发明名称 |
NEEDLING PROCESS FOR SPUNBONDED COMPOSITES |
摘要 |
<p>A process is disclosed for manufacturing a high strength composite structure by needling individual webs of initially spunbonded material and then needle-punching a stack of the individual webs to enmesh and entangle filaments across the webs, with little or no loss of the initial filament-related strength.</p> |
申请公布号 |
EP0371515(A3) |
申请公布日期 |
1990.08.16 |
申请号 |
EP19890122214 |
申请日期 |
1989.12.01 |
申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
SERAFINI, FRANCO LUIGI |
分类号 |
D04H1/46;(IPC1-7):D04H3/10 |
主分类号 |
D04H1/46 |
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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