Matrix element for tire mould and associated manufacturing method
AssigneeCompagnie Generale Des Etablissements Michelin
InventorsRomain Calvel, Thibault Boncompagne
Life of this patent
Estimating the term…
Abstract
The liming element for a tire mould comprises a body 12 delimiting a moulding surface 14 intended to at least partially mould a rolling surface of the tire, at least one injection nozzle 26 arranged on the body and provided with at least one outlet orifice 26a, at least one supply duct extending inside the body and the injection nozzle while being in communication with the said outlet orifice, and at least one shut-off member 30 mobile with respect to the injection nozzle between an outlet orifice closed position and an outlet orifice open position. The body 12, the injection nozzle 26 and the shut-off member 30 are manufactured by the deposition and selective melting of stacked layers of powder.
Claims18
Liming element for a tire mould comprising a body delimiting a moulding surface configured to at least partially mould a rolling surface of the tire, wherein the lining element further comprises at least one injection nozzle arranged on the body and provided with at least one outlet orifice at least one supply duct extending inside the body and the injection nozzle while being in communication with the said outlet orifice, and at least one shut-off member mobile with respect to the injection nozzle between an outlet orifice closed position and an outlet orifice open position, the body, the injection nozzle and the shut-off member being manufactured by the deposition and selective melting of stacked layers of powder.
Dependencies are inferred from the claim text.