Patent · US Expired

Pneumatic tire having all-weather running performances

US4640952A · kind A · utility

8Cited by
9References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 10, 1985
Grant dateFeb 3, 1987
Priority date
Expiry dateApr 10, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S152/905
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A pneumatic tire having a low fuel consumption and all-weather running performances is disclosed, which comprises a tread composed of a rubber composition containing 30-80 parts by weight of carbon black having IA of not less than 70 mg/g and DBP absorption of not less than 90 ml/100 g, based on 100 parts by weight of a rubber blend consisting of 97-10 parts by weight of at least one diene rubber having a content of bound styrene of 0-30% and a content of vinyl bond in butadiene unit of 25-95%, 3-30 parts by weight of butyl rubber and/or halogenated butyl rubber, and 0-87 parts by weight of the other diene rubber.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.