| 发明名称 |
PROCEDIMENTO PER LA COLATA A ZONE DI SCHIUME POLIURETANICHE |
| 摘要 |
<p>A foamed article having zones of varying hardness is prepared by moving a shaping means relative to at least two foam pouring means to distribute a foamable mixture over the surface of the shaping means in a fan-shaped pattern in response to the relative motion between the pouring means and the shaper, adjusting the fan-shaped pattern to define zones in the foamed article having the desired physical characteristics.</p> |
| 申请公布号 |
IT1086727(B) |
申请公布日期 |
1985.05.31 |
| 申请号 |
IT19770048571 |
申请日期 |
1977.03.21 |
| 申请人 |
THE GOODYEAR TIRE & RUBBER CO SOC' DELLO STATO DELL'OHIO |
发明人 |
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| 分类号 |
B29C39/00;B29C39/24;B29C44/04;(IPC1-7):C08L/ |
主分类号 |
B29C39/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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