Apparatus for packaging stacks of sheet material
US4480422A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 27, 1981 |
| Grant date | Nov 6, 1984 |
| Priority date | — |
| Expiry date | Apr 27, 2001 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B25/141
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An apparatus is disclosed for packaging large stacks of sheet material such as reams (10) of folio-sized paper. The reams are positioned on a precut bottom carton blank (24) and conveyed to a folding station (110). A top carton blank (50) is then positioned on the upper surface of the ream. Then peripheral flaps (34, 36, 42, 44, 46, 48) on the bottom carton blank are folded upward adjacent the sides of the ream. The preglued side flaps (58, 60) and end flaps (70, 72) of the top carton blank are folded downward into contact with the flaps of the bottom carton blank. All folding operations are performed as the ream moves along an essentially straight path through the apparatus, thus providing a compact packaging system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.