Dispensing – With recorder – register – indicator – signal or exhibitor – Position or extent of motion indicator
Patent
1989-09-27
1990-10-09
Huppert, Michael S.
Dispensing
With recorder, register, indicator, signal or exhibitor
Position or extent of motion indicator
222553, B65D 4700
Patent
active
049615157
ABSTRACT:
A twist open, twist close bottle closure is provided in a plastic cap with a modified plastic bottle neck. Depending from an interior top surface of the cap is an annular exterior wall and a concentrically positioned annular interior wall forming a chamber between the two walls sized to receive the bottle neck. The interior upper surface of the chamber is affixed with three annular seal rings adapted to mesh with grooves in the top edge of the bottle neck. A larger central annular seal ring extends downward forming a tongue designed to be pressed into the larger central groove of the bottle neck. This tongue and groove connection forms a tight fluid seal while still allowing rotational movement. Dispensing apertures in the cap and a notch in the upper edge of the bottle neck are positioned to be aligned by rotation of the cap to form an open dispensing canal. A stop block is located on the lower bottom exterior of the bottle neck, and a second stop block is located on the lower interior cap rim to limit rotation in order to indicate an opened dispensing canal. To indicate a closed dispensing canal, a domed pin located on an interior surface of the exterior wall of the cap inserts into a dimple on the exterior of the bottle neck during clockwise rotation of the cap.
REFERENCES:
patent: 2041351 (1936-05-01), Jones
patent: 2173030 (1939-09-01), White
patent: 2189343 (1940-02-01), Fritz
patent: 2272260 (1942-02-01), Ballentine et al.
patent: 2361047 (1944-10-01), Morey
patent: 2889081 (1959-06-01), Spencer
patent: 2966286 (1960-12-01), Moran
patent: 3261513 (1966-07-01), Moran
patent: 4583667 (1986-04-01), Fishman et al.
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