| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce production cost while inhibiting the yielding of a wasteful material, and to prevent upsizing of facilities. <P>SOLUTION: First, the working surface 43 of a working tool 38 with a large number of projections 47 is made to slide into contact with the joining surface (side end surface) of a strip-shaped member 12. Thus, the joining surface is roughened as a result of moving the strip-shaped member 12 to the working tool 38. Consequently, even in the case that the tack of the joining surface has deteriorated due to long-term storage etc., a fresh unvulcanized rubber becomes exposed on the joining surface by the roughening operation, and at the same time, the joining surface is reconditioned to an ideal flat shape suitable for joining. After that, the joining surfaces of the rubber members are mutually put together. Thereby the joint strength can be easily increased. <P>COPYRIGHT: (C)2011,JPO&INPIT |
