Reinforced construction of bead portions of radial tires for hea

Details Reinforced construction of bead portions of radial tires for hea Reinforced construction of bead portions of radial tires for hea

1977-11-30

1980-01-29

Peters, Jr., Joseph F.

Resilient tires and wheels

Tires, resilient

Patches

152354R, B60C 1506

Patent

active

041856775

ABSTRACT:
A reinforced construction of bead portions of radial tires for heavy load vehicles such as trucks, buses etc., which is well balanced in rigidity and which has an excellent durability is disclosed. The construction includes a first reinforcing layer and a second reinforcing layer, the first reinforcing layer being substantially continuously extended from a height covering both the upper ends of the second reinforcing layer and of the turned-up portion of the carcass ply to the inside surface of the carcass ply, the second reinforcing layer being interposed between the turned-up portion of the carcass ply and the first reinforcing layer, the axially inside portion of said first reinforcing layer which is disposed along the inside of the carcass ply having an upper end whose height h.sub.1 from the bead base portion is given by

REFERENCES:
patent: 3921693 (1975-11-01), Suzuki et al.
patent: 3964533 (1976-06-01), Arimura et al.
patent: 4024901 (1977-05-01), Poque
patent: 4046183 (1977-09-01), Takahashi et al.

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