An absolute proportioning pumping system includes an electric motor assembly powering a first pump at a first flow rate and powering a second pump at a second flow rate. A proportioned fluid output includes a first fluid pumped by the first pump and a second fluid pumped by the second pump. The pumping system provides a desired ratio of the first fluid to the second fluid at the proportioned fluid output, relatively independently of pressure and flow rate at the output. In accord with further embodiments, a pump and motor assembly is mounted to and generally surrounded by a liquid tank. The pump and motor assembly may include a pair of fixed ratio outputs driven from a common motor, or may include a single variable output pump either slaved to a master pump or controlled through a timed bypass valve to control output flow rate.

A coating system for coating objects with a coating material includes at least one material source for a coating material, which can be fluidically connected to an application device. A feed system can be used for feeding coating material back to its material source in a feeding-back direction over a feed path. It can be determined by means of a detection device whether coating material or some other material is present in a control portion of the feed path, the detection device generating a corresponding output signal. Also specified is a method for coating objects in which it is determined during the feeding back of coating material to its material source whether regions made up of material other than the coating material are being carried along by the coating material to be fed back.

A coating system for coating objects with a coating material includes at least one material source for a coating material, which can be fluidically connected to an application device. A feed system can be used for feeding coating material back to its material source in a feeding-back direction over a feed path. It can be determined by means of a detection device whether coating material or some other material is present in a control portion of the feed path, the detection device generating a corresponding output signal. Also specified is a method for coating objects in which it is determined during the feeding back of coating material to its material source whether regions made up of material other than the coating material are being carried along by the coating material to be fed back.

In a microvolume-liquid dispenser, there is performed an application operation for dispensing a microvolume liquid present in an amount measured in nanoliters or picoliters from a nozzle tip-end opening and applying the microvolume liquid to an application surface. When the application operation has not been performed over a time interval longer than a set time interval ta, a tip-end liquid surface of an application liquid in the nozzle tip-end opening is caused to vibrate at a high amplitude that includes the position of a liquid surface height from immediately before application in the case of application at equal time intervals. The subsequently performed application operation is performed at a point in time when the liquid surface height has returned to the liquid surface height. The operation for applying the microvolume application liquid can be precisely performed in the same manner as when application is performed at equal time intervals.

In a microvolume-liquid dispenser, there is performed an application operation for dispensing a microvolume liquid present in an amount measured in nanoliters or picoliters from a nozzle tip-end opening and applying the microvolume liquid to an application surface. When the application operation has not been performed over a time interval longer than a set time interval ta, a tip-end liquid surface of an application liquid in the nozzle tip-end opening is caused to vibrate at a high amplitude that includes the position of a liquid surface height from immediately before application in the case of application at equal time intervals. The subsequently performed application operation is performed at a point in time when the liquid surface height has returned to the liquid surface height. The operation for applying the microvolume application liquid can be precisely performed in the same manner as when application is performed at equal time intervals.

A curved substrate with a film includes a substrate having a first main surface, a second main surface and an end surface, and an antiglare film provided on the first main surface. The substrate has a flat portion and a bent portion. A value obtained by dividing a reflected-image diffusibility index value R of the bent portion by the sum of the reflected-image diffusibility index value R of the bent portion and a reflected-image diffusibility index value R of the flat portion is 0.3 or higher and 0.8 or less.

A curved substrate with a film includes a substrate having a first main surface, a second main surface and an end surface, and an antiglare film provided on the first main surface. The substrate has a flat portion and a bent portion. A value obtained by dividing a reflected-image diffusibility index value R of the bent portion by the sum of the reflected-image diffusibility index value R of the bent portion and a reflected-image diffusibility index value R of the flat portion is 0.3 or higher and 0.8 or less.

A coating system for coating objects, wherein a coating material can be dispensed by an application device with a dispensing arrangement. A supply system having at least first and second feed containers for coating material are connected via first and second supply lines and first and second material valves, respectively, to the dispensing arrangement. Also provided is a cleaning system having at least one first cleaning line and a second cleaning line, to which rinsing agent can be fed via a first rinsing agent feed line and a second rinsing agent feed line, respectively. The first and second cleaning lines are connected via first and second cleaning valves to the first and supply lines, respectively. The first cleaning line and the second cleaning line are connected via a connection line at connection points disposed in front of each cleaning valve relative to the flow direction towards the dispensing arrangement.

A coating system for coating objects, wherein a coating material can be dispensed by an application device with a dispensing arrangement. A supply system having at least first and second feed containers for coating material are connected via first and second supply lines and first and second material valves, respectively, to the dispensing arrangement. Also provided is a cleaning system having at least one first cleaning line and a second cleaning line, to which rinsing agent can be fed via a first rinsing agent feed line and a second rinsing agent feed line, respectively. The first and second cleaning lines are connected via first and second cleaning valves to the first and supply lines, respectively. The first cleaning line and the second cleaning line are connected via a connection line at connection points disposed in front of each cleaning valve relative to the flow direction towards the dispensing arrangement.

A discharging device for the discharge of liquid media is specified, with a pump chamber that comprises an inlet opening and an outlet opening, and with a piston that is displaceable in the pump chamber. The object is to be able to dispense a medium with high accuracy using the discharging device. For this purpose, the piston comprises a projection which enters the inlet opening after a predetermined stroke of the piston.