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Manufacturing method for heavy-duty pneumatic tyre and heavy-duty pneumatic tyre
Manufacturing method for heavy-duty pneumatic tyre and heavy-duty pneumatic tyre
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机译:重型充气轮胎的制造方法及重型充气轮胎
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摘要
Disclosed is a method for manufacturing a heavy-duty pneumatic tire which is equipped with a belt layer (5) including a first reinforcing belt (4) formed by winding a steel cord (6) between a second belt (2) and a third belt (3) which are wound on a forming drum (1), the manufacturing method comprising: winding and attaching the second belt (2) attached with a lower rubber sheet (7) onto the forming drum (1);forming the reinforcing belt (4) by simultaneously supplying and winding a plurality of strands of untopped steel cord (6) on the lower rubber sheet (7);disposing a weft yarn (8) on the reinforcing belt (4) in the form of waves; andmounting an upper rubber sheet (9) pre-attached to the third belt (3) on the reinforcing belt (4) and the well yarn (8).
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