Nordson Corporation

Nordson Coporation

Thomas A Loparo

Joseph C Waryu

Terrence M Fulkerson

Brian D Mather

James Khoury

Jeffery Edward Dailidas

William R Hoversten

Michael S Thomas

John J Binder

Jared J Bell

Jeffrey M Buckler

Guy H McMillan

Kai Flockenhaus

John A Greco

Martin T Vicens

Klaus Michels

Richard William Vine

Stephen P Lovass

Jeffery A Perkins

Gregory S Dawson

Asim Altin

John Palazzo

Antonius Petrus Maria De Veer

Charles Nagy

Lenzie Borders

Benjamin J Becker

John Roos

John C Dillon

Mark W Novotny

William L Palmer

Mark W Norvotny

Sean Scott Davis

Glen Herstek

Michael F Riley

Stephen P Stewart

Guy H Mcmillan

A light assembly coupled to a spray gun for spraying electrostatically charged coating material is disclosed. The spray gun includes a gun body comprising a barrel, a nozzle assembly extending from the barrel in a longitudinal direction, a voltage multiplier, and an actuator assembly configured to transition the voltage multiplier between an activated state and a deactivated state. The light assembly includes a light and circuitry electrically connected to the light. The circuitry is configured to supply electrical energy inductively obtained by the circuitry to the light when the voltage multiplier is in the activated state. The light assembly can also include a housing, a lens cover releasably attached to the housing, and a control member for changing a characteristic of the light.

Retrofit light assembly and powder spray gun with integrated or retrofit light

A feed center for powder coating material includes a hopper, an extraction duct, and a control valve. The hopper is in fluid communication with a fluidizing pressure source. The extraction duct is in fluid communication with at least one suction source. The control valve connects the extraction duct with an extraction port of the hopper. The control valve is operable between a first position for applying suction from the at least one suction source to the hopper, and a second position providing an exterior opening in at least one of the control valve and the first extraction duct for exhausting pressurized fluid from the hopper and/or collecting at least some of the air and powder that is exhausted from the powder.

Feed center for dense phase system

A feed center for powder coating material includes a hopper, an extraction duct, and a control valve. The hopper is connectable in fluid communication with a fluidizing pressure source. The extraction duct is connectable in fluid communication with at least one suction source. The control valve connects the extraction duct with an extraction port of the hopper. The control valve is operable between a first position for applying suction from the at least one suction source to the hopper, and a second position providing an exterior opening in at least one of the control valve and the first extraction duct for exhausting pressurized fluid from the hopper and/or collecting at least some of the air and powder that is exhausted from the powder.

A selectively configurable spray gun may include a gun body comprising a selectable forward section and a rearward section. The rearward section may be connected with either of two or more selectable forward sections so as to selectively configure the spray gun to operate either with a dense phase powder supply configuration or a with dilute phase powder supply configuration. The rearward section may include a selectable powder flow path that is connectable at an inlet end to a source of dense phase powder and at an outlet end to a selectable spray nozzle in the selectable forward section that may optionally include a diffuser. An adapter may be used to connect the rearward section with a selectable spray nozzle or air cap. A manual spray gun embodiment is also presented. A selectively configurable spray gun for use with a dense phase powder supply may include a smaller diameter powder tube that extends through a larger diameter powder tube.

Dense phase or dilute phase delivery through a powder gun

A hot melt high temperature material application system with application device pressure monitoring and heated recirculating manifold uses high temperature pressure transducers with each application device such as spray guns to monitor hot melt material application. A material supply line fitting has a calibrated orifice at the interface with a device manifold associated with each application device. In another embodiment, the calibrated orifice is located in a fluid passageway of the device manifold. The calibrated orifice corresponds in size to the opening of a nozzle of the application device. Heated recirculating manifolds are combined with hot melt material supply systems to provide uniform pressure to multiple application devices, and to recirculate material back through the supply system. Each recirculating manifold includes a heater, pressure regulator, and a recirculation path. The manifolds may be directly or remotely connected to one or more hot melt material supply systems.

Hot melt material application system with high temperature pressure monitoring and heated recirculating manifolds

An apparatus for cleaning a coating gun nozzle used in spraying the inner surface of cans with a coating material comprises a cleaning solution spray nozzle having a cleaning spray extension and a cleaning spray nozzle for spraying a cleaning solution onto the coating gun nozzle to remove oversprayed coating material collecting thereon. The coating gun nozzle is disposed at an end of a coating gun nozzle extension. A single spray shield is disposed over the end of the coating gun nozzle extension, and has a flange portion which extends at least to an external surface of the cleaning nozzle extension to shield the components of the apparatus from oversprayed coating material. A check valve mechanism disposed within the cleaning spray extension prevents cleaning solution from dribbling or drooling from the cleaning spray nozzle. A control system controls the operation of the apparatus.

Nozzle cleaning system including coating spray gun cover for can coating

A spray gun for spraying a fluid has a manifold for connection to a supply of fluid, and a nozzle assembly is attached to the manifold. The nozzle assembly has a spray nozzle producing a generally fan-shaped spray pattern lying generally in a plane. The nozzle assembly is rotatable relative to manifold to permit the plane of the spray pattern to be manually reoriented while maintaining the manifold in a fixed position. The spray gun can be activated to produce the directional spray pattern. The nozzle assembly is manually rotated relative to the manifold while the spray gun is activated, and the spray pattern is observed the spray pattern while rotating the nozzle assembly. The rotatable nozzle assembly permits the plane of the spray pattern to be adjusted without turning the spray gun off.

Spray gun with rotatably adjustable nozzle

Apparatus and methods for monitoring a characteristic of fluid flow through a fluid dispenser that permit adverse flow conditions to be monitored, analyzed and displayed to an operator. The monitor samples either the static or firing pressure a predetermined number of times and calculates an average static and firing pressure over the sampling period. The average pressure values are compared to high and low warning and alarm limits and warning and alarm error codes are produced as a function thereof. In addition, individual sampled values are compared to the high and low warning and alarm limits and pressure values exceeding the limits during a sampling period are counted. Warning and alarm error codes are produced as a function of the counted values exceeding predetermined count values. The monitor control system discriminates between alarm conditions requiring immediate remedial attention and warning conditions the progress of which may be tracked and remedial action taken prior to an alarm condition occurring. Each fluid dispenser has a fluid monitor connected to a remote operator control with a data communications network. Consequently, an operator may monitor all of the monitor controls from a remote location. The monitor provides diagnostics that provide suggestions to the operator of potential causes of the particular adverse flow condition detected. Further, the monitor provides a more reliable calibration method and a swivel mounting for a attaching a sensor to the dispensing unit.

Monitor for fluid dispensing system

An apparatus for cleaning a coating gun nozzle used in spraying the inner surface of cans with a coating material comprises a cleaning nozzle of a cleaning gun for spraying a cleaning solution onto the spray nozzle to remove oversprayed coating material collecting thereon. The cleaning nozzle is secured to an end of an elongated cleaning gun extension and is positioned above a spray nozzle secured to one end of a coating gun extension for Spraying cleaning solution onto said spray nozzle. Cover sleeves, forming liquid-tight seals with the cleaning and spray nozzles, have removable friction engagement with the cleaning and spray gun extensions to shield the cleaning and spray guns from oversprayed coating material. A control system controls the operation of the coating and cleaning guns.

Nozzle cleaning system including spray gun cover for can coating system

An apparatus for cleaning a coating gun nozzle used in spraying the inner surface of cans with a coating material comprises a cleaning nozzle of a cleaning gun for spraying a cleaning solution onto the coating gun nozzle to remove oversprayed coating material collecting thereon. The cleaning nozzle is secured to an end of an elongated cleaning gun extension and is positioned above the coating gun nozzle secured to one end of a coating gun extension for spraying cleaning solution onto the coating gun nozzle. Cover sleeves, forming liquid-tight seals with the cleaning and coating gun nozzles, have removable friction engagement with the cleaning and coating gun extensions to shield the cleaning and coating guns from oversprayed coating material. A control system controls the operation of the coating and cleaning guns.

A coating dispenser such as a spray gun, which is particularly adapted for the application of a protective coating material onto metal can bodies, comprises a gun body formed with a liquid passageway which carries the valve stem of a needle valve. In the presently preferred embodiment, the lowermost end or valve tip of the needle valve, and a valve seat, are carried within a valve seat block which is secured to the base of the gun body. A threaded connection is provided between the valve tip in the valve seat block, and the valve stem within the gun body, so that the valve tip, valve seat and valve seat block can be removed and replaced as a unit when the valve tip and/or valve seat become worn. Structure is also provided to exert a combined spring force and hydraulic force on the needle valve in order to quickly and efficiently move it from an open position to a closed position relative to the valve seat.

Coating dispenser with hydraulic-assisted valve closure

A coating dispenser such as a spray gun which is particularly adapted for the application of a protective coating material onto metal can bodies comprises a gun body formed with a liquid passageway which carries the valve stem of a needle valve. In the presently preferred embodiment, the lowermost end or valve tip of the needle valve, and a valve seat, are carried within a valve seat block which is secured to the base of the gun body. A threaded connection is provided between the valve tip in the valve seat block, and the valve stem within the gun body, so that the valve tip, valve seat and valve seat block can be removed and replaced as a unit when the valve tip and/or valve seat become worn. Pins connected to the valve stem, and to the valve tip, are carried within slots in the gun body and valve seat block, respectively. These pins prevent rotation of the valve stem relative to the gun body and the valve tip relative to the valve seat block when they are threaded into and out of engagement with one another.

Coating dispenser with removable valve tip and valve seat

Growing community of inventors

Elyria, OH, United States of America

Thomas A Loparo