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 7163742 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 16, 2007

Filed:

May. 11, 2001
Applicants:

Tadashi Koyanagi, Nobeoka, JP;

Akira Yamashita, Nobeoka, JP;

Inventors:

Tadashi Koyanagi, Nobeoka, JP;

Akira Yamashita, Nobeoka, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D02G 3/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A polytrimethylene terephthalate preoriented package, formed of wound layers and weighing 2 kilograms or more, of a poly (trimethylene terephthalate), in which the yarn package satisfies the following conditions (1), (2) and (3): The preoriented yarn package according to the invention is formed of a wound preoriented yarn which has substantially no differential thermal shrinking stress values between the yarn wound (accumulated) at the edge portions in the package and the yarn wound at the middle portion in the package. The present yarn package enables production of a dyed woven or knitted fabric with soft hand, which is substantially free from the occurrence of periodical uneven dyeing.


Find Patent Forward Citations

Koyanagi, Tadashi. (2007). Pre-oriented yarn package (U.S. Patent No. 7163742). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7163742

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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