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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11293123 B1

PDFFull Text
Date of Patent:
Apr. 05, 2022

Filed:

Aug. 16, 2018

Woven fabric

Applicant:

Toyobo Stc Co., Ltd., Osaka, JP;

Inventors:

Tadato Onodera, Osaka, JP;

Hajime Tone, Osaka, JP;

Hideki Kawabata, Osaka, JP;

Assignee:

TOYOBO STC CO., LTD., Osaka, JP;

Attorney:

Wenderoth, Lind & Ponack, L.L.P.

Primary Examiner:

Vincent Tatesure

Int. Cl.
CPC ...
D03D 15/00 (2021.01); D03D 15/44 (2021.01); D01D 5/253 (2006.01); D01F 1/10 (2006.01); D06P 3/54 (2006.01); D06P 7/00 (2006.01); D06P 3/24 (2006.01); D01F 6/60 (2006.01); A41D 31/00 (2019.01); D01F 6/62 (2006.01);
U.S. Cl.
CPC ...
D03D 15/44 (2021.01); D01D 5/253 (2013.01); D01F 1/10 (2013.01); D06P 3/241 (2013.01); D06P 3/54 (2013.01); D06P 7/00 (2013.01); A41D 31/00 (2013.01); D01F 6/60 (2013.01); D01F 6/62 (2013.01); D06M 2200/12 (2013.01); D10B 2501/04 (2013.01);
Abstract

Provided is a down-proof woven fabric which is highly effective to prevent leakage of down from a seam of a product, even having a low cover factor, the woven fabric containing a single yarn having a convex portion and a concave portion in a cross section, in which an air permeability is 0.1 cm/cm·s or more and 2.0 cm/cm·s or less; a total fineness is 5 dtex or more and 80 dtex or less; a total cover factor of a warp and a weft is 1500 or more and 2200 or less; a hole is formed in the woven fabric with a sewing machine needle having a cross-sectional diameter (thickness of a main body of the sewing machine needle) of 1.00 mm, and in an area having a radius of 1.5 mm about the hole, a total number of warps and wefts that are displaced by 0.08 mm or more with the sewing machine needle is 3 or less at 15 minutes after the sewing machine needle is pulled out from the woven fabric; and the following characteristics:

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