US 11,794,530 B2
Tire with intrinsic sealant containing intrinsic cellular innermost layer
Ramendra Nath Majumdar, Hudson, OH (US); and Wang Dapeng, Weihai (CN)
Assigned to Triangle Tyre Co. Ltd., Weihai (CN)
Filed by Triangle Tyre Co. Ltd., Weihai (CN)
Filed on Feb. 15, 2021, as Appl. No. 17/176,173.
Application 17/176,173 is a continuation in part of application No. 16/819,701, filed on Mar. 16, 2020, granted, now 10,919,242.
Application 16/819,701 is a continuation in part of application No. 14/991,575, filed on Jan. 8, 2016, granted, now 10,589,478, issued on Mar. 17, 2020.
Application 14/991,575 is a continuation in part of application No. 14/572,138, filed on Dec. 16, 2014, granted, now 10,399,391, issued on Sep. 3, 2019.
Prior Publication US 2021/0178835 A1, Jun. 17, 2021
Int. Cl. B60C 19/12 (2006.01); B60C 19/00 (2006.01)
CPC B60C 19/122 (2013.01) [B60C 19/002 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A tire with in-situ generated intrinsic puncture sealant and intrinsic noise damper comprising:
a supporting tire carcass having an outer circumferential tread, and a radially inner layer,
a pair of beads,
sidewalls extending radially inward from the axial outer edges of a tread portion to join the respective beads,
a sealant comprising at least one layer of sealant, disposed radially inwardly from said radially inner layer of said tire carcass,
an intrinsic cellular noise damper as the innermost layer adjacent to the sealant,
wherein said noise damper comprises brominated copolymer of isobutylene with paramethylstyrene;
wherein said noise damper has a density less than 0.13 g/cm3; and
wherein said sealant provides self-sealing properties to the tire.