Filler-raising device
View Patent ↗Disclosed is a filler-raising device that raises a filler upright to couple the filler with a bead core. The filler-raising device includes a balloon that raises the filler upright toward the bead core and an air controller that supplies air into the balloon and draws air out of the balloon.
1. A filler-raising device that raises a filler upright to couple the filler with a bead core, the filler-raising device comprising:
a balloon that raises the filler upright toward the bead core; and
an air controller that supplies air into the balloon and draws air out of the balloon, the air controller including a cylinder case, a piston located in the cylinder case, and an actuator that moves the piston,
wherein the piston defines a storage section for air in the cylinder case,
wherein the storage section has a volume that is varied when the piston moves, and
wherein the storage section has a maximum volume that is larger than a volume of the balloon when the balloon is inflated to the maximum.