Process for perforating a web
US8757058B2 · kind B2 · utility
39Cited by
68References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 21, 2010 |
| Grant date | Jun 24, 2014 |
| Priority date | — |
| Expiry date | Dec 31, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/0515
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Methods for perforating web products are disclosed that include forming selected perforation designs and patterns. The perforation designs and patterns can be formed in linear or nonlinear fashion, can extend in the cross direction or the machine direction and can be formed to complement or match an embossed or printed design on the web. The perforation designs and patterns can be formed utilizing various mechanical perforating techniques.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.