| PATENT ASSIGNEE'S COUNTRY | Japan |
| UPDATE | 09.99 |
| PATENT ASSIGNEE | Sekisui Kaseihin Kogyo KK |
| PATENT CLAIMS |
- Melting & kneading of compn comprising moisture-contg TP polyester & fluoroplastic - Moisture removal by venting molten resin under vacuum - Foaming agent injection - Extrusion foaming step for extruding & foaming the foaming molten resin into a low pressure region |
| PATENT PHOTOCOPY | Available on request |
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