| 摘要 |
The invention relates to a cord comprising a core structure and one layer, said core structure consisting of 1 to 4 core filaments (1) having a diameter d1, d1 being greater than 0.15 mm and smaller than 0.40 mm, said layer consisting of n + m layer filaments (2) having a diameter d2 and being twisted in the same direction and at the same pitch as the core filaments (1) of said core, d2 being greater than or equal to d1 - 0.05 mm and being smaller than or equal to d1 - 0.015 mm, n being equal to the number of core filaments (1) and m being equal to six if n is greater than one and being equal to five if n is equal to one, whereby the core filaments (1) are visually different from the layer filaments (2). |
