Reusable vial cap

Details Reusable vial cap Reusable vial cap

1988-03-29

1989-01-31

Hall, George T.

Bottles and jars

Closures

Cap type

215277, B65D 4312, B65D 4320

Patent

active

048010332

ABSTRACT:
A reusable cap for assuring the sealed seating of a stopper against the open end of a vial neck is provided with a unitary body of rigid material having a base which overlies the head of the resilient stopper and the open end of the vial neck. The base is provided with a plurality of downwardly extending ribs which seat against the resilient stopper head. A pair of jaw portions project downwardly from the base and peripherally grip the underside of a bead at the open end of the vial neck, so that the stopper head and vial neck bead are sealed and clamped between the ribs and the jaws. The resilience of the stopper surface beneath the ribs is utilized to accommodate variation in the thicknesses of the vial neck bead and stopper head as well as allowing for expansion of the stopper vial neck during the heating and cooling conditions of repeated sterilization cycles.

REFERENCES:
patent: 2436297 (1948-02-01), Guarnaschelli
patent: 2649220 (1953-08-01), Vastano et al.
patent: 4230231 (1980-10-01), Burnett et al.

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