Lofty blended yarn and method for producing same

EP4527999A4Pending Publication Date: 2026-07-08CRANE INC +1
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Patent Information

Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
CRANE INC
Filing Date
2023-10-26
Publication Date
2026-07-08

AI Technical Summary

Technical Problem

Current methods for producing lofty blended yarns do not effectively utilize artificial proteins to achieve desired loftiness, water absorbency, and versatility in fabric characteristics.

Method used

A lofty blended yarn is created by combining a first fiber with an artificial protein that shrinks when exposed to water and a second fiber with a lower shrinkage rate, where the yarn has a loftiness of 10 cm^3/g or more, and the first fiber content is 5% or more of the total mass, with the fibers being either of the same or different types, and produced through spinning methods like woolen or worsted spinning.

Benefits of technology

The resulting yarn exhibits enhanced water absorbency, softness, heat retention, and anti-pilling properties due to controlled shrinkage and molecular design of the artificial protein fibers, offering a wide range of characteristics in the final fabric.

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Abstract

The present invention relates to a lofty blended yarn containing: a first fiber including an artificial protein fiber that contains an artificial protein and is shrinkable when being brought into contact with water; and a second fiber that has a shrinkage rate lower than a shrinkage rate of the first fiber when being brought into contact with water, in which the lofty blended yarn has a loftiness of 10 cm3 / g or more.
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