Die for continuously extruding hollow articles from thermosetting resins
US4088434A · kind A · utility
7Cited by
5References
4Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jan 17, 1977 |
| Grant date | May 9, 1978 |
| Priority date | — |
| Expiry date | Jan 17, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2301/10
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A die for continuously extruding hollow articles from thermosetting resins comprises an outer cylinder and an inner cylinder arranged coaxially with an annular gap left between them for the passage of resin, both cylinders being adjusted so as to be cooled at their upstream portions and heated at their downstream portions relative to the flow of extrusion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.