Method of forming bottle neck finish for accepting a snap-in clo

Details Method of forming bottle neck finish for accepting a snap-in clo Method of forming bottle neck finish for accepting a snap-in clo

1983-06-16

1985-02-05

Morris, Theodore

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264320, 264322, B06B 300

Patent

active

044977581

ABSTRACT:
This relates to the provision of a snap-in closure for plastic beverage bottles. The neck of a conventional bottle is foreshortened through the elimination of the customary closure threads and the extreme end of the neck is reformed by way of an ultrasonic tool to define a radially inwardly turned sealing flange having a pour opening of a preselected controlled diameter therethrough. A snap-in closure is provided with the closure including a plug with a radially outwardly directed flange, the plug and flange being snapable through the pour opening in the sealing flange and the closure flange and thereafter engaging the sealing flange to seal the bottle. This abstract forms no part of the specification of this application and is not to be construed as limiting the claims of the application.

REFERENCES:
patent: 3171458 (1965-03-01), Strong
patent: 3773205 (1973-11-01), Keeler et al.
patent: 4356926 (1982-11-01), Priestly et al.

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