Extrusion apparatus for sheathing a temperature sensitive core material
US5197319A · kind A · utility
9Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 1991 |
| Grant date | Mar 30, 1993 |
| Priority date | — |
| Expiry date | Dec 5, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21C31/00
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An apparatus for extruding a sheath or cladding about a temperature sensitive core material wherein the melting point of the core material is lower than the temperature of the extruded sheath or cladding. The apparatus utilizes a cooling chamber separated from said extrusion die assembly to cool the core material prior to the core material entering the extrusion die assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.