Hinged semi-rigid container having wall stiffening means
US5515993A · kind A · utility
143Cited by
10References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 12, 1994 |
| Grant date | May 14, 1996 |
| Priority date | — |
| Expiry date | Dec 12, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D43/162
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A thermoplastic hinged container having stiffened side walls and having spaced channels in a shoulder/flange seal portion of the container base and mating stiffening lugs in an opposing lid portion to prevent warping of the container during closure and provide improved sealing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.