Wrinkle reduction assembly
US6860958B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2002 |
| Grant date | Mar 1, 2005 |
| Priority date | — |
| Expiry date | May 29, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1313
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An apparatus for reducing wrinkles in a film includes a first pair of cylindrical rollers including a first roller and a second roller, the first and second roller each in parallel juxtaposed relation to each other, and each having a substantially smooth surface; and a second pair of cylindrical rollers including a third roller and a fourth roller, the third and fourth roller each in parallel juxtaposed relation to each other, and at least one of the third and fourth roller having a chevron pattern disposed on the surface thereof; the first pair of rollers being adjacent to and spaced apart from the second pair of rollers. A method for reducing wrinkles is also disclosed herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.