Molded resin body production method
US12138845B2 · kind B2 · utility
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3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 6, 2019 |
| Grant date | Nov 12, 2024 |
| Priority date | — |
| Expiry date | Aug 21, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2027/18
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Provided is a method for producing a resin molded article, capable of reducing deterioration of resin during melt extrusion. The method includes passing a resin fed from a hopper for resin through a molding machine provided with the hopper, an extruder, and a pressure control device in this order, to produce a resin molded article, the resin pressure between a tip of the extruder and an inlet port for resin of the pressure control device being 15.0 MPa or lower.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.