Apparatus used for crimping synthetic multifilament fibers comprises an outlet nozzle with an outlet channel for a fiber, a crimping device at the end of a compression chamber with openings

摘要

Apparatus comprises an outlet nozzle with an outlet channel for a fiber, a crimping device at the end of a compression chamber with openings. The chamber wall near the openings is made of a thin plate, where the ratio of wall thickness to opening width is below 1.