Child-resistant paperboard blister package and method of making the same
US5172812A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 23, 1992 |
| Grant date | Dec 22, 1992 |
| Priority date | — |
| Expiry date | Jan 23, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2585/56
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A child resistant blister package includes a top sheet of paperboard having apertures. A thermoformed plastic sheet includes blisters which project through the apertures. A sheet of rupturable material closes off each blister. A bottom sheet of paperboard material is peelably laminated to the sheet of rupturable material. The bottom sheet includes a removable strip being defined by a continuous cut and having a pull-tab. The top sheet includes a severable pull tab extension. A tablet in a respective blister is removable therefrom by pressure being applied at a limited region of the blister, along the edge of the blister closest to the pull-tab, to rupture the rupturable sheet material. The tablet is not removable by pressure applied at a region remote from the pull tab.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.