Title:
POLYESTER FILAMENT PACKAGE AND MANUFACTURING METHOD
Document Type and Number:
Japanese Patent JP2019203215
Kind Code:
A
Abstract:
To provide a polyester filament package free of weaving steps, horizontal, sink, and fluff when woven.SOLUTION: This can be achieved with a polyester filament package characterized in that a polyester filament wound around a tube having a hardness of 200 kgf/100 mm or more and an outer diameter of 60 mmΦ or more satisfies the following (1) to (3). (1) A flatness (maximum), which is the ratio of the maximum diameter A (major axis) of the fiber cross section and the diameter B (minor axis) perpendicular to the major axis in the package innermost layer to outermost layer, is 1.00 to 1.25. (2) A elongation is 5-50%. (3) A winding density is 0.60-1.20 g/cm.SELECTED DRAWING: None
Inventors:
SATO AKIHISA
SHINOKAWA HISASHI
FUJIMORI MINORU
SHINOKAWA HISASHI
FUJIMORI MINORU
Application Number:
JP2018098695A
Publication Date:
November 28, 2019
Filing Date:
May 23, 2018
Export Citation:
Assignee:
TORAY INDUSTRIES
International Classes:
D01F6/62; B65H55/04; D02J1/22