Viscous liquid-dispensing container having a resilient follower

Details Viscous liquid-dispensing container having a resilient follower Viscous liquid-dispensing container having a resilient follower

1992-12-18

1994-04-19

Kashnikow, Andres

Dispensing

Resilient wall

Fluid pressure generating pump or pulsator and/or removable...

2223865, B65D 3700, B65D 542

Patent

active

053038525

ABSTRACT:
A viscous liquid-dispensing container which allows almost all amount of the content thereof to be easily extracted. The container includes a liquid-dispensing section having a head and a shoulder, and inner and outer containers respectively connected with the shoulder. The liquid-dispensing section includes a first check valve for allowing only extraction of the liquid. The outer container includes a second check valve for allowing only introduction of the exterior air. The inner container for accommodating the viscous liquid has a upper sleeve and lower bag connected to the upper sleeve. The upper sleeve is relatively hard, while the lower bag is made of a flexible thin film. After a predetermined amount of liquid is extracted, the lower bag is inverted and invades into the upper sleeve depending on the reduction of the liquid in the inner container.

REFERENCES:
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patent: 2608320 (1952-08-01), Harrison
patent: 2777612 (1957-01-01), Bensen
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patent: 5012956 (1991-05-01), Stoody
patent: 5033647 (1991-07-01), Smith et al.

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