Plastics processing roll, plastic film processing device and method for producing double-sided structured plastic films
US9962860B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 8, 2014 |
| Grant date | May 8, 2018 |
| Priority date | — |
| Expiry date | Sep 8, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2007/008
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present invention discloses a plastic processing roll, comprising a rigid inner cylinder covered at least partially by at least one flexible liner. Said flexible liner comprises a plurality of fluid ducts, each of which being connected to an inflow duct and being connected to an outflow duct. An elastic metal sleeve encases said flexible liner and is designed to be friction-locked by means of pressurizing the fluid ducts. Said flexible liner is formed by a plurality of longitudinal elements being arranged in parallel to each other, wherein each of said longitudinal elements houses at least one of said fluid ducts. Furthermore a plastic processing device and a method for producing double-sided structured plastic films is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.