Method of forming bottle neck finish for accepting a snap-in closure
US4497758A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 16, 1983 |
| Grant date | Feb 5, 1985 |
| Priority date | — |
| Expiry date | Jun 16, 2003 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2539/003
- WIPO fieldHandling
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.