PROCEDURE AND APPLIANCE FOR THE MANUFACTURE OF ELASTOMERIC MATERIAL COMPONENTS OF A TIRE FOR VEHICLE WHEELS.

摘要

A process for the manufacture of elastomeric material components of a tire for vehicle wheels, comprising the steps of: - feeding a continuous elongate element (20) from an emitting member (19) arranged near a support (18) for the application of said elongated element (20) on the support itself; - providing the support (18) with a rotational movement for the circumferential distribution around a geometric rotation axis (X) of the support (18), so that the elongate element (20) is distributed circumferentially on the support (18); - carrying out controlled relative displacements for the transverse distribution between said support (18) and said emitting member (19) to form a component (9, 12, 13, 14, 15, 16, 17) of a tire (3) with said elongated element (20) which is defined by a plurality of windings (20a) arranged with a predetermined deposition pattern depending on a cross-sectional profile to be given to said component (9, 12, 13, 14, 15, 16 , 17); wherein the step of feeding said continuous elongate element (20) takes place by extruding elastomeric material through at least one extrusion screw (22) and at least one gear pump (23) associated therewith; characterized in that a step of signaling the presence of said continuous elongate element (20) coming out of said emitting member (19) is provided, in which a moment of exit of said elongated element (20) is coordinated with the conduction in rotation of said support (18) around said axis of geometric rotation (X).