Manufacturing method and system and associated rolls of sheets with alternating cuts and pre-cuts
US8298640B2 · kind B2 · utility
14Cited by
9References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2007 |
| Grant date | Oct 30, 2012 |
| Priority date | — |
| Expiry date | Mar 23, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/15
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a roll made of a succession of single-use absorbing paper sheets separated along at least one side thereof, perpendicular to the unwinding direction of the roll by parallel pre-cuts, the sheets being further separated by cuts extending along at least 80% of the cut side of the sheets, and the cuts and pre-cuts alternating in the roll unwinding direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.