Pneumatic tires

Details Pneumatic tires Pneumatic tires

1980-12-29

1983-06-14

Kimlin, Edward C.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

57902, 152356R, 152359, 152361FP, 152361DM, B60C 1100, B60C 900

Patent

active

043877559

ABSTRACT:
A pneumatic tire having a tread reinforcement layer constituted by a steel cord strip layer adjacent the carcass and an aromatic polyamide cord strip layer superposed to the steel cord strip layer in a parallel side-by-side relationship. The aromatic polyamide cord strip layer is folded at its both edges toward the center, in such a manner that the folded portions contact the main portion in a parallel side-by-side relationship. The main portion has a width ranging between 100 and 110% of the width of the tread surface, while the width of each folded portion ranges between 27.5 and 35% of the width of main portion. Furthermore, the free edge of each folded portion is located at a distance from the center of the outermost circumferential groove in the tread surface, which distance being between 25 and 75% of the distance between the outermost groove and the adjacent groove.

REFERENCES:
patent: 3126042 (1964-03-01), Cegnar
patent: 3404721 (1968-10-01), Massoubre
patent: 3799230 (1974-03-01), Montagne
patent: 3831656 (1974-08-01), Senger et al.
patent: 3851693 (1974-12-01), Takemura et al.
patent: 4258774 (1981-03-01), Mirtain et al.
patent: 4262725 (1981-04-01), Rodenkirch

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