US PATENT SUBCLASS 53 / 103
.~.~.~ Atmospheric pressure

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

79  DF  GAS FILLING AND/OR EVACUATING OF RECEPTACLE AND CLOSING {5}
86  DF  .~ Within enclosure {5}
97  DF  .~.~ With closure assembling means {4}
103.~.~.~ Atmospheric pressure {3}
104  DF  .~.~.~.~> With fluid system intensifier
105  DF  .~.~.~.~> Flexible diaphragm
106  DF  .~.~.~.~> Pressure platen {1}

DEFINITION

Classification: 53/103

(under subclass 97) Apparatus wherein the application of atmospheric pressure is the means serving to hold or retain a closure in sealing position.