Dispensing – With discharge assistant – With material supply container and discharge assistant with...
Patent
1991-05-14
1992-06-09
Huppert, Michael S.
Dispensing
With discharge assistant
With material supply container and discharge assistant with...
222382, 222383, B67D 500
Patent
active
051199742
ABSTRACT:
The present invention relates to a spray bottle having full circle, continuous operational capability. It includes a mouth and a bottom wall, a reservoir of contained liquid, a human-powered pump sprayer attached to the mouth of the container, a straw extending into the contained liquid and a full circle, continuous complementary operative feed system in operational contact with the pump sprayer through the straw. The feed system of the present invention alternately connects the contained liquid to first and second entry ports in parallel relative to the straw as a function of working position. Assuming that the container is full or nearly full of liquid and that the spray bottle is in a normal upright working position, a first valve associated with the entry port near the bottom wall, is made to be operative open to liquid flow. Similarly, a second valve associated with the second entry port near the mouth of the container, is operated in a closed condition. By the results provided by the latter, air is prevented from entry into the straw to interrupt the liquid flow. Yet when the spray bottle is rotated in a half-circle, the valving conditions described above automatically reverse.
REFERENCES:
patent: 2765963 (1956-10-01), Langguth
patent: 3545488 (1970-12-01), Venus, Jr.
patent: 4277001 (1981-07-01), Nozawa
patent: 4371098 (1983-02-01), Nozawa et al.
patent: 4572406 (1986-02-01), Pratt et al.
patent: 4775079 (1988-10-01), Grothoff
Huppert Michael S.
Messner Harold D.
Pomrening Anthoula
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