Flexible vacuum conveyance/manifold system

B - Operations – Transporting – 65 – H

Patent

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Details

B65H 29/16 (2006.01) B65G 15/00 (2006.01) B65G 15/58 (2006.01) B65H 5/22 (2006.01) B65H 29/24 (2006.01)

Patent

CA 2692354

A vacuum conveyance/manifold system is provided for processing mailpieces. The vacuum conveyance/manifold system includes at least one conveyor belt and a compliant deck disposed beneath and supporting an underside surface of the conveyor belt. The conveyor belt has rows of aligned apertures disposed therein and a drive surface for engaging a face surface of each of the mailpieces. The compliant deck defines a neutral axis in bending and has a high elongation, low modulus material in a portion of the deck which is distal from the bending neutral axis, and a high yield strength, high modulus material in a portion of the deck which lies coincident with the bending neutral axis. Furthermore, the compliant deck has a plurality of elongate slots formed in the high elongation, low modulus material, which elongate slots are aligned, and in fluid communication, with the rows of apertures in the conveyor belt. A flexible manifold system, having a plurality of flexible tubes, is in fluid communication with the elongate slots of the compliant deck and the vacuum source for developing a pressure differential across each of the mailpieces when in contact with the drive surface of the conveyor belt.

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