Tire tread pattern having transverse grooves with interlocking n

Details Tire tread pattern having transverse grooves with interlocking n Tire tread pattern having transverse grooves with interlocking n

1990-03-28

1992-09-15

Knable, Geoffrey L.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

B60C 1111

Patent

active

051474786

ABSTRACT:
A tire tread pattern comprising a central zone and two edge zones in which the edge zones are subdivided circumferentially of the tire by a series of transverse grooves each having an axially outer end open to the tread edge characterized by in each transverse groove a noise baffle comprising a circumferentially extending rib across the groove and having a height of 25% to 75% of the groove depth. The noise baffle is preferably quite narro so that it does not materially affect the stiffness of the blocks but acts as a noise baffle only. It may be a single baffle or two or more short baffles interlocking to block noise transmission.

REFERENCES:
patent: 2006197 (1935-06-01), Ewart et al.
patent: 2056131 (1936-09-01), Brittain
patent: 2661041 (1953-12-01), Walsh
patent: 4122879 (1978-10-01), Takigawa et al.
patent: 4217942 (1980-08-01), Takigawa et al.
patent: 4619300 (1986-10-01), Tokunaga et al.
patent: 4690189 (1987-09-01), Bradisse et al.

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