gas or gases with which a receptacle is charged.

(1) Note. The combustion of the gas or gases is usually restricted to the head space and area adjacent to the head space of a receptacle so as to sterilize and/or create an inert atmosphere in said head space.