US PATENT SUBCLASS 53 / 79
GAS FILLING AND/OR EVACUATING OF RECEPTACLE AND CLOSING

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

79GAS FILLING AND/OR EVACUATING OF RECEPTACLE AND CLOSING {5}
80  DF  .~> Including soldering means {2}
84  DF  .~> Pressure responsive and/or regulation
85  DF  .~> Enclosure responsive
86  DF  .~> Within enclosure {5}
110  DF  .~> Within tunnel

DEFINITION

Classification: 53/79

(under the class definition) Apparatus including means to charge and/or evacuate receptacles with gas or vapor only combined with means to complete the receptacle enclosure.

(1) Note. The Notes under subclasses 403, 405 and 408 must be referred to as most of said notes apply to this subclass with equal force.

(2) Note. This subclass is restricted to gas or vapor handling in combination with closing. Any additional filling with and/or treatment of articles or fluent material require that the combination be classified in the appropriate subclasses below.

SEE OR SEARCH THIS CLASS, SUBCLASS:

266.1+, for apparatus to the combination of means for filling and closing a preformed receptacle; particularly, subclass 267 for gas or vapor handling in conjunction with filling and closing of a performed receptacle.

403+, for processes of charging receptacles with gas and/or evacuating receptacles and completing the enclosure. 432+, for the process of treating the contents of a package by application of vacuum or gas.

510+, for apparatus to treat the contents with a vacuum and/or an inert atmosphere.

SEE OR SEARCH CLASS

141, Fluent Material Handling, With Receiver or Receiver Coacting Means,

37+, for closed systems which handle diverse fluids, one usually a gas, in such a way as to modify the gaseous content of a receiver, and subclasses 65+ for evacuation apparatus including filling with gas.

312, Supports: Cabinet Structure,

31+, for miscellaneous containers combined with means to treat contained material or articles with a gas or vapor.