Alcatel Postal Automation Systems

Ghislain Simard

Jean-Michel Reboul

The device comprises a conveyor (1) for displacing the envelope, in a displacement direction (D), along a path including a bend, and a member (12) disposed on the outside of the bend and downstream therefrom in said displacement direction, said member (12) cooperating with the conveyor (1) to cause the envelope to curve around the bend, and being movably mounted relative to the conveyor, so as to move a certain distance away from the conveyor depending on the thickness of the envelope and on its stiffness. A sensor (30) is provided to detect said certain distance minus the thickness of the envelope exceeding a predetermined threshold, thereby detecting that a hard object is present inside the envelope. The present invention applies to the processing of mail items.

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Valence, France

Ghislain Simard