Patent ID: 8336285
Filing Date: 2012-12-25
Classification: D07B,E04C

Abstract:
1. A cord for the reinforcement of a cementitious matrix, said cord comprising a number of metal filaments twisted together to form said cord, said metal filaments being coated with a coating comprising zinc, aluminium, magnesium or alloys thereof, said cord having cross-sections, wherein three or more of said filaments form a closed sub-structure so that said filaments of said closed sub-structure contact neighbouring filaments of said closed sub-structure or so that said filaments of said closed sub-structure are a maximum 100 μm remote from neighbouring filaments in order to form a void in the middle of said three or more filaments, said cord further comprising a protective compound, said protective compound being at least present in said void, said protective compound being configured to provide the coated metal with cathodic protection, said protective compound being selected from the group consisting of imidazoles, triazoles, and tetrazoles.