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 8293364 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 23, 2012

Filed:

Apr. 18, 2007
Applicants:

Hayato Iwamoto, Fukuoka, JP;

Yoshitomo Hara, Fukui, JP;

Hideo Ueda, Fukui, JP;

Masaharu Saito, Fukui, JP;

Inventors:

Hayato Iwamoto, Fukuoka, JP;

Yoshitomo Hara, Fukui, JP;

Hideo Ueda, Fukui, JP;

Masaharu Saito, Fukui, JP;

Assignee:

KB Seiren, Ltd., Fukui, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01F 6/60 (2006.01); D01F 6/90 (2006.01); C08L 77/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A highly shrinkable fiber composed of nylon-MXD6 polymer and nylon-6 polymer, characterized in that a weight ratio therebetween is in the range of 35:65 to 70:30, and that each thereof exhibits a breaking strength of 4.00 cN/dtex or greater. Preferably, the weight ratio between nylon-MXD6 polymer and nylon-6 polymer of the highly shrinkable fiber is in the range of 45.55 to 55:45. The highly shrinkable fiber exhibits a high shrinkage ratio in boiling water, so that when the highly shrinkable fiber is used in a woven fabric, there can be realized a high density.


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