Wrapping machine with sealing jaw assembly for baled products and packages
US6256969A · kind A · utility
13Cited by
15References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 16, 1999 |
| Grant date | Jul 10, 2001 |
| Priority date | — |
| Expiry date | Apr 16, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C66/81831
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A machine wraps packages such as bales of crumb rubber, or other containers of goods, into a protective synthetic resin film bag or cover. The machine is provided with a set of movable jaws each having a heat-sealing frame assembly having improved heat transfer characteristics. The heat-sealing frame assembly is composed of heat sealing units which have enhanced heat distribution and reduced cold spot or no-seal areas, and also reduced hot spot burn-through. Heat transfer from the heat sealing elements to the remaining portions of the baling assembly is also reduced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.