Login| Sign Up| Help| Contact|

Patent Searching and Data

Document Type and Number:
Japanese Patent JP5865449
Kind Code:
PROBLEM TO BE SOLVED: To provide a method for producing a silk yarn having a soft feeling capable of imparting permanent crimpability to the silk yarn by performing removal of all sericin in a final process without performing removal of sericin from raw silk at the beginning, and to provide a method for producing a silk woven fabric.SOLUTION: The method for producing a silk yarn includes: impregnating raw silk with a modifier for insolubilizing sericin of a silk fiber; then performing twisting; then performing a heat treatment for fixing the twist at a temperature of 120-140°C for 10-30 minutes; then performing untwisting for twisting in a direction opposite to the direction of the twisting; and then performing immersion in 0.6-3.0 g/l of a proteolytic enzyme to refine and remove sericin contained in the silk yarn. The method for producing a silk woven fabric includes weaving a silk yarn which has been untwisted to form a woven fabric; and then performing immersion in a proteolytic enzyme to refine.SELECTED DRAWING: Figure 1

Tetsuji Ito
Application Number:
Publication Date:
February 17, 2016
Filing Date:
July 23, 2014
Export Citation:
Click for automatic bibliography generation   Help
Fukushima Prefecture
International Classes:
D02G1/02; D03D15/567; D06M13/12; D06M13/322; D06M15/55; D06M16/00
Domestic Patent References:
Attorney, Agent or Firm:
Katsuro Yoshikawa

Previous Patent: チップホルダ

Next Patent: JPS5865450