Packaging machine, material and method
US5944424A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 18, 1997 |
| Grant date | Aug 31, 1999 |
| Priority date | — |
| Expiry date | Nov 18, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B43/267
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A packaging machine and process for loading bags of a novel web of side connected bags are disclosed. The web is fed through a bagger section by a pair of grooved main transport belts and a pair of lip transport belts each disposed in the groove of the associated main belt to trap bag lips in the grooves. Adjustable belt spreaders space reaches of the transport belts as they move through a load station whereby to sequentially open the bags into rectangular configurations. A closure section in the form of a novel and improved heat sealer is releasably connectable to the bagger section. The sections are adjustable together between horizontal and vertical orientations. Processes of opening, closing and sealing side connected bags are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.