YARN MANUFACTURE PROCESS Russian patent published in 2002 - IPC

FIELD: textile industry. SUBSTANCE: process can be used for manufacturing yarn from mixtures of inhomogeneous fibers containing cottonin. The latter is mixed with spinning additive. Resulting fibrous mixture is opened, cleared, and subjected to carding, after which semi-manufactured article is formed and undergoes "dry spinning". Cottonin with water absorption 12-25 g per 1 g of fiber and with fiber sinuosity 1-6 curls per 1 cm is used in amounts 5 to 85%, the rest being a direct additive, in particular cotton, viscose, and polyester fiber taken separately or in combination. Fiber mixture is processed to give yarn with linear density 16 to 100 tex and twisting factor 30 to 68. For spinning operation, carding barrel tacking with tooth height 1.2- 2,3 mm is used, frequency of barrel rotation being 5000-9000 min^-1. EFFECT: decreased breakage rate of yarn when being formed and enlarged assortment of products. 3 cl, 1 tbl