Pneumatic studless tires including wave-shaped sipes

Details Pneumatic studless tires including wave-shaped sipes Pneumatic studless tires including wave-shaped sipes

1996-12-16

1999-02-23

Maki, Steven D.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

152DIG3, B60C 1112, B60C10500, B60C10700

Patent

active

058733990

ABSTRACT:
A pneumatic studless tire comprises a tread provided with a plurality of circumferential grooves, a plurality of lateral grooves and many blocks defined by these circumferential grooves and lateral grooves, in which (1) a plurality of wave-shaped sipes are formed in each of the blocks so as to make them dense at central region of the block in the widthwise direction of the tire and sparse at both side regions thereof, and (2) an amplitude of the wave-shaped sipe in each side region of the block is smaller than that in the central region of the block.

REFERENCES:
patent: D378504 (1997-03-01), Ochi et al.
patent: 4598747 (1986-07-01), Flechtner
patent: 5301727 (1994-04-01), Inoue
patent: 5647926 (1997-07-01), Van Der Meer et al.
PTO translation of German 3540669.

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