CORD RUBBERIZED IN SITU COMPRISING A COMPOSITION CONTAINING AN ORGANIC POLYSULPHIDE

1 - 19 . (canceled)

20 . A metal cord comprising a rubber composition used to rubberize the cord in situ, wherein the rubber composition includes an organic polysulphide.

21 . The metal cord according to claim 20 , wherein the organic polysulphide is a non-silicon polysulphide.

22 . The metal cord according to claim 20 , wherein the organic polysulphide is chosen from a family of organic disulphides.

23 . The metal cord according to claim 22 , wherein the family of organic disulphides is a family of alkylphenol disulphides.

24 . The metal cord according to claim 23 , wherein the organic polysulphide is para-(tert-butyl)phenol disulphide.

25 . The metal cord according to claim 20 , wherein the organic polysulphide is present in the rubber composition at a content in a range of between 0.1 phr and 1 phr, inclusive of limits of this range.

26 . The metal cord according to claim 25 , wherein the organic polysulphide is present in the rubber composition at a content in a range of between 0.2 phr and 0.8 phr, inclusive of limits of this range.

27 . The metal cord according to claim 26 , wherein the organic polysulphide is present in the rubber composition at a content in a range of between 0.3 phr and 0.6 phr, inclusive of limits of this range.

28 . The metal cord according to claim 20 , wherein the rubber composition includes at least one sulphur-donating agent other than the organic polysulphide.

29 . The metal cord according to claim 28 , wherein the at least one sulphur-donating agent other than the organic polysulphide is present in the rubber composition at a content in a range of between 0.5 phr and 10 phr, inclusive of limits of this range.

30 . The metal cord according to claim 29 , wherein the at least one sulphur-donating agent other than the organic polysulphide is present in the rubber composition at a content in a range of between 1 phr and 9 phr, inclusive of limits of this range.

31 . The metal cord according to claim 30 , wherein the at least one sulphur-donating agent other than the organic polysulphide is present in the rubber composition at a content in a range of between 3 phr and 7 phr, inclusive of limits of this range.

32 . The metal cord according to claim 20 , wherein the rubber composition is devoid of a sulphur-donating agent other than the organic polysulphide.

33 . The metal cord according to claim 20 , wherein the rubber composition includes a reinforcing filler, and wherein the reinforcing filler predominantly includes, by weight, carbon black.

34 . The metal cord according to claim 20 , wherein the rubber composition includes carbon black at a content in a range of between 5 phr and 70 phr, inclusive of limits of this range.

35 . The metal cord according to claim 20 , wherein the rubber composition includes carbon black at a content in a range of between 5 phr and 60 phr, inclusive of limits of this range.

36 . The metal cord according to claim 20 , wherein the rubber composition includes carbon black at a content in a range of between 30 phr and 60 phr, inclusive of limits of this range.

37 . The metal cord according to claim 20 , wherein a Mooney plasticity of the rubber composition is in a range of between 70 Mooney units and 100 Mooney units, inclusive of limits of this range.

38 . The metal cord according to claim 20 , wherein a Mooney plasticity of the rubber composition is in a range of between 70 Mooney units and 90 Mooney units, inclusive of limits of this range.

39 . The metal cord according to claim 20 , wherein a Mooney plasticity of the rubber composition is in a range of between 70 Mooney units and 82 Mooney units, inclusive of limits of this range.

40 . The metal cord according to claim 20 ,

wherein the metal cord is embedded in a coating rubber composition, and

wherein the metal cord is incorporated in a semifinished product.

41 . The metal cord according to claim 20 , wherein the metal cord is incorporated in a tyre.

42 . A process for manufacturing a rubberized metal cord that is rubberized in situ, the process comprising steps of:

manufacturing a rubber composition that includes an organic polysulphide; and,

between two stages of assembling a metal cord, sheathing at least an internal portion of the metal cord with the rubber composition.