Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 21, 2008
Patent Application Number
10513223
Date Filed
June 25, 2003
Patent Citations Received
Patent Primary Examiner
Patent abstract
A pneumatic tire for ice-bound or snow-covered roads, which has fine grooves formed in a tread surface, thereby improving brake and drive performance on ice-bound roads in early periods of wear. This pneumatic tire for ice-bound or snow-covered roads has its tread partitioned into a plurality of lands, these lands being formed with sipes, wherein the tread surface at the lands is formed with a plurality of fine grooves shallower than the sipes, the edges of these fine grooves being curved. Further, the width of the openings of the fine grooves is larger than the width of the bottoms thereof. Further, the angle of the fine grooves with the circumferential direction of the tire is 42 to 60 degrees.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.
