A method is provided for monitoring proper application of a length of tread stock to the periphery of a green tire carcass. The tread stock has an outer face with a centering mark defined along the length of the outer face. The stock is affixed to the green tire carcass in a supposed centered position...http://www.google.de/patents/US4900382?utm_source=gb-gplus-sharePatent US4900382 - Method for monitoring application of tread stock to a tire carcass
