Claims
- 1. In a pneumatic tire which comprises bead portions, side wall portions, a tread portion and carcass layers of carcass cords and a carcass coat, the improvement comprising said carcass cords each consisting of fiber of raw aromatic polyamide yarn having a tensile strength of at least 150 kg/mm.sup.2 and a Young's modulus of at least 3000 kg/mm.sup.2, with a twisting angle of 31.3 to 39.3 degrees, the number of carcass cords per 50 mm of carcass layer is 20 to 60 and wherein the carcass coat is rubber and has a 100% modulus of 30% to 70 kg/cm.sup.2.
Priority Claims (1)
Number |
Date |
Country |
Kind |
59-76650 |
Apr 1984 |
JPX |
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Parent Case Info
This application is a continuation of application Ser. No. 724,154 filed Apr. 18, 1984, abandoned.
US Referenced Citations (8)
Foreign Referenced Citations (2)
Number |
Date |
Country |
49-120303 |
Nov 1974 |
JPX |
58-43802 |
Mar 1983 |
JPX |
Continuations (1)
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Number |
Date |
Country |
Parent |
724154 |
Apr 1984 |
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