Wrapping a load while controlling wrap tension
US5836140A · kind A · utility
67Cited by
30References
52Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 13, 1996 |
| Grant date | Nov 17, 1998 |
| Priority date | — |
| Expiry date | Nov 13, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B2210/16
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A stretch wrapping machine includes a film dispenser for dispensing packaging material and tensioning control means for controlling the tension of the packaging material during application to a load. The dispenser and tension controlling means may be used with a round frame, a frame with corners, a driving mechanism or a turntable, at least one of which will have signaling means for activating the tension controlling means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.