Tire with tread blocks having identical, circular ellipses of in

Details Tire with tread blocks having identical, circular ellipses of in Tire with tread blocks having identical, circular ellipses of in

1974-06-27

1976-12-21

Hoffman, Drayton E.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

152209B, B60C 1106

Patent

active

039982564

ABSTRACT:
The tread of a pneumatic tire is formed with relief blocks and with grooves that delimit the relief blocks and that open onto the edges of the tread. The relief blocks have sections parallel to their surface of contact with the ground which have central ellipses of inertia which are substantially circular and identical. At least some of the relief blocks are formed with a recess and with a straight connecting groove communicating with the recess and with the closest delimiting groove. The delimiting groove provide paths for the removal of water during travel of the tire on a wet road that extend obliquely forward in the direction of travel and facilitate discharge of water at the edges of the tread.

REFERENCES:
patent: 50840 (1917-05-01), Kocontes
patent: 57071 (1921-02-01), Atkinson
patent: 62682 (1923-07-01), Weber
patent: 3682220 (1972-08-01), Verdier

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