Quad-seal snap lock

Details Quad-seal snap lock Quad-seal snap lock

1981-12-28

1984-04-17

Hall, George T.

Receptacles

Closures

Removable closure retained by adhesive or fusion means

B65D 4306

Patent

active

044429525

ABSTRACT:
This disclosure relates to a ring and plug closure designed to prevent "plug popping", the closure including a plug having a generally annular U-shaped plug portion or channel defined by inner and outer plug walls and a bight wall therebetween, the inner and outer walls merging with a respective radius and a curl, the ring including an annular channel defined by inner and outer channel walls and a bight wall therebetween for receiving the plug portion, the inner and outer channel walls merging with a respective radius and a curl, and a frusto-conical wall disposed immediately adjacent the last-mentioned radius and being inclined at a predetermined angle to the plane of the outer channel wall such that upon the insertion of the plug portion into the channel, the plug curl bears against the radius of the ring to move the latter axially inwardly of an associated container body to progressively deflect the frusto-conical wall toward a reduced angle which in turn creates forces which deflect the outer walls of the plug portion and channel toward the inner walls thereof, thus increasing the frictional contact between the plug and ring and thus preventing "plug popping".

REFERENCES:
patent: 795128 (1905-07-01), Hodgson
patent: 1128076 (1915-02-01), Taliaferro
patent: 4180179 (1979-12-01), Hoenig et al.
patent: 4220254 (1980-09-01), Morton

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