Flexible panel to offset pressure differential
US10195781B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2012 |
| Grant date | Feb 5, 2019 |
| Priority date | — |
| Expiry date | Mar 9, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D79/0081
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Provided is a container that includes a top having an opening configured to receive a product. The container also includes a bottom adjoining a sidewall that extends to the top of the container and a flexible panel disposed on the bottom and having a plurality of surfaces that each extend radially around a longitudinal axis of the container. One of the plurality of surfaces comprises a downward ramp that extends away from the top of the container when moving radially inward along the downward ramp and another of the surfaces comprises an upward ramp that extends toward the top of the container when moving radially inward along the upward ramp. The surfaces may include dimples protruding inward from the outer surface of the container that have an interlocking pattern.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.