Closure with dispensing fitment and screw-on cap

Details Closure with dispensing fitment and screw-on cap Closure with dispensing fitment and screw-on cap

1991-08-23

1993-02-02

Elkins, Gary E.

Receptacles

Closures

Superposed closures for common opening

220266, 220359, 215232, 215251, 215277, 222565, B65D 5118, B65D 4706

Patent

active

051831716

ABSTRACT:
A plastic dispensing fitment and a plastic screw-on cap are connected in nested relation by an ultrasonic weld. When the cap is initially screwed onto the neck of a jar, the fitment is forced over the neck with a snap fit. When the cap is first unscrewed, the weld breaks to separate the cap from the fitment and enable removal of the cap from the jar while leaving the fitment attached to the jar.

REFERENCES:
patent: 1454170 (1923-05-01), Hyatt
patent: 2576416 (1951-11-01), Randlett
patent: 2975946 (1961-03-01), Westgate
patent: 3265255 (1966-08-01), Mitchell
patent: 3276642 (1966-10-01), Johnson, Jr. et al.
patent: 3664536 (1972-05-01), Emery
patent: 3874580 (1975-04-01), Weatherhead
patent: 4437593 (1984-03-01), Bullock
patent: 4482071 (1984-11-01), Ishiwatari
patent: 4573598 (1986-03-01), Perry
patent: 4984700 (1991-01-01), Knickerbocker

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