Fermentation container

Details Fermentation container Fermentation container

1973-01-04

1976-03-30

Price, William I.

Purses, wallets, and protective covers

Protective cover made of flaccid material

For a racquet

992771, 195142, 426 8, 426 15, 426118, B65D 3316

Patent

active

039467805

ABSTRACT:
A flexible fermentation container which has, in place of the common air lock, a diaphragm having a Gurley porosity of 2 to 120 seconds. The diaphragm material, such as spun bonded polyethylene, allows fermentation gases to pass out of the container, but does not allow bacteria or other contaminants to enter.

REFERENCES:
patent: 2186888 (1940-01-01), Tuller et al.
patent: 2638263 (1953-05-01), Jesnig
patent: 2804257 (1957-08-01), Hasler et al.
patent: 3021942 (1962-02-01), Hamilton
patent: 3032182 (1962-05-01), Bechtold
patent: 3343719 (1967-09-01), Kastamo et al.
patent: 3468471 (1969-09-01), Linder
patent: 3485352 (1969-12-01), Pilger
patent: 3559834 (1971-02-01), Taylor
patent: 3642047 (1972-02-01), Waage
patent: 3685679 (1972-08-01), Heffran
patent: 3685720 (1972-08-01), Brady
patent: 3760711 (1973-09-01), Webster
patent: 3761013 (1973-09-01), Schuster

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