Dispensing – With flow controller or closure – Rotary – axially
Patent
1978-03-24
1980-01-01
Shannon, John P.
Dispensing
With flow controller or closure
Rotary, axially
215313, 220253, 222553, 222556, B65D 4706
Patent
active
041812468
ABSTRACT:
A closure for a collapsible tube having a base portion mounted on the reinforced dispensing end of the tube. The base portion of the closure defines a bore communicating at one of its ends with the interior of the tube. The opposite end of the bore opens on the surface of a substantially spherical portion of the base member and serves as an outlet through which the tube contents are dispensed. This outlet is selectively opened and closed by a cap member fabricated from a semi-rigid material which defines a cavity which rotatably receives the spherical member therein. The tube contents are dispensed by rotating a port defined in the cap member into alignment with the base portion outlet and collapsing a portion of the tube wall. In one embodiment means are provided to assist in guiding the rotation of the cap member with respect to the spherical member for purposes of aligning the base portion opening and the cap member opening.
REFERENCES:
patent: 1996493 (1935-04-01), Schumacher
patent: 2022109 (1935-11-01), Earp
patent: 2138992 (1938-12-01), Baker
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