Method and device for measuring the ply angle prior cutting
AssigneesMichelin Recherche et Technique S.A., Compagnie Generale Des Etablissements Michelin
InventorsStéphane Ravat, Thierry Ducros, Clément Dubois
Life of this patent
Estimating the term…
Abstract
Cutting device (2) for cutting a reinforcing ply (N) formed of a set of portions of thread, of given length, coated in a rubber compound, laid parallel to one another and making a given theoretical angle (a) with the longitudinal direction of the ply, characterized in that it comprises a first means (23) able, without proceeding to cut the said ply (N), to estimate the actual angle of the threads with the longitudinal direction (XX′) of the device and a second means (25) able to cut the ply (N) at the actual angle (a+da) estimated by the first means (23).
Claims15
A cutting device for cutting a reinforcing ply formed of a set of portions of thread, of given length, coated in a rubber compound, laid parallel to one another and making a given theoretical angle with a longitudinal direction of the ply, comprising:
- a first means able, without proceeding to cut the ply, to estimate an actual angle of the threads with a longitudinal direction of the device, comprising a measurement wheel, mounted on a mobile support running on a straight rail, with a direction of the rail being orientable to a given angle with the longitudinal direction of the device, and able to follow a groove formed by a space between two mutually juxtaposed reinforcing threads when the support moves along the rail, and of which an axle, oriented substantially in a direction perpendicular to a plane formed by the direction of the rail and by the direction perpendicular to the plane of the ply, is free to move in said direction of the axle, and
- a second means able to cut the ply at the actual angle estimated by the first means.
Dependencies are inferred from the claim text.