Method and apparatus for the manufacture of paper sheets having decorative edges
US4601692A · kind A · utility
8Cited by
10References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 28, 1984 |
| Grant date | Jul 22, 1986 |
| Priority date | — |
| Expiry date | Sep 28, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T225/35
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method and apparatus for manufacturing paper sheets having an appearance of being hand-made, the method comprising the steps of forming watermarks on a continuous web along longitudinal and transverse zones spaced according to the width and length of the paper sheets, drying the continuous web, crushing longitudinal and transverse regions of the dried continuous web within the watermarked longitudinal and transverse zones, respectively, tearing and separating the dried continuous web along the longitudinal and transverse crushed regions, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.