发明名称 |
Apparatus useful in control of edge uniformity in nonwoven fabrics |
摘要 |
A nonwoven fabric is passed to a compression zone wherein the edge portions of said fabric are compressed to produce a nonwoven fabric with a uniform thickness.
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申请公布号 |
US4186470(A) |
申请公布日期 |
1980.02.05 |
申请号 |
US19780919586 |
申请日期 |
1978.06.27 |
申请人 |
PHILLIPS PETROLEUM |
发明人 |
STOLLER, FREDERICK L |
分类号 |
D04H1/44;(IPC1-7):D04H18/00;D04H1/46 |
主分类号 |
D04H1/44 |
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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