Invention Grant
- Patent Title: Laminated nonwoven fabric and air purifier
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Application No.: US15178815Application Date: 2016-06-10
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Publication No.: US10174441B2Publication Date: 2019-01-08
- Inventor: Taichi Nakamura , Takayoshi Yamaguchi , Hiroto Sumida , Takahiro Kurokawa , Takatoshi Mitsushima
- Applicant: Panasonic Intellectual Property Management Co., Ltd.
- Applicant Address: JP Osaka
- Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Current Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Current Assignee Address: JP Osaka
- Agency: Pearne & Gordon LLP
- Priority: JP2015-150693 20150730
- Main IPC: B01D53/22
- IPC: B01D53/22 ; D01D5/00 ; B32B5/02 ; B32B5/26 ; B01D39/16 ; B01D39/20 ; B32B5/08 ; B32B7/02 ; B32B7/12

Abstract:
A laminated nonwoven fabric (NF) includes a first NF containing first fibers and a second NF containing second fibers and laminated on the first NF, and has a cut-off edge at an end thereof. An average diameter of the first fibers is larger than that of the second fibers not more than 3 μm. 50% by mass to 70% by mass, inclusive, of the second fibers satisfy x≥y, and 5% by mass to 30% by mass, inclusive, thereof satisfy x
Public/Granted literature
- US20170028335A1 LAMINATED NONWOVEN FABRIC AND AIR PURIFIER Public/Granted day:2017-02-02
Information query
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