Heavy-duty pneumatic tire

Details Heavy-duty pneumatic tire Heavy-duty pneumatic tire

2011-08-02

2011-08-02

Fischer, Justin (Department: 1747)

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

C152S531000, C152S535000, C152S538000

Reexamination Certificate

active

07987882

ABSTRACT:
A heavy-duty pneumatic tire capable of sufficiently suppressing the amount of strain occurring in side edges of a belt layer is sufficiently suppressed, despite the required increase in width of the narrow belt layers on the inner layer side, so as to effectively prevent separation of the belt layer and, hence, separation of the belt. The tire includes two narrow belt layers (1B,2B) on the inner layer side, and two wide belt layers (3B,4B) on the outer layer side, which are larger in width than the narrow belt layers. The narrow belt layers and the wide belt layers are sequentially arranged on the outer circumferential side of a crown region of a radial carcass (5). The innermost narrow belt layer (1B) has side edges that are convex radially outwards.

REFERENCES:
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patent: 6578611 (2003-06-01), Nakata
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patent: 2003-136911 (2003-05-01), None
patent: 2005-104437 (2005-04-01), None
Japanese Office Action issued in Japanese Application No. 2005-209884 dated May 25, 2010 (with translation) (6 pages).

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