Case made of sheet material with centering tabs and blank for producing same
US6257411A · kind A · utility
20Cited by
7References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 6, 1999 |
| Grant date | Jul 10, 2001 |
| Priority date | — |
| Expiry date | Aug 6, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S229/915
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The invention concerns a case and a blank made of sheet corrugated cardboard or the like, the case having a polygonal cross section, having side faces, an upper face forming a lid, and a lower face forming the bottom of the case. The lid has at least two tabs located on two opposite sides of the lid, cut from the upper face or from side faces adjacent the upper face. The bottom has at least two recesses on its lower surface corresponding to the tabs, complementary in shape to the tabs and arranged such that the recesses fit into the tabs of a case stacked beneath.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.