Dispensing – With material treatment or conditioning means
Patent
1993-03-03
1994-05-10
Kashnikow, Andres
Dispensing
With material treatment or conditioning means
222211, 239343, 2395905, B67D 558
Patent
active
053100930
ABSTRACT:
A vertical hollow cylinder has an open bottom end and a closed top end having a first opening. A vertical hollow tube is open at both ends. A vertical inverted truncated hollow cone is open at both ends. The smaller open end of the cone is connected to the upper open end of the tube. A vertical cup shaped element has a first flat horizontal surface having a central hole coincident with the larger cone end and containing a plurality of small holes spaced from each other and from the central hole. The element has a second flat horizontal surface spaced slightly above the first surface and disposed around the central hole and the small holes. The top surface of the element engages the top end of the cylinder, the tube, cone and element being aligned with the first opening. A flat flexible disc has a flapper valve disposed in its center aligned with the first opening and also has a plurality of short vertical flexible fingers closely spaced from each other. The fingers are secured at lower ends to the disc and extend upward. The disc is disposed in the element and rests on the second horizontal surface with the prongs extending upward to engage the top end of the cylinder. The disc is separated from the first horizontal surface thereby defining a plurality of flat narrow horizontal channels.
REFERENCES:
patent: 3100067 (1963-08-01), Heppenstall
patent: 3401845 (1968-09-01), Bach
patent: 3973701 (1976-08-01), Gardner
patent: 4087023 (1978-05-01), Szczepanski
patent: 4147306 (1979-04-01), Bennett
patent: 4156505 (1979-05-01), Bennett
patent: 4836422 (1989-06-01), Rosenberg
patent: 5064103 (1991-11-01), Bennett
patent: 5197636 (1993-03-01), Mitchell et al.
Kashnikow Andres
Pomrening Anthoula
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