Retaining device for protecting retaining elements

A retaining device, comprising a tape having an upper face extending along a longitudinal direction, said upper face being provided with retaining elements, wherein the upper face of the tape comprises at least two seams of material defining a contour having an internal surface comprising some of the retaining elements, each of said at least two seams having two ends, said ends being associated in pairs, the distance between the ends of each pair of ends being less than or equal to 1 mm, said at least two seams of material being formed by depositing material on the upper face of the tape, wherein the upper face of the tape comprises at least two seams of material defining a contour, each of said at least two seams having two ends, said ends of said at least two seams being associated in pairs, the distance between the ends of each pair of ends being less than or equal to 1 mm and wherein said at least two seams are tangent at least at one point.