| 发明名称 |
Meltblown process with mechanical attenuation |
| 摘要 |
Cellulose containing dope is extruded through orifices and into a stream of gas moving in a direction generally parallel to the direction that the filaments are formed with varying degrees of mechanical attenuation provided to the filaments using a take-up device, such as a winder.
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| 申请公布号 |
US6773648(B2) |
申请公布日期 |
2004.08.10 |
| 申请号 |
US20020120964 |
申请日期 |
2002.04.10 |
| 申请人 |
WEYERHAEUSER COMPANY |
发明人 |
LUO MENGKUI;ROSCELLI VINCENT A.;CAMARENA SENEN;NEOGI AMAR N.;SELBY JOHN S. |
| 分类号 |
D01D5/098;D01D5/16;D01D5/18;D01F2/00;D21C3/02;D21C9/00;D21C9/10;(IPC1-7):B32B31/08;B29C47/88 |
主分类号 |
D01D5/098 |
| 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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