.~ Gas pressure storage over or displacement of liquid {5}
207.5
.~.~ With return of liquid to supply
DEFINITION
Classification: 137/207.5
(under subclass 206) Apparatus in which the liquid in one part of the system is allowed to flow back, is forced back, or is by-passed back to the source of supply, in order to empty the system for cleaning, storage, etc.
SEE OR SEARCH THIS CLASS, SUBCLASS:
239, for fluid handling systems of general application having means for reversing the normal direction of flow of the fluid for assisting in the cleaning of such systems.
SEE OR SEARCH CLASS
222, Dispensing,
318, for dispensing devices embodying discharge assisting means and having a bypass or return to supply.
