Patent · US Expired

Pneumatic tires

US4914147A · kind A · utility

59Cited by
4References
5Claims
0Family size

Assignees

Inventors

Key dates

Filing dateSep 9, 1988
Grant dateApr 3, 1990
Priority date
Expiry dateSep 9, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K3/04
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A heavy duty pneumatic tire for use in construction vehicles, truck and bus is disclosed, which comprises a tread rubber having improved cut resistance, resistance to rib tear, wear resistance, resistance to heat build-up, processability and the like. The tread rubber comprises 20-100 parts by weight of a particular modified styrene-butadiene copolymer and 80-0 parts by weight of other diene series rubber as a rubber component and contains 40-80 parts by weight of a particular carbon black based on 100 parts by weight of the rubber component.

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