Appeal No. 2003-0332
Application 09/057,383
THE INVENTION
The Appellant’s claimed invention relates to a pneumatic tire that comprises a
first block row and a second block row in which a plurality of blocks projecting from
an outer circumferential of the pneumatic tire are disposed along the tire
circumferential direction. According to Appellant, the invention reduces the noise
associated with the tire’s tread pattern while maintaining dynamic performance.
(Brief, p. 2). Claim 1 which is representative of the invention is reproduced below:
1. A pneumatic tire comprising:
a first block row in which a plurality of blocks projecting from an outer
circumferential of said pneumatic tire are disposed along a tire
circumferential direction; and
a second block row in which a plurality of blocks projecting from the
outer circumference of said pneumatic tire are disposed along the tire
circumferential direction, said second block row being parallel to said
first block row,
wherein a side surface of a leading edge side end portion of each block
of said first block row and said second block row is inclined with
respect to a tire transverse direction such that an angle, which is formed
by the side surface of the leading edge side end portion of each block of
said first block row and a line tangent to a tire leading edge side contour
line of a ground-contact configuration, and an angle, which is formed by
the side surface of the leading edge side end portion of each block of
said second block row and a second tangent line to a tire leading edge
side contour line of the ground-contact configuration, are substantially
equal.
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