Patent · US Active

Multiple hardness non-pneumatic tire

US9139045B2 · kind B2 · utility

8Cited by
41References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 6, 2008
Grant dateSep 22, 2015
Priority date
Expiry dateFeb 25, 2031

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60C1/0025
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A non-pneumatic tire comprising one or more radial regions have differing Shore A/Shore D hardness. The non-pneumatic tire comprises side cavities that are staggered with respect to laterally opposing side cavities, and laterally extending tread grooves that are in substantial radial alignment with or substantially offset relative to the cavities. One radial region may comprising the side cavities, while another radial region with a different hardness comprises the tread grooves. Also provided are processes for making such tires and to off-the-road (OTR) vehicles employing such tires.

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