Patent · US Expired

Degradable blading for tire curing molds

US7468153B2 · kind B2 · utility

15Cited by
9References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 31, 2005
Grant dateDec 23, 2008
Priority date
Expiry dateNov 14, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S264/44
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A degradable sipe blade for forming sipes in a tire tread, where the degradable material may be removed by exposure to water. A tire curing apparatus is also provided having a plurality of degradable sipe blades affixed to the mold surface within the tread pattern. In addition, a cured tire is provided having the degradable sipe blades embedded in the tread elements of the tire tread after removal of the cured tire from a curing mold. Further provided is a method for forming sipes in a tire tread using degradable blading.

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