04143793 is referenced by 87 patents and cites 11 patents.

Apparatus for dispensing a carbonated beverage including a source of propellant gas, a reservoir for beverage to be dispensed, one or more dispensing valves connected to the reservoir, a propellant gas conduit for applying a first gaseous propellant pressure upon beverage supply vessels and for applying a second and lesser gaseous propellant pressure upon beverage in the reservoir, a beverage supply conduit for transferring beverage from a supply vessel to this reservoir and normally closed valves in the beverage supply and gas conduits, which valves are controllable by a level sensor in the reservoir; the apparatus also features structure for automatically switching from one supply vessel to another as vessels become emptied; a method of dispensing includes the steps of providing a supply of carbonated beverage, applying a first propellant pressure upon the supply, selectively transferring beverage from the supply to a reservoir, applying a second and lesser propellant pressure upon the reservoir and dispensing from the reservoir; there is also a step of automatically switching supply vessels as they become empty.

Title
Apparatus and method for dispensing a carbonated beverage
Application Number
5/806136
Publication Number
4143793
Application Date
June 13, 1977
Publication Date
March 13, 1979
Inventor
Peter Strandwitz
Neenah
WI, US
John R McMillin
Maplewood
MN, US
Agent
Henry C Kovar
Assignee
The Cornelius Company
MN, US
IPC
B67D 5/08
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