Compressed gas container

Details Compressed gas container Compressed gas container

1990-03-21

1991-12-03

Shaver, Kevin P.

Dispensing

Collapsible wall-type container

With wall-collapsing means

222 1, 222131, 222212, 2223865, B65D 8314

Patent

active

050693638

ABSTRACT:
A compressed gas container for spraying liquid from an essentially pressureless, compressable product receptacle which is enclosed by an elastically prestressed hollow cylinder made of elastomeric material. The hollow cylinder is able to expand in one direction only and is acted upon by a pressurized gas provided in a clearance space between the product receptacle and the hollow cylinder. The clearance space is hermetically sealed to the outside and is filled, while the product receptacle is empty, with the pressurized gas having a pressure of approximately P.sub.min. The liquid to be sprayed is fed into the product receptacle in such an amount that the gas contained in the free space reaches a pressure of approximately P.sub.max. The pressure of the gas in the free space varies, as a function of the amount of product in the product receptacle, between the minimum pressure P.sub.min and the maximum pressure P.sub.max.

REFERENCES:
patent: 3240394 (1966-03-01), Modderno
patent: 3705667 (1972-12-01), Blanie et al.
patent: 3828977 (1974-08-01), Borchert
patent: 4458830 (1984-07-01), Werding
Computerized Database Abstract of DE 3132906, Feb. 6, 1990.

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