Spray coating device for coating material

Patent metadata

Field	Value
Publication number	US-9700906-B2
Application number	US-76984910-A
Country	US
Kind code	B2
Filing date	Apr 29, 2010
Priority date	Apr 29, 2009
Publication date	Jul 11, 2017
Grant date	Jul 11, 2017

Abstract

In a spray coating apparatus having a spray coating gun with a gun body and a coating material tube, a nozzle provided at the front end of the coating material tube, the coating material tube extends from the nozzle at the front end of the coating material tube to a connection piece at the rear end of the coating material tube. A metering system which can be connected to the coating material tube by the connection piece is provided for setting the amount of coating material that is fed to the nozzle per unit of time.

First claim

The invention claimed is:

1. A spray coating apparatus for coating material, comprising
a gun body,
a cylindrical coating material tube, which includes a front end and a rear end and extends through the gun body,
a nozzle provided at the front end of the cylindrical coating material tube, and arranged to spray coating material fed to the nozzle by the coating material tube,
a connection piece at the rear end of the coating material tube, and
a metering system connected to the coating material tube by means of the connection piece for setting an amount of coating material that is fed to the nozzle per unit of time,
wherein the diameter of the front end of the cylindrical coating material tube is same as the diameter of the rear end of the cylindrical coating material tube, and
wherein the front end of the cylindrical coating material tube defines the part of the coating apparatus from which the coating material enters the nozzle.

2. The spray coating apparatus according to claim 1 , wherein the metering system is arranged outside the gun body.

3. The spray coating apparatus according to claim 1 , wherein the coating material tube, which extends between the nozzle at the front end and the connection piece at the rear end of the coating material tube, is formed in one piece.

4. The spray coating apparatus according to claim 1 , wherein
the gun body includes a gun head at a front end of the gun body and a head holder at a rear end of the gun body, and
the gun head and the nozzle together define a nozzle assembly.

5. The spray coating apparatus according to claim 4 , further comprising a compressed air cooler for cooling pattern-forming and atomizing air fed to the nozzle assembly,
wherein
the nozzle assembly further comprises an air cap being arranged at the front end of the gun body.

6. The spray coating apparatus according to claim 4 , wherein the nozzle assembly is configured for electrostatic application of the coating material.

7. A spray coating apparatus for coating material, comprising
a spray coating gun, including
a gun body,
a cylindrical coating material tube, which includes a front end and a rear end and extends through the gun body, and
a nozzle provided at the front end of the cylindrical coating material tube, and arranged to spray coating material fed to the nozzle by the cylindrical coating material tube,

a machine adapter connected to the spray coating gun, and including a compressed air cooler for cooling pattern-forming and atomizing air fed to the nozzle, and
a connection piece at the rear end of the cylindrical coating material tube,
wherein the diameter of the front end of the cylindrical coating material tube is same as the diameter of the rear end of the cylindrical coating material tube, and
wherein the front end of the cylindrical coating material tube defines the part of the coating apparatus from which the coating material enters the nozzle.

8. A spray coating apparatus for coating material, comprising,
a spray coating gun, including
a gun body having a gun head at a front end of the gun body and a head holder at a rear end of the gun body,
a cylindrical coating material tube, which includes a front end and a rear end and extends through the gun body, and
a nozzle provided at the front end of the cylindrical coating material tube, and arranged to spray coating material fed to the nozzle by the cylindrical coating material tube, the gun head and the nozzle together define a nozzle assembly.

a machine adapter connected to the spray coating gun, and including a compressed air cooler for cooling pattern-forming and atomizing air fed to the nozzle, and
a connection piece at the rear end of the cylindrical coating material tube,
wherein the nozzle assembly is configured for electrostatic application of the coating material,
wherein the diameter of the front end of the cylindrical coating material tube is same as the diameter of the rear end of the cylindrical coating material tube, and
wherein the front end of the cylindrical coating material tube defines the part of the coating apparatus from which the coating material enters the nozzle.

9. The spray coating apparatus for coating material of claim 8 , wherein the compressed air cooler is a vortex cooler tube.

Assignees

• Steiger Ronald
• Carlisle Fluid Tech Inc

Inventors

• Steiger Ronald

Classifications

• B05B7/066

  with an inner liquid outlet surrounded by at least one annular gas outlet · CPC title

• B05B7/2464 Primary

  a liquid being fed by mechanical pumping from the container to the nozzle · CPC title

• B05B5/03

  characterised by the use of gas {, e.g. electrostatically assisted pneumatic spraying (B05B5/04, B05B5/043, B05B5/047 take precedence)} · CPC title

• B05B7/0815

  with at least one gas jet intersecting a jet constituted by a liquid or a mixture containing a liquid for controlling the shape of the latter · CPC title

• B05B7/16

  incorporating means for heating {or cooling} the material to be sprayed {(spraying by means of explosions B05B7/0006)} · CPC title