Invention Application
- Patent Title: FILTER UNIT
- Patent Title (中): 过滤器单元
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Application No.: PCT/US2016/027043Application Date: 2016-04-12
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Publication No.: WO2016168152A1Publication Date: 2016-10-20
- Inventor: NONOGI, Mari , TAKASHINA, Tadahiro , SASAKI, Makoto
- Applicant: 3M INNOVATIVE PROPERTIES COMPANY
- Applicant Address: 3M Center Post Office Box 33427 Saint Paul, Minnesota 55133-3427 US
- Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee Address: 3M Center Post Office Box 33427 Saint Paul, Minnesota 55133-3427 US
- Agency: HANSON, Karl G., et al.
- Priority: JP2015-085040 20150417
- Main IPC: A62B23/02
- IPC: A62B23/02 ; A41D13/11 ; A62B7/10 ; A62B18/02 ; A62B18/08
Abstract:
The charged filter is provided with a first layer and a second layer. The first layer is provided with a base and a plurality of solid protrusions that extends from a surface of the base and is adjacent to the second layer, the protrusions having a stem portion that has a root-side side surface and a tip-side side surface. A first angle, which is one angle from among an angle formed between the root-side side surface of the stem portion and the base of the first layer and an angle formed between the tip-side side surface of the stem portion and the base of the second layer, is 90° or more and less than 180° and a second angle, which is the other angle among these, is 45° or more and less than 180°.
Information query
