Peelable pouch-like packaging for photographic sheet film
US5885673A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 8, 1995 |
| Grant date | Mar 23, 1999 |
| Priority date | — |
| Expiry date | Nov 8, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1383
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Packaging material 10 for a sealable, easy opening, tear resistant pouch-like package 100 comprises a first layer 12 including an oriented polymeric material having a front side capable of receiving surface printed information. A second layer 16 bonded to the first layer 12 includes a light barrier and moisture impervious material. Bonded to the second layer is a third layer 18 comprising a a coextruded film comprising carbon black-loaded linear low density polyethylene-EVA-polybutylene or carbon black loaded linear low density polyethylene film with an EVA gel lacquer coating. The material 10 overwraps the photographic product in a pouch-like structure comprising a flap 120, having along its length, a lengthwise seal 123 projecting outwardly of a second side 114. Second side 114 along with a first side 116 of package 100, extend between opposed hermetically sealed rearward and forward end portions 116,118.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.