البحث في مجموعات البراءات الوطنية والدولية

1. (WO2018055044) METHOD AND APPARATUS FOR MANUFACTURING A TYRE TREAD AND A TYRE

Pub. No.:    WO/2018/055044    International Application No.:    PCT/EP2017/073925
Publication Date: Fri Mar 30 01:59:59 CEST 2018 International Filing Date: Fri Sep 22 01:59:59 CEST 2017
IPC: B29D 30/52
B29D 30/58
B29D 30/66
Applicants: BRIDGESTONE EUROPE NV
Inventors: MATTOCCI, Roberto
Title: METHOD AND APPARATUS FOR MANUFACTURING A TYRE TREAD AND A TYRE
Abstract:
A method of manufacturing an agricultural tyre (1) with deep cross-lugs (6), comprising the steps of: (a) proving a tyre case (2) and tread belts (3); (b) applying rubber blocks (206) onto tread belts (3), each of such rubber blocks (206) being arranged to make a respective lug (6) of the final tread (4); (c) winding a rubber ribbon (200) above said rubber blocks (206) so as to completely enclose said rubber blocks (206); (d) curing the rubber blocks (206) together with the wound ribbon (200) in a curing mould (105) negatively reproducing a desired pattern of the tread (4).