Tear open closure assembly

Details Tear open closure assembly Tear open closure assembly

1983-03-21

1984-04-17

Hall, George T.

Receptacles

Closures

Superposed closures for common opening

220258, 220270, 222541, 222527, B65D 4912

Patent

active

044429495

ABSTRACT:
A nestable spout assembly for dispensing liquid products from cans and pails. A molded plastic spout in extended position has an enlarged flexible lower wall portion joined to a relatively rigid externally threaded upper wall portion. A peripheral sealing channel is disposed about the base of the lower wall portion for securing to a container wall opening neck by means of an overlying metal crimping ring. A tear out diaphragm is recessed within the upper end of the spout and is provided with an integrally molded ring pull for removal. A circumferentially enlarged plastic reclosing cap threadedly engages the spout upper wall portion and also interlockingly engages the metal crimping ring with the spout in nested position to close off the annular spout void against contamination. An axially extending support member is disposed within the space between the upper surface of the diaphragm and the under surface of the reclosing cap.

REFERENCES:
patent: 3239112 (1966-03-01), Porcelli
patent: 3458080 (1969-07-01), Laurizio
patent: 4146148 (1979-03-01), Dwinell et al.
patent: 4320861 (1982-03-01), Rieke et al.

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