Patent ID: 8544632

Claim:
A device ( 10 ) for conveying at least one preform ( 12 ) in a unit for heating preforms ( 12 ), the conveyor device ( 10 ) including: at least one endless conveyor belt ( 14 ) that is driven in movement, at least two rotary elements ( 16 a , 16 b ) for driving the conveyor belt ( 14 ) each of which is mounted to turn about an axis (A, B) and which cooperate with the conveyor belt ( 14 ) to drive it in movement in a closed loop path, at least one support device ( 34 ) for at least one preform ( 12 ) that is connected to the conveyor belt ( 14 ) to move therewith and that is adapted to carry the preform ( 12 ), characterized in that the conveyor belt ( 14 ) includes at least: a main traction band ( 14 a ) that cooperates with said rotary elements ( 16 a , 16 b ), and a secondary support band ( 14 b ) that is connected to the main band ( 14 a ) to move with it by connecting means ( 24 ) and to which at least one support device ( 34 ) is attached by attachment means ( 36 ).