Pourer-stopper

Details Pourer-stopper Pourer-stopper

1976-01-13

1977-03-08

Norton, Donald F.

Dispensing

With resilient biasing means for outlet element

For pivoted and swingable elements

215235, B67D 300

Patent

active

040108759

ABSTRACT:
A pourer-stopper consists of a one-piece moulding having a stoppering device and an integrally hinged cap provided with a spring blade which cooperates with a tongue on the stoppering device to cause the cap to spring from a partially open position to a fully open position; the blade obstructs free return of the cap from the fully open position regardless of the attitude of the device in pouring.

REFERENCES:
patent: 1794987 (1931-03-01), Sebolt
patent: 3059816 (1962-10-01), Goldstein
patent: 3240405 (1966-03-01), Abbott
patent: 3441161 (1969-04-01), Van Baarn
patent: 3741447 (1973-06-01), Miles
patent: 3752371 (1973-08-01), Susuki
patent: 3853250 (1974-12-01), Alpern

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