Pneumatic tire having improved wet traction

Details Pneumatic tire having improved wet traction Pneumatic tire having improved wet traction

B - Operations, Transporting

60

C

B60C 11/13 (2006.01) B60C 11/03 (2006.01) B60C 11/04 (2006.01) B60C 11/11 (2006.01) B60C 11/12 (2006.01)

Patent

CA 2165004

A pneumatic tire having improved wet traction has an annular aquachannel center groove and curved lateral grooves which direct water from the footprint to the shoulder area of the tire to help prevent hydroplaning. The lugs contain sipes which change direction within the lug and tie bars in the sipes near each point where the sipes change direction. Siping, and the positioning of tie bars, provide means for minimizing the difference of the principle direction of lug stiffness between individual lugs. Also, a tire of the invention has 4 pitch ratios which are distributed around the tire so that extra large pitches are not located next to small pitches.

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