| 摘要 |
PROBLEM TO BE SOLVED: To provide a high quality bent resin-rubber composite hose which has a complex three-dimensional shape and has no hurt in the inner surface. SOLUTION: In the production of the bent resin-rubber composite hose in which a plurality of rubber layers on the outside of a resin tube and reinforcing layers intervening between the rubber layers are coated, after an unvulcanized resin-rubber composite hose 1 is cut 2 in a prescribed length, a flexible mandrel having a hollow part is inserted 3 into the resin tube, and a mandrel for molding is inserted 4 into the hollow part of the flexible mandrel. After that, the bent resin-rubber composite hose is produced by post-vulcanization 5. COPYRIGHT: (C)2008,JPO&INPIT
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