Coextrusion feedblock and coextrusion profiling insert assembly
US9216534B2 · kind B2 · utility
1Cited by
28References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 11, 2013 |
| Grant date | Dec 22, 2015 |
| Priority date | — |
| Expiry date | Nov 15, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2009/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention provides a coextrusion feedblock. The feedblock has a flow adjuster comprising a plurality of independently rotatable adjustment segments. Actuators are coupled with respective adjustment segments of the flow adjuster, such that the segments can be rotated by operating the actuators. The invention also provides a coextrusion profiling insert assembly for mounting removably in a coextrusion feedblock.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.