Dispensing – With discharge assistant – Fluid pressure
Patent
1978-08-17
1980-05-20
Spar, Robert J.
Dispensing
With discharge assistant
Fluid pressure
22240221, 239577, 251349, B65D 8314
Patent
active
042035341
ABSTRACT:
A tilting nozzle closure for a bottle includes a cap of plastics material having a side wall which has a low elastic deformability carrying an internal annular bead adjacent its open end for engagement with the neck of the bottle at least part of the end wall of the cap being more resilient than the side wall and carrying a tubular nozzle and a closure member for sealing the neck of the bottle which, in use, engages with the end of the neck of the bottle and which includes a reduced portion which in use projects into the neck of the bottle. The closure is arranged such that in use the at least part of the end wall is stressed by the attachment of the cap to the neck of the bottle to urge the closure member against the neck of the bottle to seal the bottle, but the closure member is movable from sealing engagement with the bottle neck to thereby allow the contents of the bottle to be discharged through the nozzle by the application of a transverse force to the nozzle to tilt it which results in the closure member being unseated from the neck of the bottle and in the at least part of the end wall being deformed. In one example the closure member is integral with the cap (12) and in another example the closure member is separate from the cap (2).
REFERENCES:
patent: 3101876 (1963-08-01), Ayres
patent: 3221952 (1965-12-01), DeSee
patent: 3434695 (1969-03-01), Green
patent: 3454198 (1969-07-01), Flynn
Robert Finke Kunststoff-Spritzguss-Werk
Silverberg Fred A.
Spar Robert J.
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