发明申请
- 专利标题: Product and Method of Forming a Gradient Density Fibrous Filter
- 专利标题(中): 梯度密度纤维过滤器的产品和方法
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申请号: US11761812申请日: 2007-06-12
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公开(公告)号: US20070227359A1公开(公告)日: 2007-10-04
- 发明人: Kyung-Ju Choi
- 申请人: Kyung-Ju Choi
- 主分类号: B01D39/00
- IPC分类号: B01D39/00 ; B01D53/22 ; B29B9/10
摘要:
A filter media product and method of making the same wherein at least two filter media thicknesses of differing average coarse and fine fiber sizes are held in intertangled relationship forming a gradient density fibrous filter media with the fiber sizes having an overall average in successive thicknesses being either greater or less than the average fiber size of the intertangled fiber thickness(es).
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