Patent · US Expired

Tread for pneumatic tire

US4351381A · kind A · utility

17Cited by
10References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 12, 1980
Grant dateSep 28, 1982
Priority date
Expiry dateNov 12, 2000

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S152/03
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A tread capable of being used in all seasons and weather conditions comprising of a substantially centrally located rib which extends circumferentially about the tire, a plurality of independent projections placed about the remaining portion of the tire. The independent projections are placed so as to provide for two circumferentially extending grooves, one on either side of the central rib and a plurality of laterally extending grooves which extend from each central groove to the tread edge of the tire. The tread has a low net to gross ratio.

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