Container closure with pop-up spout fitment

Details Container closure with pop-up spout fitment Container closure with pop-up spout fitment

1990-01-10

1991-12-31

Shaver, Kevin P.

Dispensing

Movable material discharge guide

Foldable, bendable, collapsible or flexible

222538, 222570, B67D 300

Patent

active

050764756

ABSTRACT:
A resealable container enclosure includes a fitment with an annular body which snap fits over the mouth of a container, a resilient frusto-conical wall integrally molded with the annular body in a convex configuration to extend outward from the container, and a spout extending outward from frusto-conical wall. The enclosure includes a cap which, as it is screwed onto the container, engages the spout and deforms the resilient frusto-conical wall into the concave configuration producing bending moments which cause the spout to pop-up as the resilient frusto-conical spout returns to the convex configuration upon removal of the cap. A plurality of circumferentially spaced ribs extending axially and radially along the inner surface of the resilient frusto-conical stiffen the frusto-conical wall in the preferred embodiment of the invention.

REFERENCES:
patent: 2898018 (1959-08-01), Borah
patent: 2979239 (1961-04-01), Collins
patent: 2993628 (1961-07-01), Borah
patent: 3093273 (1963-06-01), Borah
patent: 3405850 (1968-10-01), Esposito, Jr.
patent: 4295583 (1981-10-01), Schurr
patent: 4422563 (1983-12-01), Babiol
patent: 4442949 (1984-04-01), Dwinell et al.
patent: 4475274 (1984-10-01), Beckstrom et al.
patent: 4569464 (1986-02-01), Wassilieff

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