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Forming the bead with "saucer," this tire builder follows every curve of the tire, shaping and pressing on the new layer. This saucer is matched by another on the far side of the tire which works on the other side at the same time, assuring perfect balance of the finished tire. The saucers may be swiveled in every direction to press the tire at right angles or lightly at a tangent. Firestone (General Tires), Akron, Ohio

Exploretire builder