Opening-closing device for a bag of flexible synthetic material

Details Opening-closing device for a bag of flexible synthetic material Opening-closing device for a bag of flexible synthetic material

1989-06-22

1992-03-10

Shaver, Kevin P.

Dispensing

Nozzles, spouts and pouring devices

220278, 222 91, 222107, 222562, 222575, 383 80, 383 96, B65D 1744

Patent

active

050943677

ABSTRACT:
An opening-closing device for a flexible containing a liquid includes a cylindrical spout attached to the outer surface of the bag, and a stopper for the spout which includes a blade for perforating an area of the bag located within the spout when the bag is to be opened. An arrangement of tongues or wings extend from the sides of the spout so that a user may grip the tongue or wing while perforating the area of the bag within the spout upon insertion of the stopper.

REFERENCES:
patent: Re32354 (1987-02-01), Savage
patent: 3339812 (1967-09-01), Meissner
patent: 4202469 (1980-05-01), Brandt
patent: 4440316 (1984-04-01), Christine
patent: 4776488 (1988-10-01), Gurzan

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