Full definition
Conveyor belt with corrugated rubber sidewalls and transverse cleats forming closed pockets. Enables vertical or steep-angle transport up to 90°. Used for fine or sticky materials where flat or chevron belts cannot prevent rollback. The corrugated sidewall acts as a bellows, absorbing flexion around head and tail pulleys. Standard: DIN 22102 Part V (corrugated sidewall belts). Brands: Bridgestone Flexopipe, Continental, Phoenix.