Pneumatic tire using carcass ply

Details Pneumatic tire using carcass ply Pneumatic tire using carcass ply

2006-08-01

2006-08-01

Johnstone, Adrienne C. (Department: 1733)

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

C152S454000, C152S533000, C152S562000

Reexamination Certificate

active

07082977

ABSTRACT:
A pneumatic tire includes two or more carcass layers for reinforcing between a pair of annular beads, and a reinforcing layer having a cord arranged on an outer peripheral surface of the carcass layer below a tread surface in a circumferential direction of a tire. The pneumatic tire has a flattening of 70% or less. The cord constituting the carcass layers are arranged substantially in a radial direction in a region of the tire from the bead to a position near a tire maximum width, and from that position to a grounding end. The angle with respect to a circumferential direction of the tire is gradually changed between 20° and 60° in the vicinity of the grounding end, and between 20° and 50° at the tread surface.

REFERENCES:
patent: 2930425 (1960-03-01), Lugli et al.
patent: 3002874 (1961-10-01), Lowe
patent: 3063491 (1962-11-01), Mitchell
patent: 3183134 (1965-05-01), Frisby
patent: 61-263805 (1986-11-01), None
patent: 8-207509 (1996-08-01), None
patent: 2000-52448 (2000-02-01), None
English translation of JP 61-263805 A.

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