Inverting vacuum panels for a plastic container
US6920992B2 · kind B2 · utility
48Cited by
22References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 10, 2003 |
| Grant date | Jul 26, 2005 |
| Priority date | — |
| Expiry date | Apr 10, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D1/0223
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A sidewall portion of a plastic container adapted for vacuum pressure absorption. The sidewall portion including generally rectangular shaped vacuum panels equidistantly spaced about the container The vacuum panels being defined in at least part by an upper portion, a central portion and a lower portion formed in a compound curve shape. The vacuum panels being moveable to accommodate vacuum forces generated within the container thereby decreasing the volume of the container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.