Patent ID: 7740462
Filing Date: 2010-06-22
Classification: B29D

Abstract:
1. A tire vulcanizer comprising a shaping unit including a bladder made of inflatable tubular rubber, a clamp ring which fixes one end of the bladder, a clamp ring which fixes the other end of the bladder, and a fluid supply/discharge channel through which a pressurized fluid is supplied/discharged to/from an inside of the bladder, in which a green tire is mounted and shaped in the shaping unit outside a vulcanizer body and then the green tire is vulcanized in a state that the shaping unit is moved and set in the vulcanizer body, the tire vulcanizer further comprising a tire mounting device which mounts the green tire in the shaping unit outside the vulcanizer body and comprises right and left clamp members being detachable from the clamp rings respectively and rotatable, wherein: the right and left clamp members incorporate beadlocks which lock right and left bead portions of the green tire set in a periphery of the bladder of the shaping unit by directly engaging them with lock nails, and position the right and left bead portions at shaping positions; and one of the right and left clamp members has formed therein a connection channel which is connected with the fluid supply/discharge channel of the shaping unit to supply a fluid to inside of the bladder and inflate the bladder in a state that the right and left bead portions are locked with the beadlocks, so that the outer circumference of the inflated bladder is made in tight contact with an inner circumference of the green tire for shaping the green tire.