Method of forming a nozzle outlet in the stretchable flexible wa

Details Method of forming a nozzle outlet in the stretchable flexible wa Method of forming a nozzle outlet in the stretchable flexible wa

1976-11-17

1978-01-24

Coan, James F.

93 8VB, 93 8WA, B31B 4904

Patent

active

040697487

ABSTRACT:
A method of forming a nozzle outlet in the stretchable, flexible wall for a container by providing rigid inner and outer sleeves adapted to mate together in taper-interlocked relationship by stretching a portion of the wall around the inner sleeve and becoming sandwiched between the mated sleeves. The inner sleeve has an outlet passage extending therethrough and has an exterior surface which tapers at a small angle, the outer sleeve having an interior surface tapering at a corresponding angle so the sleeves will engage together in a wedging-locking relationship with the stretched wall portion sandwiched and protected between them.

REFERENCES:
patent: 1368545 (1921-02-01), Childers
patent: 2443335 (1948-06-01), Vogel
patent: 2779554 (1957-01-01), Kizzek
patent: 3069303 (1962-12-01), Scholle
patent: 3182365 (1965-05-01), Crawford et al.
patent: 3389643 (1968-06-01), Lemcke et al.
patent: 3448889 (1969-06-01), Malpas
patent: 3642172 (1972-02-01), Malpas
patent: 3783920 (1974-01-01), Weikert

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