Apparatus for continuous thermal treatment of textile web, has conveying chains with needles securing longitudinal side edges of textile web and alternately passing web up and down through return chain wheels

摘要

A pair of conveying chains (8,9) inside a thermal treatment chamber (3) includes needles securing together the longitudinal side edges of a textile web (2) to be treated. The chains alternately pass the textile web up and down through upper and lower rows of return chain wheels (12,14), forming alternating loops (4) on the web in process.