antiabrasion curved section made of reinforced curved plastic material and comprising in at least one of a lower portion and an upper portion in antiabrasion material . a plurality of antiabrasion sections are produced inside a profiled mold having a plurality of grooves in which is arranged the antiabrasion material of the lower faces . reinforced filaments impregnated with a stabilizable resin are supplied to the mold and , finally , the antiabrasion material of the upper faces is applied . the mold is wound on a mandrel and the plastic material is stabilized before removing the mold sections which form a unitary assembly dividable particulary during the stranding of arm rings .