Dispensing – Outlet element operated by pressure of contents – Spring form – resilient or compressible flow controller or...
Patent
1996-11-29
1998-07-14
Kaufman, Joseph
Dispensing
Outlet element operated by pressure of contents
Spring form, resilient or compressible flow controller or...
222 92, 222212, B65D 3700
Patent
active
057791090
ABSTRACT:
An assembly for dispensing a fluid product includes a container and a dispensing head with a channel for dispensing product. A closure is located at a terminal part of the channel. The closure includes a flexible flap at least partially closing the terminal part, when dispensing is not taking place, moving away at least partially from the closing position by flexing under the pressure of the product being dispensed, and returning, by elasticity, to the closing position, when dispensing ceases. The flap is normally urged into the closing position by a stressing member, which is a heel formed continuously with the flap and connected in the dispensing head.
REFERENCES:
patent: 1934045 (1933-11-01), Devlin et al.
patent: 1965812 (1934-07-01), Shippee
patent: 2197672 (1940-04-01), Winters
patent: 2429984 (1947-11-01), Berglund
patent: 3937371 (1976-02-01), Del Bon
patent: 4022464 (1977-05-01), Parker
patent: 4124150 (1978-11-01), Ross
patent: 4412634 (1983-11-01), Bennett
patent: 5197637 (1993-03-01), Naumann
patent: 5267673 (1993-12-01), Crosnier et al.
"L'Oreal"
Kaufman Joseph
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