Brief description of the detection of the breakage of a wire in a job has lace such as especially a job leavers, job and device for detection designed for the implementation of the process.

摘要

Method of detecting breakage of a yarn (1a) within a sheet in a lace, such as, in particular, a loom leavers which comprises the carriages (1) supports of the mobile coils according to a substantially pendular motion, the bars of the front and rear tips mobile sequentially, and a bar of the center (3). br / according to the invention: & br / - it emits a signal in a zone lying between two planes defined by the bars of points substantially at the level of the line (6) of the termination of the lace, & br / - it picks up the variations of the signal for detecting breakage of the wire. & br / application to the manufacture of the lace by a loom leavers.