Tire, metal cord and process for manufacturing a metal cord
OwnerSimone Agresti, Pavan Federicoinventors
Life of this patent
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Abstract
A tire including at least one structural element and at least one metal cord includes a plurality of elementary metal wires stranded together, each elementary metal wire being coated with at least one first metal coating layer, the metal cord being coated with at least one second metal coating layer, wherein the at least one second metal coating layer has a nominal thickness higher than or equal to 30 nm, preferably from 50 nm to 120 nm, more preferably from 70 nm to 100 nm.
Claims39
1-38. (canceled)
A tire comprising at least one structural element and at least one metal cord comprises a plurality of elementary metal wires stranded together, each elementary metal wire being coated with at least one first metal coating layer, said metal cord being coated with at least one second metal coating layer, wherein said at least one second metal coating layer has a nominal thickness higher than or equal to 30 nm.
A manufactured rubberized article comprising at least one metal cord comprising a plurality of elementary metal wires stranded together, each elementary metal wire being coated with at least one first metal coating layer, said reinforcing metal cord being coated with at least one second metal coating layer, wherein said at least one second metal coating layer has a nominal thickness higher than or equal to 30 nm.
A metal cord comprising a plurality of elementary metal wires stranded together, each elementary metal wire being coated with at least one first metal coating layer, said reinforcing metal cord being coated with at least one second metal coating layer, wherein said at least one second metal coating layer has a nominal thickness higher than 50 nm.
A process for manufacturing a metal cord comprising:
- (a) stranding a plurality of elementary metal wires, each elementary metal wire being coated with at least one first metal coating layer, so as to obtain a metal cord;
- and
- (b) depositing at least one second metal coating layer onto the metal cord by means of a plasma deposition technique, so as to obtain a metal cord coated with at least one second metal coating layer, said at least one second metal coating layer having a nominal thickness higher than 50 nm.
The process for manufacturing a reinforced rubberized article comprising:
- (a) stranding a plurality of elementary metal wires, each elementary metal wire being coated with at least one first metal coating layer, so as to obtain a metal cord;
- (b) depositing at least one second metal coating layer onto the metal cord obtained in (a) by means of a plasma deposition technique, so as to obtain a metal cord coated with at least one second metal coating layer;
- (c) optionally, surface-treating the metal cord obtained in (a);
- and
- (d) embedding at least one coated metal cord obtained in (b) into a crosslikable elastomeric material, so as to obtain a reinforced rubberized article.
Dependencies are inferred from the claim text.