Article formed from at least a fibrous material jet comprising at least a null thickness zone and method for making same
US7632380B2 · kind B2 · utility
5Cited by
19References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 21, 2003 |
| Grant date | Dec 15, 2009 |
| Priority date | — |
| Expiry date | Dec 19, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24612
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to an article formed from at least one ply of fibrous material comprising at least one region of zero thickness, characterized in that said region is covered on at least one of its faces with an at least partly transparent or translucent structure placed so as to reveal a transparent or translucent window in the paper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.