Carton flap opener
US4638620A · kind A · utility
1Cited by
6References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 23, 1985 |
| Grant date | Jan 27, 1987 |
| Priority date | — |
| Expiry date | Apr 23, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B43/39
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Three wheels rotate together to achieve sequential movement of the leading top flap of a conventional packing case such that the case has its top flaps out-folded prior to the arrival of the case at a load station in a continuous motion packer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.