COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN;MICHELIN RECHERCHE ET TECHNIQUE SA
发明人:
MERINO LOPEZ JOSE
申请号：
FR20140002116
公开号：
FR3026055(B1)
申请日:
2014.09.22
申请国别(地区):
法国
年份:
2017
代理人:
摘要：
The invention relates to a tyre (1) comprising two sidewalls (2), a crown (3) provided radially externally with a tread (4), a carcass-type reinforcing structure (5), and at least one crown ply (6), the tread comprising an acoustic energy absorption layer (10) extending from one shoulder to the other and made from materials having stiffness characteristics that vary from the centre to the shoulders, with a reduction in stiffness from the centre towards the shoulders.
