Tray having raised edges and rounded centering devices, and blank for producing such a tray
US9718580B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 3, 2011 |
| Grant date | Aug 1, 2017 |
| Priority date | — |
| Expiry date | Mar 29, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D5/545
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a tray made of corrugated cardboard sheet material, and to blanks for preparing such a tray having a polygonal cross-section. Said blank comprises sidewalls, raised edges or portions of raised edges on two opposite sides of an upper portion, and a lower wall forming the bottom (36) of the case. Each raised edge or portion of raised edge includes at least one rounded portion (34), and the bottom includes perforated surface portions (35) which have a shape complementary to that of the rounded portions, which are arranged opposite the latter, and are arranged so as to fit into the rounded portions of the tray from below.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.