US PATENT SUBCLASS 53 / 275
.~.~ Closure within or forming wall of pressure chamber

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

266.1  DF  MEANS TO FILL AND CLOSE PREFORMED RECEPTACLE {10}
268  DF  .~ With common fill-close stations {7}
275.~.~ Closure within or forming wall of pressure chamber

DEFINITION

Classification: 53/275

(under subclass 268) Apparatus wherein a closure is either within or forms a sealing portion of a pressure or vacuum system established during filling of the receptacle.

(1) Note. Included in this subclass are those devices wherein individual closures are inserted within a fill-close mechanism and the mechanism is then applied to a receptacle for filling and closing the individual receptacle.