Laminated lidstock
US7681732B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 13, 2008 |
| Grant date | Mar 23, 2010 |
| Priority date | — |
| Expiry date | Jun 13, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1486
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A laminated lidstock includes a substrate film, a support web; a pressure sensitive adhesive disposed between the substrate and support webs, and covering the substrate film and support web except for a clear area disposed near one end of the laminated lidstock; a first die cut disposed in the substrate film; a second die cut disposed in the support web; a pull tab; and a tamper evidence device including an end portion of the support web, defined by a first end, a first side edge, and a second side edge of the package made from the laminated lidstock, and the second die cut, capable of indicating tampering of the package upon removal of the tamper evidence device from the support web; wherein at least one of the substrate film and the support web carries a registration device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.