Fluid tight seal for container

Details Fluid tight seal for container Fluid tight seal for container

1983-11-21

1985-09-17

Arola, Dave W.

Bottles and jars

Closures

With separate applied fastener to hold closure in closed...

215309, 220378, 285137R, 285177, 285342, 285353, 285346, F16L 1700, B65D 4530

Patent

active

045415374

ABSTRACT:
A seal for a container having a straight cylindrical neck with an opening in the neck includes an upper sealing member which fits over the top of the neck and down a portion of the cylindrical surface of the neck. The top sealing member has a tapered edge on its bottom which accepts an indentically tapered edge of an intermediate sealing member which engages it. The intermediate sealing member also has a further tapered edge which accepts a tapered edge of a bottom sealing member which mates with it. A lower locking member goes around the cylindrical neck of the bottle and is shaped such that a portion of it is spaced away from the cylindrical neck of the bottle to form a cavity in which fits the intermediate and lower sealing members. A top locking member goes over the top sealing member and both a skirt on the top sealing member and the top locking member also fit within the cavity of the lower locking member. Threads between the upper and lower locking member hold the structure together.

REFERENCES:
patent: 3103373 (1963-09-01), Lennon et al.
patent: 3437357 (1969-04-01), Rubin
patent: 4253583 (1981-03-01), Lynch
Catalog C578, Crawford Fitting Co., Title Page and pp. 2 and 19.

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