Method and system for producing a tyre tread with lugs

A method and a system (10) of producing a tyre tread (4) with lugs (6); the tread having a tread base (5), and a number of lugs (6) projecting upwards from the tread base (5); and the method including the steps of: preparing a green-rubber blank tread (13); applying green-rubber blocks (15) to the areas of the blank tread (13) where the lugs (6) are to be formed; and curing the blank tread (13), together with the blocks (15), in a curing mold (17) negatively reproducing the pattern of the tread (4).