Appeal No. 2001-2495
Application No. 09/110,876
APPENDIX
Claims 1 and 5
1. A pneumatic tire provided with a tread divided into
a plurality of block-shaped land portions, the
periphery of each of said block-shaped land portions
being bordered by a plurality of main grooves extending
in the circumferential direction of said pneumatic
tire, and by a plurality of lug grooves extending in
the transverse direction of said pneumatic tire and
intersecting said main grooves, and each of said
block-shaped land portions having at least four sipings
aligned in a transverse direction each of said sipings
comprising:
a first linear portion which essentially extends
in a direction perpendicular to the surface of said
block-shaped land portion and contacts the tread
surface;
a second linear portion which essentially extends
in a direction perpendicular to the surface of said
block-shaped land portion and is separated from the
surface of said block-shaped land portion; and
a sloping line portion which connects said first
linear portion and said second linear portion and is
inclined in a direction towards a wall surface of said
block-shaped land portion, so as to define a step,
wherein a position of a center of said
sloping line portion is set to between 10% to 60% of
the siping depth measured from said tread surface.
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