FIELD: transport.
SUBSTANCE: invention relates to automotive industry, particularly, to car and light truck tires. Tire case comprises tread, belt play consists of metal cord and textile plies, carcass, side strip and bead ring. Metal cord diameter makes 0.55-0.95 mm. Metal cord proper is composed of equal-diameter metal threads. Note here that metal threaded diameter-to-metal cord diameter makes 0.344-0.543, rubberised metal cord pitch makes 1.052-2.083, while metal cord linear density varies from 1.05 to 2.67 g/m. Note also that thickness of every rubberised metal cord ply of breaker makes 0.72-1.52 mm, while metal cord breaking strength is not lower than 400-900±5 N.
EFFECT: lower metal and labor input, electric power savings.
2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
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|
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RU2720599C1 |
