TIRE VULCANIZING BLADDER

摘要

PURPOSE: A tire vulcanizing bladder is provided to prevent the defect of an inner part by maximizing the vent of air between the outer surface of the vulcanizing bladder and the inner surface of a green tire. CONSTITUTION: A cylindrical body(1) has a bead unit(2) at both sides. A plurality of vent lines(7) are formed at regular intervals on the surface of the body. Auxiliary vent lines(8) intersecting the vent lines are formed at a shoulder unit(A), and is a curved line. The auxiliary vent lines and the vent lines are different in width.