Pneumatic tire for a heavy duty vehicle

Details Pneumatic tire for a heavy duty vehicle Pneumatic tire for a heavy duty vehicle

1979-08-03

1981-05-12

Goolkasian, John T.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

D12142, D12146, B60C 1100

Patent

active

042665922

ABSTRACT:
A pneumatic tire for a heavy duty vehicle including a tread surface divided along circumferential directions by at least two tread zigzag grooves to form a plurality of circumferential zigzag ribs comprises stress releasing apertures formed at least in zones of the circumferential ribs which are within distances approximately 30% of widths of the circumferential ribs from the side of the ribs to mitigate stress concentrations in corners of the ribs extending in the tread grooves by reducing rigidities of the corners for preventing railway wear which would otherwise occur in the tire of this kind.

REFERENCES:
patent: 3115919 (1963-12-01), Roberts
patent: 3550665 (1970-12-01), Verdier
patent: 3645313 (1972-02-01), Roberts et al.
patent: 4031938 (1977-06-01), Verdier

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