Dispensing – Collapsible wall-type container – Plural container and/or compartment
Patent
1979-07-27
1981-06-30
Marmor, Charles A.
Dispensing
Collapsible wall-type container
Plural container and/or compartment
222 95, 222136, 2221445, 222145, 222327, 137113, 13761418, 13762541, B67D 534
Patent
active
042758238
ABSTRACT:
An automatic change-over system for stock rotation of liquids packages in plural collapsible bag-type reservoirs including an improved automatic change-over valve is described. The bag-type reservoirs are divided into primary and secondary groups, the primary group containing a supply of liquid product which is currently being dispensed and the secondary group containing a supply of liquid product which is held in reserve. An automatic change-over between the primary and secondary groups of bag-type reservoirs is effected in response to a vacuum created by an empty condition in the bags in the primary group. A pressure change in the system results from the deflation of the empty bag-type packages which switches the change-over valve. Thus, the change-over is caused by the characteristics of the flexible bags containing the liquid being dispensed and the valve mechanism which connects the primary group, the secondary group and a dispensing pump together.
REFERENCES:
patent: 1992319 (1935-02-01), Maggenti
patent: 2360839 (1944-10-01), Barksdale
patent: 3533431 (1970-10-01), Kuenzel et al.
patent: 3825027 (1974-07-01), Henderson
patent: 4014461 (1977-03-01), Harvill
Marmor Charles A.
The Coca-Cola Company
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