B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 73/04 (2006.01) B29D 30/08 (2006.01) B60C 9/08 (2006.01) B60C 13/00 (2006.01) B60C 19/12 (2006.01)
Patent
CA 2354284
The invention concerns a technique for the partial substitution of the damaged metal cords in the sidewalls of medium and large size radial tires. The technique also foresees the application of reinforcing elements, while substituting the damaged metal cords in large tires (diameter greater than two metres approximately). The technique consists in carrying out cuts in the tire sidewalls so as to have a trapezoidal opening (5) with side edges parallel to the undamaged radial cords, and the realisation of two trapezoidal slots (4) in which to insert a layer of unvulcanised rubber (1) containing metal cords (1.2) with the ends placed over the metal cords CR of the tire, protruding from the same slots (4), and the application of one or more covering layers to be placed over the perimetral grooves (6) realised by means of grinding along the perimeter of the trapezoidal opening (5) to facilitate attachment.
Marks & Clerk
R.f.p. S.r.l. - Ricostruzione Fascia Prestampata
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