Shaker closure

Details Shaker closure Shaker closure

1992-03-13

1994-08-23

Kashnikow, Andres

Dispensing

With lock or fastening seal

Plural

222556, 222565, 215237, 220254, 220339, B65D 4700

Patent

active

053399935

ABSTRACT:
A shaker closure generally comprising a skirt and a shaker lid, a portion of which is adapted to pivot from a closed position to an open dispensing position. A well deck having a plurality of orifices extends across a portion of the closure top and is covered when the pivotable lid portion is in the closed position. A releasable lock is provided to securely and releasably lock the shaker lid in the closed position. The lock is an eccentric detent formed on the periphery of the pivotable lid portion and an undercut formed on the skirt adapted to releasably engage the detent. A second lock may be provided to hold a generally semi-circular lid in a fully open position, the second lock comprising a pair of arcuate latch projections formed on the periphery of the pivotable lid above the detent and a pair of arcuate locking walls formed on the skirt adapted to releasably engage the latch projections. Also provided are seals for the orifices when the lid is in the closed position to prevent small amounts of granular contents from passing through the orifices. The seals are provided by a membrane surrounding each of the orifices and a plurality of rounded protuberances formed on the bottom of the pivotable lid that are adapted to align with the orifices and sealingly engage the membrane to seal the orifices when the lid is in the closed position.

REFERENCES:
patent: 3018931 (1962-01-01), Westgate
patent: 3493150 (1970-02-01), Lucas et al.
patent: 3499588 (1970-03-01), Bartilson et al.
patent: 3675812 (1972-07-01), Foster
patent: 3966080 (1976-06-01), Bittel
patent: 4262802 (1981-04-01), Laauwe
patent: 4580687 (1986-04-01), Lewis
patent: 4607768 (1986-08-01), Taber et al.
patent: 4874103 (1989-10-01), Quisenberry et al.
patent: 4949865 (1990-08-01), Turner
patent: 4991730 (1991-02-01), Pehr
patent: 5085331 (1992-02-01), Groya et al.

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