发明名称 |
Vacuum cleaner bag with electrostatically charged meltblown layer |
摘要 |
This invention relates to a vacuum cleaner filter having an outer textile fabric material laminated to a non-woven composite material. The composite material comprises an inner and an outer cover layer of a spun-bonded, non-woven web material, with at least one electrostatically charged intermediate meltblown layer sandwiched therebetween.
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申请公布号 |
US5306534(A) |
申请公布日期 |
1994.04.26 |
申请号 |
US19920907162 |
申请日期 |
1992.07.01 |
申请人 |
HOME CARE INDUSTRIES, INC. |
发明人 |
BOSSES, MARK D. |
分类号 |
A47L5/28;A47L9/12;A47L9/14;B01D39/08;(IPC1-7):B65D30/04;B01D46/00 |
主分类号 |
A47L5/28 |
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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