Puff-discharge squeeze bottle

Details Puff-discharge squeeze bottle Puff-discharge squeeze bottle

1974-05-21

1976-06-15

Knowles, Allen N.

Dispensing

Resilient wall

Internally extending outlet pipe

B05B 1104

Patent

active

039631508

ABSTRACT:
A squeeze bottle dispenser having a puff-type spray discharge characteristic. The bottle comprises a container having a flexible wall portion adapted to be squeezed in the hand of the user, a discharge nozzle, and a spring-urged check valve controlling flow to the nozzle. The valve includes a hollow valve housing with an annular valve seat, a ball-check engageable with the seat so as to seal the same, and a spring which normally biases the ball against the seat to seal the container and prevent leakage of its contents. The arrangement is such that when the container wall is squeezed, the ball-check initially prevents fluid from entering the valve housing until a predetermined pressure in the container has been attained, after which the spring yields somewhat, resulting in a sudden impulse or puff-type discharge through the nozzle. Means are provided for rapidly venting air into the dispenser following discharge, in order to relieve the vacuum therein, thus immediately readying the dispenser for subsequent actuation.

REFERENCES:
patent: 2752199 (1956-06-01), Newell, Jr.
patent: 3221945 (1965-12-01), Davis
patent: 3409182 (1968-11-01), McDonnell
patent: 3474936 (1969-10-01), McDonnell
patent: 3733010 (1973-05-01), Riccio

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