Structure and method of sealing a closure assembly onto the neck finish of a plastic pressure container
US9845186B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 1, 2016 |
| Grant date | Dec 19, 2017 |
| Priority date | — |
| Expiry date | Apr 1, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D83/44
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Plastic pressure container including a main body portion, a finish portion, and a closure assembly. The main body portion defines an interior space. The finish portion is unitary with the main body portion and defines a mouth in communication with the interior space. The finish portion has an inner surface, an outer surface and an upper rim proximate the mouth. The inner surface has an inner undercut defined therein proximate the upper rim. The outer surface has an outer undercut defined therein proximate the upper rim. The closure assembly is mounted to the finish portion in engagement with both the inner undercut and the outer undercut.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.