Device for cutting a strip of paper or similar material along preestablished transverse lines of weakness
US4697726A · kind A · utility
23Cited by
8References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 17, 1985 |
| Grant date | Oct 6, 1987 |
| Priority date | — |
| Expiry date | Dec 17, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T225/393
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A device for cutting a strip of paper or similar material, i.e. material in a flexible sheet which can be cut or torn easily, said strip having preestablished transverse lines of weakness. The strip is tensioned and then contacted with a blunt edged blade to tear the strip at the line of weakness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.