Closure assembly for cell culture vessels

Details Closure assembly for cell culture vessels Closure assembly for cell culture vessels

1994-08-18

1996-06-04

Redding, David A.

Chemistry: molecular biology and microbiology

Apparatus

Bioreactor

215236, 215237, 215261, 215307, 215308, 215329, 220360, 220361, 2203671, 220371, 220373, C12M 100

Patent

active

055232361

ABSTRACT:
A closure for providing selective access to and for closing a cell culture vessel includes an open cylindrical first portion for attaching the closure to the cell culture vessel. The first portion includes a passageway for access to the vessel. The closure includes a second portion attached to the first portion by a hinge for closing the access passageway. The second portion additionally includes a vent which has a porous membrane covering it to prevent passage of microorganisms through the vent. The closure includes a third portion which is attached by a hinge to the second portion for closing the vent. Either the vent or the access passageway may be opened with one hand providing easy access and selective closure of the cell culture vessel.

REFERENCES:
patent: 2950833 (1960-08-01), Short
patent: 3326401 (1965-10-01), De Long
patent: 4327842 (1982-05-01), Walter
patent: 4377247 (1983-03-01), Hazard et al.
patent: 4437574 (1984-03-01), Ruklic
patent: 5047347 (1991-09-01), Cline
patent: 5339993 (1994-08-01), Groya et al.
patent: 5391496 (1995-02-01), Kayal et al.
patent: 5395006 (1995-03-01), Verma

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