Pneumatic tire with steel cords having a closed twisted structur

Details Pneumatic tire with steel cords having a closed twisted structur Pneumatic tire with steel cords having a closed twisted structur

1990-02-13

1991-09-24

Ball, Michael W.

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

152451, 57212, 57213, 57902, B60C 900, B60C 918, D02G 336

Patent

active

050506579

ABSTRACT:
A steel cord for the reinforcement of rubber articles is disclosed, which comprises a central base structure composed of 1 to 4 steel filaments, and at least one coaxial layer composed of plural steel filaments arranged around the central base structure so as to adjoin them to each other, these steel filaments being twisted in the same direction at the same pitch. In the steel cord of this type, the steel filaments constituting the central base structure have the same diameter (dc), while at least one steel filament of the coaxial layer has a diameter (dso) smaller than the diameter (dc) of the steel filament in the central base structure.

REFERENCES:
patent: 1919509 (1933-07-01), Grobl
patent: 2098163 (1937-11-01), Reed
patent: 3318082 (1967-05-01), Riggs
patent: 3413749 (1968-12-01), Lejeune
patent: 3538702 (1970-11-01), Wolf et al.
patent: 4349063 (1982-09-01), Kikuchi
patent: 4608817 (1986-09-01), Brandyberry et al.
patent: 4628683 (1986-12-01), Bourgois

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