Rubber stopper with plastic pull ring

Details Rubber stopper with plastic pull ring Rubber stopper with plastic pull ring

1981-07-29

1983-07-26

Ross, Herbert F.

Bottles and jars

Closures

With means to facilitate closure removal

215320, 215305, B65D 3900, B65D 3916, B65D 4128

Patent

active

043949223

ABSTRACT:
A stopper assembly for pharmaceutical containers or the like having a pull ring operable between a position flush with the top face of the stopper and an erect position engageable by the finger of the user for removing the stopper from the container. In acccordance with the preferred embodiment, the stopper and pull ring member are separate elements. The stopper which is preferably made of rubber has an annular groove with a locking shoulder to receive an insert ring of the pull ring member of complemetary shape to retain the two in a locked position. A pull ring is connected to a flange of the insert ring by a flexible hinge. The pull ring normally lies in the plane of the insert ring flange flush with the top face of the stopper and may be easily raised to an erect position to receive a finger of the user to enable removal of the stopper from a container by a pulling action.

REFERENCES:
patent: 265007 (1882-09-01), Bennett
patent: 1296444 (1919-03-01), Webb
patent: 3017050 (1962-01-01), Barr
patent: 3750820 (1973-08-01), Labarre

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