Apparatus for perforating a web material
US8468938B2 · kind B2 · utility
43Cited by
73References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 21, 2010 |
| Grant date | Jun 25, 2013 |
| Priority date | — |
| Expiry date | Jul 25, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/4836
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Apparatuses 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.