Cutting thermoplastic webs
US4679474A · kind A · utility
8Cited by
5References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 6, 1985 |
| Grant date | Jul 14, 1987 |
| Priority date | — |
| Expiry date | Dec 6, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/6595
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Disclosed is an apparatus for slitting a continuous strip of thermoplastic web by a knife heated to a temperature below the melting or fusing temperature of the web. By heating the knife the cutting force is substantially reduced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.