B - Operations – Transporting – 60 – C
Patent
B - Operations, Transporting
60
C
B60C 15/024 (2006.01)
Patent
CA 2089450
ABSTRACT OF THE DISCLOSURE A pneumatic tire, in which, in a cross section including the tire axis, the bead profile is made of a curved line between a locus of y = f(x) + 1 and a locus of y = f(x) - 1 which are made when x-value is varied from -15.29 to 0.523, wherein f(x) = 3.789 + 2.4273x + 0.73024x2 + 0.12736x3 + 0.012774x4 + 6.659X10-4x5 + 1.36X10-5x6 x is a variable indicating a relative radial distance in millimeter based on a reference point, defining the direction of increase of the x-value as being radially inward of the tire, and y is a variable indicating a relative axial distance in millimeter based on a reference point, defining the direction of increase of the y-value as being axially inward of the tire.
Uemura Yoshiaki
Yoshida Masanao
Borden Ladner Gervais Llp
Sumitomo Rubber Industries Limited
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