Packaging machine and method
US4969310A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 12, 1989 |
| Grant date | Nov 13, 1990 |
| Priority date | — |
| Expiry date | May 12, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B43/267
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A machine and method for loading bags of a preformed web of side interconnected bags. The top of a bag web is slit open and then fed between a pair of belt conveyors. The tops of the bags projecting over the conveyors belts are folded down over them and then gripped by a second pair of conveyor belts. At a load station the belts are spread to open bags sequentially and one at a time for loading. After loading a bag is separated from the web and fed through a sealing section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.