Flask closure system

Details Flask closure system Flask closure system

1984-08-20

1986-05-27

Norton, Donald F.

Bottles and jars

Closures

Cap type

215331, B65D 4104

Patent

active

045910634

ABSTRACT:
A closure system for a flask or a bottle made of glass and comprising a body (31) and a cylindrical tubular neck (32), the system comprising: a stopper (33) for fitting over the end of the neck, the stopper having a cylindrical tubular wall (35) and means (36, 37) for co-operating with the flask neck for sealing the flask; mutually co-operative guide means (39, 41, 42) on the neck and on the stopper for defining a combined motion of rotation and axial translation of the stopper relative to the neck; and stop means (55, 59) for limiting said motion in a predetermined closure position in which the stopper is at a desired orientation relative to the flask and in which sealing is ensured.

REFERENCES:
patent: 3786954 (1974-01-01), Shull
patent: 3896959 (1975-07-01), Roy
patent: 4121728 (1978-10-01), Tegalakis et al.
patent: 4230232 (1980-10-01), Atkins
patent: 4310101 (1982-01-01), Sekine
patent: 4373641 (1983-02-01), Banich et al.
patent: 4387822 (1983-06-01), Lynn

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