Bag of a heat-shrinkable gas-barrier thermoplastic film
US8021049B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 17, 2009 |
| Grant date | Sep 20, 2011 |
| Priority date | — |
| Expiry date | Mar 9, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D81/2023
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A bag of a heat shrinkable, gas-barrier thermoplastic film for packaging an item comprises a first seal adjacent a bottom edge and connecting first and second side edges, and defining an area between it, the side edges and a top edge for receiving the item, a second seal along the bottom edge or between the bottom edge and the first seal and connecting the side edges, and having a shaped portion adjacent a corner of the bag at the first side edge and the bottom edge which projects towards the top edge, and a precut extending from the bottom edge towards an apex of the shaped portion, the first seal extending from the second side edge towards the shaped portion at a level below the apex and around the shaped portion to the first side edge, and a manually graspable tab being formed between the first side edge, the first and second seals adjacent the first side edge and the shaped portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.