Dispensing – Hand manipulable shaker with reverse outlet passage
Patent
1975-06-16
1977-04-05
Tollberg, Stanley H.
Dispensing
Hand manipulable shaker with reverse outlet passage
G01F 1126
Patent
active
040157580
ABSTRACT:
A dispensing closure for a container for dispensing metered quantities of powder contents and the like therein and having an outer tubular element having a tubular body with an inclined bottom wall that terminates in an upstanding wall spaced from an inner wall surface defining a bottom inlet for communication with the interior of the container. A second element comprising a split cylinder is disposed axially in the outer tubular element and has a top defining an outlet opening on the outer tubular element. The second element has a wall in the tubular body spaced axially from the bottom wall and inwardly from the upstanding wall to define a chamber having an opening communicating with the bottom inlet opening. A second chamber is formed between the first-mentioned chamber with which it communicates and the bottom wall. The wall of the second element defines an outlet communicating with the second chamber and the top outlet opening. If the container is inverted from the upright a quantity of the contents enters the tubular element into the first-mentioned chamber. Upon return to an upright position this quantity of contents is retained in the second chamber and upon reinverting of the container it is dispensed through the top opening and a similar quantity of contents is introduced into the first-mentioned chamber for subsequent metered dispensing.
REFERENCES:
patent: 2035256 (1936-03-01), Ball
patent: 2091929 (1937-08-01), Kappenberg
patent: 3137418 (1964-06-01), Mullen
patent: 3716173 (1973-02-01), Yasso
Adams Bruce L.
Burns Robert E.
Lobato Emmanuel J.
Sigma-Tau Industrie Farmaceutiche Riunite S.p.A.
Stack Norman L.
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