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US 4,062,177 AGranted
Spun yarn and process for manufacturing the same
AssigneeToray Industries, Inc.
InventorsTeiryo Kojima, Shin-ichi Kitazawa
Life of this patent
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Abstract
This invention relates to a novel spun yarn composed of staple fibers only and having the average number of fibers in cross section and the rate of yarn evenness being within a limited range, and a process for manufacturing the same directly from continuous multi-filament yarn.
Claims7
A spun yarn composed only of staple fibers in which the product of the degree of yarn evenness, CV, and the square root, .sqroot.N, of the average number of fibers in a cross section of said yarn is a value between 12.5 and 100, and the effective fiber content of said staple fibers is over 25%.
Dependencies are inferred from the claim text.