FIRE-RESISTANT TWO-WEB JACQUARD WOVEN CARPET Russian patent published in 2002 - IPC

FIELD: textile industry, in particular, production of carpets, mats etc. SUBSTANCE: mat is made in the form of basic layer of cotton or cotton-Dacron yarn. Laying layer has warp threads of cotton or cotton-Dacron yarn and weft threads of linen-jute yarn. Pile is made from virgin wool yarn or with addition of modacrylic yarn at the ratio of 1:1. Virgin wool yarn is dyed with chrome dyes used in an amount of 1-1.5 wt% in the presence of potassium bichromate or potassium hexafluorozirconate used in an amount of at least 0.8 wt% of yarn. EFFECT: increased efficiency by machined production of mats, wider range and improved quality of mats and like articles. 1 tbl, 4 ex