Container reducible in size during use, with dispenser spout fit

Details Container reducible in size during use, with dispenser spout fit Container reducible in size during use, with dispenser spout fit

1998-08-15

2000-05-16

Huson, Gregory L.

Dispensing

Resilient wall

With flow controllers or closures

222214, B65D 3700

Patent

active

06062437&

ABSTRACT:
The present invention relates to a container reducible in size during use, with dispenser spout fitted with check valve. It comprises a bellows bottle, presenting, at one of its ends, a closed bottom and, at the opposite end, a neck destined to receive a dispenser spout fitted with a check valve with mushroom-shaped shutter. The bellows bottle is positioned inside a container with variable volume, constituted by two hollow cylinders able coaxially to slide one inside the other, the neck passing through the outer cylinder.

REFERENCES:
patent: 2738107 (1956-03-01), Graham
patent: 3390821 (1968-07-01), Mullan
patent: 3506163 (1970-04-01), Rauh et al.
patent: 4098434 (1978-07-01), Uhlig
patent: 4622085 (1986-11-01), Yamada et al.
patent: 5320256 (1994-06-01), Wood

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