Metal wires used for reinforcing elastomeric material
AssigneePirelli Coordinamento Pneumatici S.p.A.
InventorWim J. Van Ooij
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Abstract
This invention relates to metal wire used to produce reinforcing elements for articles of elastomeric material. The wire is provided with a coating ensuring at the same time a good resistance to corrosion, good values of initial adhesion, and a low decay, due to ageing, of the bond with the elastomeric material, said coating being constituted by two concentric layers of a Zn/Ni alloy, where the radially inner layer contains Zn in an amount ranging between 60% and 90% based on total layer and the radially outer layer contains Ni in an amount ranging between 60% and 80% based on the total layer.
Claims11
A metal wire for the reinforcement of articles of elastomeric material, provided with an anticorrosion coating and suitable for adhesion to the elastomeric material into which said wire is to be incorporated, the coating being substantially composed of a zinc and nickel alloy, wherein said coating comprises two concentric layers, arranged radially one above the other, each layer being made of a Zn/Ni alloy, the layer with the highest percentage of Zn being the radially inner layer.
Dependencies are inferred from the claim text.