Liquid plastic film pouch with inner straw

Details Liquid plastic film pouch with inner straw Liquid plastic film pouch with inner straw

1997-02-28

1998-07-21

Fidei, David T.

Special receptacle or package

Combined or convertible

Including drinking vessel

2291031, B65D 7728

Patent

active

057823448

ABSTRACT:
A liquid product carrying plastic film pouch (10) having a straw (12) free-floating in the liquid product (11) is described. The liquid product (11) contained within the inner chamber (13) of the pouch occupies from about 60% to about 90% of the volume of the inner chamber (13) of the pouch and a portion of air from the remaining volume is evacuated in sufficient quantity to permit the side walls (14,15) of the pouch to be collapsed against one another when the pouch is grasped by the hand of a user person. By collapsing the side walls (14,15) together the straw (12) located within the liquid can be grasped and manipulated to puncture the plastic film pouch (1) to extend a portion (12') of the straw (12) exteriorly of the pouch whereby to extract liquid therefrom. The pouch (10) is made of a multilayer resin film having an inner sealant layer (26) formed of a linear low density ethylene-octene copolymer or very low density ethylene copolymer (octene or other copolymers) such that when the straw punctures the film, the inner sealant layer (26) forms a membrane about the straw which exhibits a self-sealing behavior so as to prevent leakage in the punctured region as liquid is extracted from the pouch (10) through the straw (12).

REFERENCES:
patent: 2849321 (1958-08-01), Lhermitte et al.
patent: 3074612 (1963-01-01), Schneider
patent: 3545604 (1970-12-01), Gunther, Jr.
patent: 3730337 (1973-05-01), White
patent: 3799914 (1974-03-01), Schmit et al.
patent: 4762514 (1988-08-01), Yoshida
patent: 4806021 (1989-02-01), Koudstaal et al.
patent: 5334400 (1994-08-01), Purdham

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