公开(公告)号：US20210078369A1

公开(公告)日：2021-03-18

申请号：US16611901

申请日：2018-05-09

Applicant: BRIDGESTONE CORPORATION

Inventor： Pasquale AGORETTI ,  Barbara Maria SECCHI ,  Claudio D'ALFONSO ,  Giampiero PAVONI

IPC: B60C19/00 ,  B60C1/00 ,  C08L75/04

Abstract: A pneumatic tyre comprising an impermeable layer that is suitable for guaranteeing the pressure tightness of the air contained within the internal cavity of the casing and a layer of sound-insulating material housed within said internal cavity and made, in turn, with polyols deriving from CNSL.

公开(公告)号：US20170157996A1

公开(公告)日：2017-06-08

申请号：US15327233

申请日：2015-07-21

Applicant: BRIDGESTONE CORPORATION

Inventor： Barbara Maria SECCHI ,  Pasquale AGORETTI ,  Michele AMURRI ,  John HOUSE

IPC: B60C19/00 ,  C08J9/00 ,  C08G65/40 ,  B60C5/00 ,  B60C1/00

CPC classification number: B60C19/002 ,  B60C1/0008 ,  B60C5/002 ,  C08G65/40 ,  C08G2101/0008 ,  C08G2101/005 ,  C08G2350/00 ,  C08G2380/00 ,  C08J9/00 ,  C08J2205/044 ,  C08J2205/06 ,  C08J2361/06

Abstract: A tyre comprising a layer suitable to ensure the sealing under pressure of the air contained in the inner cavity of the carcass and a foam material for sound absorption based on a polycondensate of polyphenolic compounds of natural or synthetic origins housed inside said inner cavity. Preferably, the foam material is based on flavonoid tannins.