Vacuum base for container
US9834359B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 20, 2014 |
| Grant date | Dec 5, 2017 |
| Priority date | — |
| Expiry date | Feb 20, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D51/245
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A container including a finish, a shoulder portion, a sidewall, and a base portion. The finish defines an opening. The shoulder portion extends from the finish. The sidewall extends from the shoulder portion and defines a volume of the container. The base portion is at an end of the sidewall opposite to the shoulder portion. The base portion includes a primary standing ring and a secondary standing ring. The base portion is movable from an as-blown position to an expanded position and from the expanded position to a retracted position. In the as-blown and retracted positions the primary standing ring is configured to support the container upright. In the expanded position the secondary standing ring is configured to support the container upright.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.