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 9920457 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 20, 2018

Filed:

Mar. 13, 2015
Applicant:

IL Han Kim, Daegu, KR;

Inventor:

Il Han Kim, Daegu, KR;

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D02G 3/28 (2006.01); D02G 3/02 (2006.01); D02G 3/26 (2006.01); A01K 91/00 (2006.01); A61C 15/04 (2006.01);
U.S. Cl.
CPC ...
D02G 3/28 (2013.01); A01K 91/00 (2013.01); A61C 15/041 (2013.01); D02G 3/02 (2013.01); D02G 3/26 (2013.01);
Abstract

A method for manufacturing a cord yarn, which has at least one filament strand, includes applying a first twist so that a K1 value has a value of 0.1837763/D1n or below, applying a second twist so that a K2 value has a value between 0.0166819/D2n and 0.3183099/D2n, and applying a third twist so that a K3 value has a value between 0.0278485/D3 and 0.2968288/D3, wherein the twists are applied so that the cord yarn has roundness of 50% or above, and when the filament is a multi filament, so that porosity between strands of the cord yarn is less than 40%.


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Kim, Il. (2018). Method for manufacturing cord yarn with excellent dimensional stability (U.S. Patent No. 9920457). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9920457

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