Abstract: A paint delivery and application apparatus, wherein the apparatus includes a source of paint, a paint applicator, a supply line interconnecting the source of paint and the applicator and at least one pig in the supply line, wherein the paint pushes the pig from adjacent the source of paint to the paint applicator and a source of purging solvent delivering a small volume of purging solvent to the supply line when the pig is adjacent the source of paint adjacent to and upstream of the pig acting as a lubricant, reducing chattering and skipping of the pig and extending the life of the pig. Where the apparatus includes two pigs, purging solvent is delivered between the pigs adjacent the applicator, the pigs are delivered to adjacent the source of paint and a small volume of solvent is then delivered from between the pigs upstream of the pigs.

Abstract: A coating material supply device is disclosed, such as for a paint facility. An exemplary coating material supply device may include a coating material reservoir and a coating material meter. During application of coating material, the coating material reservoir may be at ground potential and may be located upstream from the coating material meter, which may be at a high-voltage potential. The reservoir may be connected via an insulating path to the coating material meter. The coating material meter may be at ground potential when the coating material reservoir supplies coating material to the coating material meter. Before the coating material meter is returned to a high-voltage potential for continued application of coating material, the insulating path may be emptied to insulate the coating material meter from the coating material reservoir.

Abstract: Exemplary robots and corresponding exemplary operating methods for a painting system are disclosed. In one example, the robot is a handling robot for opening and closing doors or bonnets of motor vehicle bodies. A robot element of a handling robot that is susceptible to dirt retention, e.g., a handling tool, may be arranged away from the spray jet of a paint during the painting operation and is applied to the component that is to be painted. The robot may include a cleaning device for cleaning or for keeping the robot element of the handling robot that is susceptible to dirt retention clean from paint that is applied with spray jet in the painting operation.

Abstract: A pressure-actuated member, for example a paint pressure controller or a coating agent valve, for influencing a mean coating agent pressure of a coating agent to be applied in a painting system, is disclosed. An exemplary pressure-actuated member may comprise a component, which is subjected directly to the coating agent during operation and is mobile and/or can be deformed to influence the pressure. Examplary components subjected to the coating agent may at least partially comprise a ceramic material in order to achieve a longer service life.

Abstract: An exemplary painting robot and corresponding operating methods for the same are disclosed. The robot may be configured to paint motor vehicle bodies on an outer surface and an inner surface with an atomizer that is guided by the painting robot. According to the exemplary illustrations, the painting robot is suitable for painting the outer surfaces and for painting the inner surfaces of the motor vehicle bodies.

Abstract: A paint delivery and application apparatus, wherein the apparatus includes a source of paint, a paint applicator, a supply line interconnecting the source of paint and the applicator and at least one pig in the supply line, wherein the paint pushes the pig from adjacent the source of paint to the paint applicator and a source of purging solvent delivering a small volume of purging solvent to the supply line when the pig is adjacent the source of paint adjacent to and upstream of the pig acting as a lubricant, reducing chattering and skipping of the pig and extending the life of the pig. Where the apparatus includes two pigs, purging solvent is delivered between the pigs adjacent the applicator, the pigs are delivered to adjacent the source of paint and a small volume of solvent is then delivered from between the pigs upstream of the pigs.

Abstract: A rotary sprayer for a coating apparatus is disclosed. An exemplary rotary sprayer may include a spraying body configured to be mounted on a drive shaft of a drive motor for rotation with the drive shaft. The spraying body may further include a detachable mounting device for coaxial connection of the spraying body to the drive shaft. The detachable mounting device may include a spraying body thread that mates with a driveshaft thread defined by the drive shaft, and a plurality of elastic tabs configured to abut a corresponding cavity defined by the driveshaft, such that rotation of the spraying body increases an abutment force between the elastic tabs and the corresponding cavity of the driveshaft.

Abstract: Various exemplary illustrations of a piston rod seal are disclosed. An exemplary piston rod seal may include a piston rod guide for guiding a piston rod that supports a scraping piston configured to scrape paint residue from an inner wall of a pipeline cylinder. The piston rod may further include a first seal for sealing the piston rod guide relative to the piston rod, and a second seal for sealing the piston rod guide relative to the piston rod, where the second seal is arranged axially offset relative to the first seal.

Abstract: The bell shaped plate of a rotary sprayer is attached to its drive shaft by means of a detachable device. An accidental self-release of the mounting device that would cause the rotating bell shaped plate to be flung off is avoided by measures that prevent at least accidental movements of the bell shaped plate radial to the axis of rotation.

Abstract: A coating apparatus for serially coating workpieces with different shades or colors is disclosed. A metering device comprises a plunger-type dosing mechanism or a metering pump that has a separate inlet with an integrated color valve for each of the most commonly used colors is located in or near the sprayer of the coating apparatus. A separate color changer can be provided for less frequently used colors. The outlet of said color changer may be connected to another inlet of the metering mechanism or to the discharge valve of the sprayer via a separate metering mechanism.

Abstract: A hose guiding element for routing at least one hose in a hose passageway of a robot. The hose guiding element has a least one guide passage running axially to receive the hose to be routed. The element has particular use in a wrist axis of a painting robot.

Abstract: The disclosed apparatus includes a supply line (22) between a source of liquid paint (64) and an applicator (62) having at least two pigs (20A and 20B) and a source of liquid solvent (60) which delivers solvent (60) between the two pigs (20A and 20B) and the pigs (20A and 20B) are driven by paint (80) from adjacent the paint source (64) to the applicator (62). The apparatus further includes a second source of liquid solvent (60) which delivers solvent (60) between the pigs (20A and 20B) adjacent the applicator (62) and the pigs (20A and 20B) are returned through the supply line (22), thereby flushing the supply line (22). In the disclosed embodiment, the source of liquid paint (64) is a piston dosing device (70) which receives paint (80) from a color changer or the like and delivers a predetermined volume of paint (80) to the applicator (62). The delivery line (22) preferably includes a friction resistant inner layer, an intermediate dielectric layer and a protective outer layer.

Abstract: A paint delivery and application system including a color changer, at least two paint canisters and a paint applicator, a first pair of supply lines connected between the color changer and the paint canisters and a second pair of supply lines connecting the paint canisters and the paint applicator, wherein the paint canisters operate in tandem permitting delivery of a first paint to one of the paint canisters while a second paint canister is electrically isolated from the color changer and is delivering paint to the applicator. In one disclosed embodiment, the delivery line from the paint canisters to the applicator includes two pigs and solvent is delivered between the pigs, such that this system is self purging.

Abstract: A paint delivery and application apparatus, wherein the apparatus includes a source of paint, a paint applicator, a supply line interconnecting the source of paint and the applicator and at least one pig in the supply line, wherein the paint pushes the pig from adjacent the source of paint to the paint applicator and a source of purging solvent delivering a small volume of purging solvent to the supply line when the pig is adjacent the source of paint adjacent to and upstream of the pig acting as a lubricant, reducing chattering and skipping of the pig and extending the life of the pig. Where the apparatus includes two pigs, purging solvent is delivered between the pigs adjacent the applicator, the pigs are delivered to adjacent the source of paint and a small volume of solvent is then delivered from between the pigs upstream of the pigs.

Abstract: The bell shaped plate of a rotary sprayer is attached to its drive shaft by means of a detachable device. An accidental self-release of the mounting device that would cause the rotating bell shaped plate to be flung off is avoided by measures that prevent at least accidental movements of the bell shaped plate radial to the axis of rotation.

Abstract: A coating means supply device, in particular for a paint facility, having a coating means meter that meters coating means to be applied to application equipment. The coating means supply device includes a coating means reservoir for holding the coating means and for supplying the coating means meter with the coating means. During application of coating material to equipment, the coating means reservoir is at ground potential and is located upstream from the coating means meter, which is at high-voltage potential. The reservoir is connected via an insulating path to the coating means meter. The coating means meter is at ground potential when the coating means reservoir supplies coating means to the coating means meter. Before the coating means meter is returned to a high-voltage potential for continued application of coating material, the insulating path is emptied to again insulate the coating means meter from the coating means reservoir.

Abstract: A plurality of atomizers or other tools are disposed in a mounting plate (10) in storage places (12), respectively. The mounting plate (10) is rotatable relative a paint robot of a coating installation and has a pneumatic lock or a tool holder (19) that can only be released automatically during storage of the atomizers by an external control device of the mounting plate.

Abstract: A hose guiding element for routing at least one hose in a hose passageway of a robot. The hose guiding element has a least one guide passage running axially to receive the hose to be routed. The element has particular use in a wrist axis of a painting robot.