Pneumatic tire tread

Details Pneumatic tire tread Pneumatic tire tread

Filed on

1978-12-08

Date issued

1980-09-16

Examiner

Ball, Michael W.

Patent Class

Resilient tires and wheels

SubClass

Tires, resilient

SubSubClass

Anti-skid devices

Other Related Categories

R60C 1108

Type

Patent

Status

active

Patent number

042224233

Description

ABSTRACT:
Pneumatic tire comprising a tread having rows of elements in relief presenting ridges of substantially transverse orientation with a broken line trace and incisions is improved due to the fact that at least most of the segments of the substantially transverse ridges have an inclination which increases progressively, with respect to the transverse direction, from the center line of the tread towards each of the edges thereof.

REFERENCES:
patent: D190985 (1961-07-01), Blankenship et al.
patent: 2079091 (1937-05-01), Walsh
patent: 3674077 (1972-07-01), Verdier
patent: 3799231 (1974-03-01), Boileau

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