Open gap film roll core
US9290348B2 · kind B2 · utility
4Cited by
8References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2011 |
| Grant date | Mar 22, 2016 |
| Priority date | — |
| Expiry date | Jun 8, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2408/23
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The disclosure generally relates to a film roll core used for winding a polymeric film around, an apparatus for winding the polymeric film on the film roll core, a process of winding the polymeric film on the film roll core, and a rolled film on the film roll core. The disclosure more particularly relates to an open gap film roll core that is capable of reducing defects in wound films.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.