Dispenser container for viscous fluids

Details Dispenser container for viscous fluids Dispenser container for viscous fluids

1981-01-19

1983-07-26

Marmor, Charles A.

Dispensing

Resilient wall

Supply container delivering to receiving chamber

222212, 222383, 222494, 222517, 137854, B65D 8300, B65D 3700

Patent

active

043949398

ABSTRACT:
This invention is directed to a dispenser for viscous fluids. More particularly, this invention is directed to a dispensing container comprising a container body provided at one end with a resiliently compressible portion including a mouthpiece; a storage chamber to hold material to be dispensed; piston member arranged at the other end of said container to define a boundary of the storage chamber, the piston member being movable towards and restrained from movement away from said compressible portion; a top surface to define another boundary of the storage chamber; and an elastically compressible pump having an inlet valve in the top surface, an outlet valve, and a pump chamber between the valves, said inlet valve comprising an annular slot extending circularly in the top surface symmetrically to the longitudinal axis of the container and a circular cover ring hold sealingly in front of the annular slot and elastically under constant stress, the cover ring being held by three or more spokes radiating from a hub positioned in the center of the top surface.

REFERENCES:
patent: 666145 (1901-01-01), Kennedy
patent: 3361305 (1968-01-01), Spatz
patent: 3462046 (1969-08-01), Bartels
patent: 3828985 (1974-08-01), Schindler

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