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Patent Searching and Data


Title:
SPUNBOND NONWOVEN FABRIC
Document Type and Number:
WIPO Patent Application WO/2019/078176
Kind Code:
A1
Abstract:
This spunbond nonwoven fabric is constituted by a fine fiber with a flattened cross-section that comprises a polyolefin resin monofilament having a fineness of 0.5-2.0 dtex and a flat cross section with a flatness of at least 1.5. When measured according to the KES method, the surface roughness SMD of at least one face of the spunbond nonwoven fabric is 1.0-3.0 µm and the average flexural rigidity B is 0.001-0.020 gf∙cm2/cm.

Inventors:
NAKANO Yohei (Toray Industries Inc., 1-1, Sonoyama 1-chome, Otsu-sh, Shiga 58, 〒5208558, JP)
SHIMADA Daiki (Toray Industries Inc., 1-1, Sonoyama 1-chome, Otsu-sh, Shiga 58, 〒5208558, JP)
HANE Ryoichi (Toray Industries Inc., 1-1, Sonoyama 1-chome, Otsu-sh, Shiga 58, 〒5208558, JP)
Application Number:
JP2018/038384
Publication Date:
April 25, 2019
Filing Date:
October 15, 2018
Export Citation:
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Assignee:
TORAY INDUSTRIES, INC. (1-1 Nihonbashi-Muromachi 2-chome, Chuo-ku Tokyo, 66, 〒1038666, JP)
International Classes:
D04H3/018; D04H3/007; D04H3/016
Foreign References:
JPH11286862A1999-10-19
JP2000355866A2000-12-26
JP2003319970A2003-11-11
JPH09119011A1997-05-06
JPH0531137A1993-02-09
JPS646161A1989-01-10
JP2011052332A2011-03-17
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (Toranomon East Bldg. 10F, 7-13 Nishi-Shimbashi 1-chome, Minato-k, Tokyo 03, 〒1050003, JP)
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