Pouches of wrapping paper for containing medicinal doses
US5908113A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 19, 1998 |
| Grant date | Jun 1, 1999 |
| Priority date | — |
| Expiry date | Feb 19, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D75/42
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An object of the present invention is to prevent a pouch 6 from being broken when it is separated from the rest along a perforation 9 by providing the perforation 9 for separating the pouch 6 and a notch 10 for tearing the pouch, where the direction of said notch intersecting that of the perforation. A sheet of wrapping paper 1 comprises a polypropylene layer and a polyethylene layer formed on a surface of the polypropylene layer for thermal welding. The wrapping paper 1 additionally comprises a printable white layer 4 formed on the other surface of the polypropylene layer and designed to be exposed to the outside when the wrapping paper is longitudinally folded into two halves with the polyethylene layer 3 facing inside. The folded wrapping paper 1 is then thermally welded to produce a plurality of continuously arranged pouches 6 for containing doses. A thermally welded transversal edge section 7 which is perpendicular to longitudinal direction of the wrapping paper has a perforation 9 for the separation of the pouches. A notch 10 is formed at a position along the perforation 9 and in a direction intersecting that of the perforation so that the separated notch can be torn from the…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.