Abstract: A surface treatment plant for vehicle bodies having a first treatment area which comprises a first conveyor system enabling a vehicle body to be conveyed through the first treatment area, and a second treatment area which includes a second conveyor system enabling the vehicle body to be conveyed through the second treatment area. A transfer device enables the vehicle body to be transferred from the first conveyor system to the second conveyor system. The transfer device includes supports which engage on regions of the vehicle body and at least one is arranged in particular on the highest point of the horizontal and the vehicle body is oriented roof upwards. Also a method for conveying vehicle bodies through a surface treatment plant.

Abstract: A method for separating overspray from the cabin exhaust air of coating systems, in particular of painting systems, which is laden with overspray, the overspray is taken up by an air flow and conveyed to an electrostatically operating separating device. There, the bulk at least of the solids is separated from the overspray at at least one separating surface. An electrically conductive material or material mixture is used as a separating agent, which is applied to the at least one separating surface of the separating device and at the operating temperature of the separating device has a wax-like consistency. Also a separating device with such a wax-like material and a system for coating articles.

Abstract: A surface treatment plant for vehicle bodies having a first treatment area which comprises a first conveyor system enabling a vehicle body to be conveyed through the first treatment area, and a second treatment area which includes a second conveyor system enabling the vehicle body to be conveyed through the second treatment area. A transfer device enables the vehicle body to be transferred from the first conveyor system to the second conveyor system. The transfer device includes supports which engage on regions of the vehicle body and at least one is arranged in particular on the highest point of the horizontal and the vehicle body is oriented roof upwards. Also a method for conveying vehicle bodies through a surface treatment plant.

Abstract: The invention relates to an immersion treatment system, particularly an electrophoretic immersion coating system, comprising at least one immersion basin in a known manner that can be filled with a treatment fluid. A transport system guides the objects to be coated to the immersion basin, into the interior of the immersion basin, out of the immersion basin, and away therefrom. It comprises at least one transport car whereon a vertically displaceable carriage is disposed. A component defining a rotary axis is supported on the same, supporting a mounting device for the object to be treated. A motion sequence for the object can be achieved in said manner, comprising a superposition of a horizontal linear motion, a vertical linear motion, and a rotary motion about the rotary axis.

Abstract: A method for separating overspray from the cabin exhaust air of coating systems, in particular of painting systems, which is laden with overspray, the overspray is taken up by an air flow and conveyed to an electrostatically operating separating device. There, the bulk at least of the solids is separated from the overspray at at least one separating surface. An electrically conductive material or material mixture is used as a separating agent, which is applied to the at least one separating surface of the separating device and at the operating temperature of the separating device has a wax-like consistency. Also a separating device with such a wax-like material and a system for coating articles.

Abstract: The invention relates to an immersion treatment system, particularly an electrophoretic immersion coating system, comprising at least one immersion basin in a known manner that can be filled with a treatment fluid. A transport system guides the objects to be coated to the immersion basin, into the interior of the immersion basin, out of the immersion basin, and away therefrom. It comprises at least one transport car whereon a vertically displaceable carriage is disposed. A component defining a rotary axis is supported on the same, supporting a mounting device for the object to be treated. A motion sequence for the object can be achieved in said manner, comprising a superposition of a horizontal linear motion, a vertical linear motion, and a rotary motion about the rotary axis.

Abstract: A lifting station for vertically moving an object, in particular a vehicle body, in a surface treatment installation includes a fixed support structure and a vertically movable lifting cradle which is supported on the support structure and on which at least one conveying device is arranged. Energy for actuating the conveying device can be stored in an energy accumulator arranged on the lifting cradle. In this way, a trailing cable which supplies the conveying device with energy in different lifting positions is not required.

Abstract: The invention relates to a method and a device for drying objects (2) in particular painted vehicle bodies. In said method, the objects (2) are displaced through a drying zone (6), in which they are cured in an inert atmosphere. The aim of the invention is to introduce the objects (2) into the drying zone (8), whilst at the same time preventing the entry of as much of the normal atmosphere of possible from the exterior. To achieve this, the objects (2) are conducted through a lock zone (7), which is located upstream of the drying zone (8) and in which the normal atmosphere lying outside the drying zone (8) and an inert gas atmosphere are present in strata as a result of a difference in densities. The objects (2) are displaced during their passage through the lock zone (7) from the normal atmosphere into the inert gas atmosphere by a motion comprising a vertical component.

Abstract: An installation for powder coating articles, in particular vehicle bodies, comprises a coating booth, in which a plurality of application devices for the powder coating may be arranged. The articles to be coated are located during the coating process on a rotating rotary stand. Application devices located in various angular positions relative to the axis of the rotary stand may be charged with powder coatings of different colours. A collecting hopper is located at the bottom of the coating booth, the outlet opening of which collecting hopper may be brought as desired into connection with various recovery devices for powder overspray. To coat articles of different colours, the application devices charged with powder coating of the appropriate colour are activated in each case and the recovery device which collects the powder of the corresponding colour is brought into connection with the outlet opening of the collecting hopper.

Abstract: A lifting station for vertically moving an object, in particular a vehicle body, in a surface treatment installation includes a fixed support structure and a vertically movable lifting cradle which is supported on the support structure and on which at least one conveying device is arranged. According to the invention an energy transfer device, with which energy can be transferred to the conveying device only in at least one selected lifting position of the lifting cradle is provided. As a result, a trailing cable can be dispensed with.

Abstract: A lifting station for vertically moving an object, in particular a vehicle body, in a surface treatment installation includes a fixed support structure and a vertically movable lifting cradle which is supported on the support structure and on which at least one conveying device is arranged. Energy for actuating the conveying device can be stored in an energy accumulator arranged on the lifting cradle. In this way, a trailing cable which supplies the conveying device with energy in different lifting positions is not required.

Abstract: An installation for powder coating articles, in particular vehicle bodies, comprises a coating booth, in which a plurality of application devices for the powder coating may be arranged. The articles to be coated are located during the coating process on a rotating rotary stand. Application devices located in various angular positions relative to the axis of the rotary stand may be charged with powder coatings of different colors. A collecting hopper is located at the bottom of the coating booth, the outlet opening of which collecting hopper may be brought as desired into connection with various recovery devices for powder overspray. To coat articles of different colors, the application devices charged with powder coating of the appropriate color are activated in each case and the recovery device which collects the powder of the corresponding color is brought into connection with the outlet opening of the collecting hopper.

Abstract: A process and apparatus for repairing small paint defects in powder paint coats. In the process, the paint defect is hollowed out, a filler body, which is adapted to the recess with respect to shape and/or volume, is placed in the recess, the filler body is connected with the powder paint coat surrounding the recess and hardened. In order to improve the quality of this repair, after inserting the filler body, pressure is exercised on the filler body at least at the start of the connecting and/or at least at the start of the hardening.

Abstract: A process for repairing relatively small paint faults in powder coating layers, in which, in the region of the faulty point, a cutout is introduced into the powder coating layer with precisely defined dimensions with respect to its area and also with respect to its depth. A filler made of powder coating and/or a pre-product of the powder coating is introduced into the cutout. The filler is dimensioned to correspond to the volume of the cutout, in particular corresponding to the dimensions of the cutout, and is coherent. The filler introduced is joined, in particular bonded, to the powder coating layer arranged outside the cutout.