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Abstract

A treatment plant and method for treating workpieces, in particular for coating and/or drying vehicle bodies, having a treatment device with a housing in which a treatment space is accommodated. A conveyor system having a multitude of transport trolleys for conveying workpieces through the treatment space, wherein each transport trolley has a chassis and a fastening device for at least one workpiece, which are coupled together by means of a connecting device. Outside the treatment space, there is a guiding area with a travel space for the chassis. The travel space is connected to the treatment space via a connecting passage such that the chassis of a transport trolley can move in the travel space and at the same time the fastening device is entrained in the treatment space and the connecting device extends through the connecting passage. The travel space is defined by a travel space housing and a gas device is present to feed a throughflow gas, in particular air, to the travel space. At least a major part of the throughflow gas can again be discharged from the travel space as exhaust gas, without this throughflow gas reaching the treatment space through the connecting passage.

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First Claim