公开(公告)号：JPS5349121A

公开(公告)日：1978-05-04

申请号：JP12387776

申请日：1976-10-18

Applicant: TORAY INDUSTRIES

Inventor： HIDAKA TOSHIAKI ,  TAKEDA TOSHIYUKI ,  MIZUTANI SHIGERU ,  SHINDOU MASAYOSHI

IPC: D01F8/12 ,  D01F8/16

Abstract: PURPOSE:To obtain crimpable composite fibers having improved heat resistance, unwinding properties, free from peeling of two components, by combining a polycapramide with a polyurethane consisting of a specific component into eccentric sheath-core type fibers.

公开(公告)号：JPS52124925A

公开(公告)日：1977-10-20

申请号：JP3876276

申请日：1976-04-08

Applicant: TORAY INDUSTRIES

Inventor： HIDAKA TOSHIAKI ,  MIZUTANI SHIGERU ,  TANAKA CHIAKI ,  MORIKAWA MASANOBU

IPC: D01F8/04 ,  C08G63/00 ,  C08G63/18 ,  C08G63/181 ,  D01F8/00 ,  D01F8/12 ,  D01F8/14

Abstract: PURPOSE:To obtain filament yarns having improved resistance to heat and light, and a high crimpability, by eccentrically compositing a specific elastic copolyester with an ordinary thermoplastic synthetic polymer.

公开(公告)号：JPS52121528A

公开(公告)日：1977-10-13

申请号：JP3820476

申请日：1976-04-07

Applicant: TORAY INDUSTRIES

Inventor： TANAKA CHIAKI ,  MORIKAWA MASANOBU ,  HIDAKA TOSHIAKI ,  MIZUTANI SHIGERU

IPC: D01F8/14 ,  D01F6/84 ,  D01F8/12

Abstract: PURPOSE:To present composite filament yarns having reduced deterioration by heat and loss of crimpability under good fiber making conditions by combining polyamide together with a specific polyether-polyester to form composite filament yarns.

公开(公告)号：JPS5296220A

公开(公告)日：1977-08-12

申请号：JP1279776

申请日：1976-02-10

Applicant: TORAY INDUSTRIES

Inventor： NAGAYASU NAOTO ,  HIDAKA TOSHIAKI ,  MIZUTANI SHIGERU

IPC: D01D5/34 ,  D01D5/00 ,  D01F8/00

Abstract: PURPOSE:A device which is designed to effect simultaneous composite spinning of two components into eccentric sheath-core type fibers by extruding the core component into the sheath component in the axial direction with the aid of composite flow forming parts of a specific shape under the supply ports for the core component.

公开(公告)号：JPS5285512A

公开(公告)日：1977-07-15

申请号：JP15732575

申请日：1975-12-29

Applicant: TORAY INDUSTRIES

Inventor： HIDAKA TOSHIAKI ,  NAGAYASU NAOTO ,  MIZUTANI SHIGERU

IPC: D01F8/12 ,  D01F8/16

Abstract: PURPOSE:To provide polyurethane conjugate fibers of eccentric sheath-core having good repeated stretcheability without any trouble such as yarn breakage by spinning polyurethane and polyamide with specific physical properties.

公开(公告)号：JPS5263415A

公开(公告)日：1977-05-25

申请号：JP13776075

申请日：1975-11-18

Applicant: TORAY INDUSTRIES

Inventor： NAGAYASU NAOTO ,  HIDAKA TOSHIAKI ,  MIZUTANI SHIGERU

IPC: D01D4/02

Abstract: PURPOSE:A spinnert which has orfices made with a small diameter and then a larger diameter, designed to prevent melt fracture and adherence of polymer to the spinnert.