| 发明名称 |
METHOD AND SYSTEM FOR EXTRUDING TUBULAR FOAMED POLYMER SHEET |
| 摘要 |
A process and system for the formation of a polymer foam sheet of comparatively uniform biaxially orientation and comparatively uniform dimensions prepared by extruding polymer foam so that it rides on a fluid bearing film between the point of extrusion and a point of diameter expansion of the extruding tube. |
| 申请公布号 |
EP0113995(A3) |
申请公布日期 |
1985.11.27 |
| 申请号 |
EP19830307784 |
申请日期 |
1983.12.20 |
| 申请人 |
MOBIL OIL CORPORATION |
发明人 |
JOHNSON, DAVID EMIL |
| 分类号 |
B29B7/00;B29C44/50;B29C47/00;B29C47/20;B29C47/88;B29C47/90;B29C47/92 |
主分类号 |
B29B7/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
