Bag forming and bagger apparatus and method
US4586318A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 22, 1983 |
| Grant date | May 6, 1986 |
| Priority date | — |
| Expiry date | Dec 22, 2003 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B9/13
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Apparatus and method for continuously forming and filling plastic film by successively providing a continuous length of the film, slitting only the topside of the film at pre-determined intervals lengthwise of the film while tack sealing together both the top and bottom sides of the film at corresponding intervals, moving the slitted and tack sealed film into a bag forming and filling station, forming the plastic film successively into a plurality of open top bags, filling each bag with the desired material, thereafter simultaneously sealing the top of each filled bag and sealing the bottom of the next bag to be filled, removing each filled bag from the filling station and simultaneously advancing the next bag to be filled into the filling station.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.