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.:
Date of Patent:
Feb. 08, 2005
Filed:
Jul. 26, 2001
Masanao Kohashi, Tsuruga, JP;
Katsutoshi Imaoka, Tsuruga, JP;
Mitsuhiro Sakuda, Tsuruga, JP;
Toyo Boseki Kabushiki Kaisha, Osaka, JP;
Abstract
A polyester fiber containing polyethylene terephthalate at 90 mol % or higher of a whole repeating unit in a molecular chain thereof, the fiber having an intrinsic viscosity (IV) of 0.85 dl/g or higher and simultaneously meeting the following characteristics: (a) strength≧6.0 cN/dtex; (b) strength×(breaking elongation)≦26.0 cN/dtex. %(c) monofilament linear density≦5.0 dtex; and (d) main dispersion peak temperature of loss tangent (tan δ) in the measurement of dynamic viscoelasticity at 110 Hz≦147.0° C., and a polyester dipped cord, which is obtainable by twisting one or more than one base yarn together into a pretwisted yarn, where the base yarn is made of a polyester fiber twisting two or more pretwisted yarns together into a greige cord; and subjecting the greige cord to dip treatment to give a dipped cord simultaneously meeting the following characteristics: (a) tenacity conversion efficiency in the dip treatment (dipped cord tenacity/greige cord tenacity)≧96%; and (b) elongation at a specific load+dry heat shrinkage≦7.5%.