method for classifying the kettfaeden between the kettbaum and webfach of weaving machines and the implementation of kettbaumwechsels and webmaschine for implementation of the procedure.

摘要

To maintain the alignment of warp yarns approaching the shed of a weaving loom, the loom is provided with a mobile guide roll for imparting a longitudinal reciprocating motion to the yarns. Pref. the motion is integrated with that of a knotting device and a clamp in conjunction with tying on of successive arrays of yarns to repair individual breaks in response to a break-detector.