Coextrusion feedblock
US10442126B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 21, 2016 |
| Grant date | Oct 15, 2019 |
| Priority date | — |
| Expiry date | Aug 28, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C2948/92647
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A coextrusion feedblock is disclosed having a housing, a central extrusion channel, a coextrusion channel, a rotatable combining plane, a rotatable profile actuator, and a profiled bar mounted removably on the rotatable profile actuator. The central extrusion channel and the coextrusion channel pass through the housing. The rotatable combining plane and the rotatable profile actuator are positioned on opposite sides of the coextrusion channel so as to confront each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.