Pollutant-proof contractible container

Details Pollutant-proof contractible container Pollutant-proof contractible container

1991-10-08

1993-05-04

Cusick, Ernest G.

Fluent material handling, with receiver or receiver coacting mea

Evacuation apparatus

141 18, 222212, 222143, 222494, 222666, B65B 4700

Patent

active

052072509

ABSTRACT:
A container having a contractible body for storing a liquid is provided with a nonreturn valve in a neck outlet to permit dispensing of the liquid from the container while preventing external air or liquid from flowing into the container in order to preserve the freshness of any residual liquid. The collapsibility of the container provides indication of any residual liquid volume and plural empty containers may be joined together to minimize space occupancy and facilitating recycling.

REFERENCES:
patent: 3244332 (1966-04-01), Rogers
patent: 3390821 (1968-07-01), Mullan
patent: 3456650 (1969-07-01), Schwartzman
patent: 3768705 (1973-10-01), Spatz
patent: 4408702 (1983-10-01), Horvath
patent: 4506809 (1985-03-01), Corsette
patent: 4785978 (1988-11-01), Kano et al.
patent: 4811871 (1989-03-01), Wass et al.

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