METHOD AND DEVICE FOR THE TREATMENT OF SEWING THREAD USING SEWING MACHINE Russian patent published in 1994 - IPC

FIELD: sewing machine. SUBSTANCE: water solution of a chemical compound is evenly spread lengthwise the thread only as a coat, the treatment being conducted during the process of sewing. The device for the treatment of a sewing thread has an impregnating bath. A shaft is set into the opening of the bath walls. A ring made of porous structural material is rotatably mounted on the shaft, the ring being fit on the roll. The lid is provided to prevent splashing the impregnation composition. Thread guides are attached to the sides of the bath. The device is secured to the sewing machine body by means of a magnet fixed on the base of the bath. EFFECT: reducing the breaking of sewing threads. 2 cl, 3 dwg