Patent ID: 6251204
Filing Date: 2001-06-26
Classification: B29C,B29D,Y10S

Abstract:
A machine for retreading tires comprising a first carriage guided in vertical rails and moved by a first motor, a rotary chuck mounted on said first carriage, a second carriage guided in horizontal rails oriented parallel to the axis of rotation of said chuck, said second carriage being located above the first carriage and moved by a second motor, buffing tools carried by said second carriage, means for precisely positioning said buffing tools relative to said chuck solely by the combined translational movements of said first and second carriages, wherein any relative displacement between the axis of rotation of said chuck and the center of said buffing tools is contained in a single plane passing through the axis of rotation of said chuck, and means adapted to be carried by said second carriage when the second carriage is moved to displace the buffing tools out of operative relationship with a tire for applying a tread on the tire and for rolling down said tread after its application.