Bottle neck with retaining lip for stopper

Details Bottle neck with retaining lip for stopper Bottle neck with retaining lip for stopper

1984-06-01

1987-02-24

Rolla, Joseph J.

Dispensing

With lock or fastening seal

Plural

222563, 222572, 215 31, 215355, B65D 3900, B65D 3914

Patent

active

046450963

ABSTRACT:
A unique combination of a neck having a back wall which extends above a front wall and a closure for sealing an opening in the neck is disclosed. The back wall has a lip which extends into the opening for engaging the closure. The closure is inserted into the opening such that a groove in its upper surface is engaged by the lip to prevent movement of the closure out of the opening. Removal of the closure is accomplished by depressing it into the opening slightly to release the lip from the groove, and then rotating it about the front wall. In one embodiment, the front wall includes a tamper-proof tab which must break away from the front wall when the closure is rotated during a removal operation. Several embodiments of the upper edge and groove are shown.

REFERENCES:
patent: D198234 (1964-05-01), Lawton
patent: D216678 (1970-03-01), Wilcox
patent: D254446 (1980-03-01), Raitto
patent: D255986 (1980-07-01), Chang et al.
patent: 817247 (1906-04-01), Huffer
patent: 1073997 (1913-09-01), London
patent: 1504473 (1924-08-01), Hattes
patent: 1773291 (1930-08-01), Weaver
patent: 3405832 (1968-10-01), Lukesch et al.
patent: 3712519 (1973-01-01), Collie

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