Method of forming a carbonated beverage package

Details Method of forming a carbonated beverage package Method of forming a carbonated beverage package

1986-01-14

1987-05-26

Norton, Donald F.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

215329, 215351, B65D 4104

Patent

active

046684581

ABSTRACT:
A carbonated beverage package comprising a bottle having a neck with an external thread and a closure comprising a base wall and a peripheral skirt having an internal thread interengaging the thread on the neck. A flexible liner is interposed between the interior surface of the base wall of the closure and the open end of the neck. The closure is made of plastic and includes a portion at the juncture of the base wall and peripheral skirt which is axially deformable relative to the remainder of the base wall to a permanent shape. When the closure is applied to the ncek and the closure is rotated by relative rotation between the closure and the neck while simultaneously an axial force is applied to the deformable portion of the cap, the deformable portion is displaced axially relative to the base wall to a permanent shape causing the liner to be deflected about a portion of the outer surface of the neck adjacent the open end of the neck thereby increasing the contact of the liner with the neck.

REFERENCES:
patent: 2162880 (1939-06-01), Brown
patent: 4351443 (1982-09-01), Uhlig
patent: 4381840 (1983-05-01), Ostrowsky
patent: 4423821 (1984-01-01), McIntosh

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