Packaging bag
US7063228B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 15, 2002 |
| Grant date | Jun 20, 2006 |
| Priority date | — |
| Expiry date | Apr 21, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2205/00
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Packaging bag which comprises a main body walls of which envelops a first internal space, a wing part which envelops a second internal space, a point-seal part formed within the wing part, and a steam permeable means located within an area which is isolated from the first and second inner spaces by the point-seal part; wherein the first internal space is used for storing contents and is subjected to sealing to make a sealed space after contents storing, wherein the wing part is formed of two walls mutually-faced and extended from the wall of the main body in the direction of intersecting to the face of main body, and wherein the second inner space is communicated with the first internal space at an end thereof and closed at other ends thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.