| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for producing a bent rubber hose which is free from appearance failure and has a prescribed bent shape by preventing a wrinkle and a knot from being generated on the inside of a bent part. SOLUTION: In the case of inserting and fixing an unvulcanized or semivulcanized rubber hose 1 into a bent mandrel, the rubber hose 1 is inserted thereinto while rotating it in the peripheral direction. Thereby, a wrinkle and a knot are prevented from being generated on the inside (for example, segment A3 -A4 ) of the bent part of the rubber hose 1. The bent rubber hose is produced by vulcanizing the rubber hose 1. |
