Valves for sterilizable flat flexible containers and process for

Details Valves for sterilizable flat flexible containers and process for Valves for sterilizable flat flexible containers and process for

1981-12-18

1984-08-21

Weston, Caleb

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

156 87, 156242, 156245, 156250, 156267, 206438, 206603, 215247, 215248, 428 68, 428 71, 4284744, 4284755, 4284758, 4284763, 428492, 604415, B32B 2512, B32B 2706, B32B 2734

Patent

active

044670036

ABSTRACT:
A method of preparation of valves for a flat, flexible, sterilizable container capable of sterilely containing a liquid to be removed under absolutely sterile conditions which comprises the steps of:

REFERENCES:
patent: 2704075 (1955-03-01), Cherkin
patent: 3463339 (1969-08-01), McGuckin
patent: 3642047 (1972-02-01), Waage
patent: 4253500 (1981-03-01), Williams
patent: 4378069 (1983-03-01), Franco

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