Cell cultivation container

Chemistry: molecular biology and microbiology – Apparatus – Differentiated tissue perfusion or preservation apparatus

Patent

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Details

435287, 435296, 435313, 422102, 215307, C12M 300, C12M 100, C12M 124, C12M 104, B65D 5116, B01L 300

Patent

active

045460850

ABSTRACT:
A cell cultivation container with screw cover, where the zone of the mouth portion of the container adjacent the edge of the mouth has a greater diameter than the more remote zone and is constructed with at least two inwardly protruding, axially extending projections, and where the screw cover has an inner skirt with an outer annular bead which in the fully closed position of the cover is in sealing engagement with the inner wall of the narrow zone of the mouth portion of the container, while in partly unscrewed position of the cover the bead is only in contact with the inwardly protruding, axially extending projections. Hereby the cross-sectional area of the communication passages between the interior of the container and the surroundings formed by partial unscrewing of the cover will remain constant, even if the angle of turning of the screw cover varies within wide limits.

REFERENCES:
patent: 3297184 (1967-01-01), Andelin
patent: 3822027 (1974-07-01), Cnerba
patent: 4053078 (1977-10-01), Herr
patent: 4289248 (1981-09-01), Lynn

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