发明名称 ZWEIMEDIEN STAUBSAUGERBEUTEL
摘要 There is provided a vacuum cleaner filer bag including at least two sidewalls which sidewalls are joined by seams. At least one first sidewall comprises a film laminate of a heat sealable film layer and a film support layer. At least one second sidewall comprises a filter laminate comprising at least a synthetic fiber filter layer and synthetic fiber support layer where the at least one first sidewall is joined to adjacent sidewalls by thermal seams. The filter layer is preferably a high efficiency microfiber filter media which provides HEPA level performance for the vacuum cleaner bag.
申请公布号 DE60032223(T2) 申请公布日期 2007.09.20
申请号 DE2000632223T 申请日期 2000.03.06
申请人 3M INNOVATIVE PROPERTIES CO. 发明人 ZHANG, ZHIQUN
分类号 B01D39/14;A47L9/14;B01D39/16 主分类号 B01D39/14
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