Patent ID: 9511557
Filing Date: 2016-12-06
CPC Classification: B26D,B26F,B29D

Claim Text:
1. A method of manufacturing a tire comprising a tread strip in which blind radial cuts are arranged in blocks of rubber that form a tread pattern, comprising: inserting a plurality of blades into a portion of an internal face of an unvulcanized tread strip intended to cap a green tire so that the plurality of blades to form a plurality of cuts which do not penetrate fully through the unvulcanized tread strip; heating a portion of the plurality of blades and a portion of the tread strip into which a portion of the plurality of the plurality of blades have penetrated to a temperature higher than a vulcanization temperature of the tread strip while the portion of the plurality of blades have penetrated the tread strip for a sufficient period of time so that the portion of the plurality of blades superficially vulcanize walls of the plurality of cuts in the tread strip made by the blades; and allowing the tread strip to at least partially cool after heating, with the portion of the plurality of blades remaining penetrated in the tread strip.