Coated brand with marking (Machine-translation by Google Translate, not legally binding)

摘要

Covered shell, formed by a thermally or acoustically insulating material, in cylindrical tubular form, characterized in that it comprises a covering (1) with a plurality of marks (2, 3) distributed longitudinally and transversely: - a first series of transversal marks (2) arranged at a regular distance; - a second series of angular marks (3) arranged with known angles with respect to the plane perpendicular to the longitudinal axis (4) of the shell. (Machine-translation by Google Translate, not legally binding)