COIL Russian patent published in 2018 - IPC B65H75/18 

FIELD: technological processes.

SUBSTANCE: invention relates to devices for winding and storing extended materials. Coil contains a sleeve with a winding part, a pair of flanges facing each other, first information display sections and second information display section. First information display areas are located on the first circumference of the flange surface. Second information display area is located on the second circumference of the flange surface. Diameter of the second circle is smaller than the diameter of the first circle. Second information display section is located in an area surrounded by both inner ends of the adjacent first information display sections and the center of the sleeve shaft.

EFFECT: possibility of placing a variety of information to determine the type of wire without increasing the sleeve.

21 cl, 51 dwg