Extrusion device and method of use
US10220561B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 4, 2015 |
| Grant date | Mar 5, 2019 |
| Priority date | — |
| Expiry date | Feb 28, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C48/495
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention provides an extrusion device having an adjustment valve that is rotatable between first and second operative positions. The extrusion device is configured to produce a first layer arrangement when the adjustment valve is in the first operative position and to produce a second layer arrangement when the adjustment valve is in the second operative position. Also provided are methods of using an extrusion device to produce different layer arrangements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.