PACKING LINE HEAT TUNNEL CONVEYOR Russian patent published in 2013 - IPC B65B35/24 B65B53/02 

FIELD: transport.

SUBSTANCE: conveyor comprises frame 1 with drive and drive sprockets 2, 3 respectively, with closed chains 4, 5 running over them and having top and bottom runs. Chains 4, 5 are interconnected along the edges by multiple bearing plates while said frame 1 is composed of lengthwise channels connected by crossbars 10. Heat insulator 11 is arranged between top and bottom runs at frame crossbars 10 to rest on sheet welded between crossbars 10 to their bottom flanges and channel inner surfaces. Said heat insulator 11 is arranged above bearing plates over frame width and heat tunnel length, said heat tunnel being secured to channel to flanges. Note here that heat insulator lengthwise sides are arranged to get in contact with channels inner surfaces.

EFFECT: reduced heat losses in heat tunnel, higher quality of packages.

5 dwg