Manually openable sealed overwrap and tray
US10315823B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 12, 2013 |
| Grant date | Jun 11, 2019 |
| Priority date | — |
| Expiry date | Sep 28, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2577/2091
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present invention relates to improved manually openable packages which include a rigid or semi-rigid tray having a single thermoplastic overwrap comprising a polymeric laminate surrounding the tray and having a front panel and an opposing back panel. The inventive packages also include a continuous seal circumscribing a recessed cavity of the tray which comprises a heat seal formed by heat sealing a portion of the front panel to the peripheral flange of the tray.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.