Tire vulcanizing apparatus
AssigneeSumitomo Rubber Industries, Ltd.
InventorTakashi TANAKA
Life of this patent
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Abstract
A vulcanizing bladder 3 comprises a first bladder 11 configured to contact with an inner circumferential surface of an unvulcanized tire (T) and a second bladder 12 arranged inside the first bladder 11. A first fluid G1 is to be supplied between the first bladder 11 and the second bladder 12, and a second fluid G2 is to be supplied to an inside of the second bladder 12. At least one of an inner circumferential surface 11s of the first bladder 11 and an outer circumferential surface 12s of the second bladder 12 is provided with a guide groove 31 extending in a tire axial direction through which the first fluid G1 can pass.
Claims8
A tire vulcanizing apparatus comprising:
- a vulcanizing bladder inflatable in an inner space of an unvulcanized tire to press the unvulcanized tire against a vulcanizing mold;
- a center device for holding the vulcanizing bladder;
- a supplier for supplying fluid to the vulcanizing bladder;
- a discharger for discharging the fluid in the vulcanizing bladder;
- the vulcanizing bladder comprising a first bladder configured to contact with an inner circumferential surface of the unvulcanized tire and a second bladder arranged inside the first bladder,
- the fluid including a first fluid to be supplied between the first bladder and the second bladder and a second fluid to be supplied to an inside of the second bladder, and
- at least one of an inner circumferential surface of the first bladder and an outer circumferential surface of the second bladder being provided with a guide groove extending in a tire axial direction.
Dependencies are inferred from the claim text.