Pneumatic tires

Details Pneumatic tires Pneumatic tires

1995-10-06

1998-06-30

Maki, Steven D.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

152209D, 152DIG3, B60C 1112

Patent

active

057728062

ABSTRACT:
This invention provides pneumatic tires having improved wet performance without degrading resistance to uneven wear. A pneumatic tire having a plurality of main grooves and a large number of sipes extending between adjacent main grooves and opening to both grooves is characterized in that the sipe has substantially uniform width in the depth direction at the both end portions opening to the main grooves, and has an expanded width portion at the bottom of the sipe at at least the greater part of the remaining portion except for the uniform width portion.

REFERENCES:
patent: 4726407 (1988-02-01), Hayakawa et al.
patent: 5343918 (1994-09-01), Fontaine
patent: 5385189 (1995-01-01), Aoki et al.
Patent Abstracts of Japan, vol. 018, No. 453, Aug 24, 1994.
Patent Abstracts of Japan, vol. 015, No. 097, Mar. 8, 1991.
Patent Abstracts of Japan, vol. 017, No. 217, Apr. 28, 1993.
Patent Abstracts of Japan, vol. 013, No. 305, Jul. 13, 1989.

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