Rectangular paperboard package
US4813545A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 13, 1988 |
| Grant date | Mar 21, 1989 |
| Priority date | — |
| Expiry date | May 13, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D5/548
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A rectangular paperboard package is fabricated from a single precut and prescored blank of paperboard material. The package includes a top panel having first and second side panels having upper edges connected to opposite parallel edges of the top panel. The first and second side panels are each provided with front extension portions which cooperate to define a front panel and are sealingly connected to define a vertically extending front fin seal. The side panels are further provided with rear extension portions which cooperate to define a rear panel and are sealingly connected to define a vertically extending rear fin seal. The top panel includes front and rear extension portions which cooperate with upper extension portions of the front and rear panels to define front and rear top fin seals. The bottom panel of the package is formed by cooperating lower extension portions of the first and second side panels which define an intermediate bottom fin seal. The bottom panel includes front and rear extension portions which cooperate with lower extension portions of the front and rear panels to define front and rear bottom fin seals. The various extension portions are designed to effec…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.