Resilient tires and wheels – Tires – resilient – Anti-skid devices
Patent
1975-11-20
1977-11-08
Hoffman, Drayton E.
Resilient tires and wheels
Tires, resilient
Anti-skid devices
B60C 1106
Patent
active
040570894
ABSTRACT:
A pneumatic tire for motor vehicles having a circumferential tread surface with molded-in grooves extending in a direction transverse to the circumferential direction of the tire, in which the grooves extend from a central circumferential tread surface section of the tire toward both lateral tire sides while following the curvature of a parabola of a second order.
REFERENCES:
patent: 1127517 (1915-02-01), Richardson
patent: 2770279 (1956-11-01), Harrison
patent: 3237669 (1966-03-01), Travers
patent: 3457981 (1969-07-01), Verdier
patent: 3674077 (1972-07-01), Verdier
patent: 3799231 (1974-03-01), Boileau
patent: 3848651 (1974-11-01), French
Becker Walter
Continental Gummi-Werke Aktiengesellschaft
Hoffman Drayton E.
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