Child resistant packaging
US9717650B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 27, 2015 |
| Grant date | Aug 1, 2017 |
| Priority date | — |
| Expiry date | Feb 27, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F2003/0272
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A child resistant blister pack includes a blister layer which includes one or more blister cavities for receiving a product. A frangible retaining layer is attached to the blister layer over the blister cavities to retain the product within the blister cavities. A first backing layer is attached to the retaining layer on a side opposite the blister layer. The first backing layer has one or more lines of weakness aligned with the blister cavities. A second backing layer is attached to the first backing layer on a side opposite the retaining layer. The second backing layer has a plurality of removable sections. At least two removable sections are arranged over each line of weakness in the underlying first backing layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.