Dispensing – Resilient wall – Fluid pressure generating pump or pulsator and/or removable...
Patent
1980-02-22
1982-05-18
Tollberg, Stanley H.
Dispensing
Resilient wall
Fluid pressure generating pump or pulsator and/or removable...
B05B 1104
Patent
active
043300723
ABSTRACT:
A dispenser for flowable material, such as liquids or powder, having a container provided with a corrugated sidewall which allows the container to collapse when a downward force is exerted on the upper part thereof. The container has a tubular extension or spout projecting laterally from the upper part thereof and an upper surface free of structure to allow the palm or other part of the hand to readily engage the upper surface and to exert a downward force thereon. The force on the container causes material therein to travel upwardly through an inner tube and laterally through the spout to an outlet at the outer end of the spout. In one embodiment of the dispenser, the upper part of the container has a top opening therethrough to allow filling of the container and a cap removably closes the opening, the cap having a flat or slightly curved upper surface and being press-fitted or threaded onto the upper part to close the opening. In another embodiment, the container has a threaded neck, and a top with the spout thereon is threaded onto the neck. The spout is integral with the upper wall of the top and extends laterally therefrom. Several other embodiments of the dispenser are disclosed.
REFERENCES:
patent: 2223256 (1940-11-01), Kross
patent: 2854175 (1958-09-01), Spitzmesser
patent: 3192555 (1965-07-01), Nyden
patent: 3331537 (1967-07-01), Benedict
patent: 3465921 (1969-09-01), Mullan
patent: 3474936 (1969-10-01), McDonnell
patent: 3618829 (1971-11-01), Elmore et al.
patent: 4087024 (1978-05-01), Martin et al.
McGannon John L.
National Dispenser Company
Tollberg Stanley H.
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