Method and apparatus for interleaving plastic bags
US5390875A · kind A · utility
41Cited by
8References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 3, 1993 |
| Grant date | Feb 21, 1995 |
| Priority date | — |
| Expiry date | May 3, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2701/191
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present invention is directed to a method and apparatus for winding bags. A winder in accordance with the present invention includes a dancer assembly for speed regulation, a haul-in assembly for receiving a film, and a tumbler assembly to receive the film from the haul-in assembly. The tumbler assembly increases the path length the film travels to either separate bags and/or to provide for interleaving.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.