Curved Bar Expander Manufacturer, Tire Cord Machinery, Tyre Cord Machines Exporter all over the Globe, heavy duty machines for Tire Industry. urved Bar Expander, designed for tyre cord dipping machine. The Duo expander spreads the fabric in low-tension zones by maintaining or providing uniform cord distribution across the entire width. Bow roll, Banana Roller, Bow Banana Roller, Expender roll. It spreads the fabric to the set width, left and right via two bow rollers linked to one another.
