Fermentation vessels and closures therefor

Details Fermentation vessels and closures therefor Fermentation vessels and closures therefor

1993-04-29

1994-12-20

Redding, David A.

Chemistry: molecular biology and microbiology

Apparatus

Bioreactor

435286, 435284, 422102, 215307, 215336, 215344, 220366, 220373, 220374, C12M 124, C12M 6100, B65D 5116

Patent

active

053745574

ABSTRACT:
A closure device for fermentation test tubes or flasks (vessels) comprises a cylindrical cap which is either molded integrally with the vessel as one piece or is molded separately and is snugly fitted over the neck of the vessel, in a fashion which not only allows for free gaseous flow between the contents of the vessel and the ambient atmosphere but also facilitates easy access to the contents of the vessel without having to detach the closure from the vessel. Particular features of the cover permit manipulation with the fingers of the hand holding the vessel.

REFERENCES:
patent: 2562010 (1951-07-01), Aitken
patent: 3927798 (1975-12-01), Loomis
patent: 4600112 (1986-07-01), Shillington et al.
patent: 5067624 (1991-11-01), Thanisch

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