| 摘要 |
An air spring sleeve. The sleeve comprises an elastomer body having two plie s. Each ply comprises a cord embedded in the elastomer body. Each cord is wound about the sleeve in an opposing direction from the other and each having a helix . The first cord helix angle and the second cord helix angle comprise a cord differential helix angle. The first or inner cord helix angle is greate r than a second or outer cord helix angle. The cord differential helix angle i s in the range of approximately 0o to 2.5o.
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