| 发明名称 |
Process for manufacturing bodies of polymeric material, comprising a core of foamed material enclosed by outer shell, and device used in said process. |
| 摘要 |
<p>A PROCESS TO PRODUCE BODIES OF POLYMERIC MATERIAL COMPRISES EXTRUDING A TUBULAR ELEMENT (I.E., A "PARISON"), AND CAUSING SAID TUBULAR PARISON TO UNDERGO SWELLING UNTIL IT REACHES, AND CONFORMS TO, THE WALLS OF A MOULD, BY MEANS OF THE INJECTION, INSIDE THE INTERIOR OF SAID PARISON, OF A FOAMABLE POLYMERIC MATERIAL SUITABLE FOR CONSTITUTING THE FOAMED CORE OF SAID BODY. <IMAGE></p> |
| 申请公布号 |
EP0542302(A1) |
申请公布日期 |
1993.05.19 |
| 申请号 |
EP19920119471 |
申请日期 |
1992.11.13 |
| 申请人 |
CENTRO SVILUPPO SETTORI IMPIEGO S.R.L. |
发明人 |
ADDEO, ANTONIO;MASCIA, FRANCESCO;VEZZOLI, ANNIBALE;BISCOTTI, AURELIO |
| 分类号 |
B29C49/04;B29C44/16;B29C47/20;B29C49/20;B29C49/46;B29C49/48;B29C49/50;B29K105/04;B29L9/00 |
主分类号 |
B29C49/04 |
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代理人 |
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