Patent · US Expired

Tire having silica reinforced rubber tread with carbon black reinforced rubber envelope

US6070630A · kind A · utility

9Cited by
9References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 19, 1996
Grant dateJun 6, 2000
Priority date
Expiry dateJul 19, 2016

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S152/02
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

The invention relates to a rubber tire composed of carbon black reinforced rubber carcass and having a rubber tread which is composed of a unitary, co-extrusion of tread cap, base and miniwings and, wherein a portion of the miniwings extend as a thin layer over a portion of the tread cap's outer surface to create a path of reduced electrical resistivity.

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