Machine for making a tapering carton
US5160307A · kind A · utility
32Cited by
6References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 17, 1991 |
| Grant date | Nov 3, 1992 |
| Priority date | — |
| Expiry date | Dec 17, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB31B50/44
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A pack made of sheet material such as card or corrugated card has rectangular side faces that are interconnected in pairs by respective fold lines, said fold lines being mutually parallel and said side faces forming a rectangular parallelepiped. According to the invention this pack is remarkable in that it includes other side faces that form a pyramid whose base coincides with a face of said parallelepiped. The pack is obtained from a blank of sheet material that includes trapezium-shaped or triangular panels hinged to rectangular panels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.