摘要:
When overlapping and joining together end portions of a rubber member, it becomes possible to join them at a joining area smaller than a conventional one by increasing the joining area. There is provided a joining device for overlapping end portions (71), (72) of a rubber member (tire constituent member) (70) with one upper end portion (71) placing on the other lower end portion (72) and joining the end portions of the rubber member (70), in which a pressing roll (disk-shaped roll) (45) rotating about an inclined shaft is rolled while being pressed against the overlapped upper end portion (71) of the rubber member (70), and the upper end portion (71) is extended by a shearing force generated at this time to increase a joining area between the both end portions (71), (72).
摘要:
When overlapping and joining together end portions of a rubber member, it becomes possible to join them at a joining area smaller than a conventional one by increasing the joining area. There is provided a joining device for overlapping end portions (71), (72) of a rubber member (tire constituent member) (70) with one upper end portion (71) placing on the other lower end portion (72) and joining the end portions of the rubber member (70), in which a pressing roll (disk-shaped roll) (45) rotating about an inclined shaft is rolled while being pressed against the overlapped upper end portion (71) of the rubber member (70), and the upper end portion (71) is extended by a shearing force generated at this time to increase a joining area between the both end portions (71), (72).
摘要:
When end portions of a tire constituent member are to be brought into contact with each other and joined together, the end portions to be joined together are prevented from being caught by a pair of joining rollers. The end portions (91), (92) of the tire constituent member (90) are arranged opposite to each other. The pair of joining rollers (40) is made to roll on the end portions (91), (92) of the tire constituent member (90) and the end portions (91), (92) are brought into contact with each other and joined together by the joining rollers (40). An entanglement preventing member (70) is moved together with the pair of joining rollers (40), and the both end portions (91), (92) of the tire constituent member (90) in front of the joining rollers (40) in a moving direction are pressed by the entanglement preventing member (70). The both end portions (91), (92) of the tire constituent member (90) are pressed by the entanglement preventing member (70), and entanglement of the both end portions (91), (92) into the pair of joining rollers (40) is prevented.