A nozzle structure for a paint spray gun, is comprised of a central outlet for paint, an annular slot surrounding the central outlet, the annular slot being connected inside the nozzle structure via an annular duct to a number of virtually axially parallel bores, the bores being situated on at least
A nozzle structure for a paint spray gun, is comprised of a central outlet for paint, an annular slot surrounding the central outlet, the annular slot being connected inside the nozzle structure via an annular duct to a number of virtually axially parallel bores, the bores being situated on at least one circle about a central axis of the nozzle structure, apparatus for providingid="DEL-S-00001" date="20080715" ,id="DEL-S-00001" compressed air via the bores for delivery to the annular duct, and an air id="DEL-S-00002" date="20080715" reversingid="DEL-S-00002" id="INS-S-00001" date="20080715" deflection id="INS-S-00001" disk located inside the annular duct and opposite the bores.
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I claim: 1. A nozzle structure for a paint spray gun, comprising a central outlet for paint, an annular slot surrounding the central outlet, the annular slot being connected inside the nozzle structure via an annular duct id="INS-S-00013" date="20080715" having a downstream end connected to the ann
I claim: 1. A nozzle structure for a paint spray gun, comprising a central outlet for paint, an annular slot surrounding the central outlet, the annular slot being connected inside the nozzle structure via an annular duct id="INS-S-00013" date="20080715" having a downstream end connected to the annular slot and an upstream end connected id="INS-S-00013" to a number of virtually axially parallel bores, the bores being situated on at least one circle about a central axis of the nozzle structure, means for providing compressed air via the bores for delivery to the id="INS-S-00014" date="20080715" upstream end of the id="INS-S-00014" annular duct, and an air id="DEL-S-00014" date="20080715" reversingid="DEL-S-00014" id="INS-S-00015" date="20080715" deflection id="INS-S-00015" disk located inside the annular duct and opposite the bores id="INS-S-00016" date="20080715" for producing at the upstream end of the annular duct a first area of turbulence in the flow of air from the bores to the annular slotid="INS-S-00016" . 2. A nozzle structure id="DEL-S-00015" date="20080715" as defined in claim 1id="DEL-S-00015" id="INS-S-00017" date="20080715" for a paint spray gun, comprising a central outlet for paint, an annular slot surrounding the central outlet, the annular slot being connected inside the nozzle structure via an annular duct to a number of virtually axially parallel bores, the bores being situated on at least one circle about a central axis of the nozzle structure, means for providing compressed air via the bores for delivery to the annular duct, and an air deflection disk located inside the annular duct and opposite the boresid="INS-S-00017" , wherein said nozzle structure is comprised of a paint nozzle containing the bores, the air id="DEL-S-00016" date="20080715" reversingid="DEL-S-00016" id="INS-S-00018" date="20080715" deflection id="INS-S-00018" disk is round and is in one piece with the paint nozzle that contains the bores, the nozzle structure containing a round nozzle insert for retaining the nozzle arrangement by means of threads, a front region of said paint nozzle forming, in a direction of paint flow, an inside wall of the annular duct, an outside wall of the annular duct being formed by an air cap which is attachable to the nozzle insert. 3. A nozzle structure as defined in claim 2, in which an outside wall of the annular duct tapers continuously from the bores to the annular slot and curves continuously in the region of the annular slot until said wall is parallel with the central axis. 4. A nozzle structure as defined in claim 3, wherein the continuous tapering of the outside wall in a direction toward the air id="DEL-S-00017" date="20080715" reversingid="DEL-S-00017" id="INS-S-00019" date="20080715" deflection id="INS-S-00019" disk is discontinuously interrupted by a plane annular surface oriented at almost right angles to the central axis. 5. A nozzle structure as defined in claim 2, wherein the nozzle insert has axially parallel horn air bores at the periphery of the nozzle insert, the air cap containing two diametrically opposite, axially parallel supply bores, two diametrically opposite horns containing outlet holes, the air bores being connected to the supply bores, the supply bores being connected to the outlet holes, the outlet holes being directed to the central axis in a direction of flow toward the annular slot. 6. A nozzle structure as defined in claim 5, in which the air cap has at least one essentially axially parallel control bore between the central axis and each of said horns. 7. A nozzle structure as defined in claim 6, in which the air cap has two essentially axially parallel control bores between the central axis and each of said horns. 8. A nozzle structure as defined in claim 2, wherein the inside wall of the annular duct tapers conically in a direction of the air id="DEL-S-00018" date="20080715" reversingid="DEL-S-00018" id="INS-S-00020" date="20080715" deflection id="INS-S-00020" disk, starting at a first angle, following at a second, smaller angle and finally being cylindrical to form a inside wall of the annular slot. 9. A nozzle structure as defined in claim 5, and further including a paint spray gun on which the nozzle structure is mounted. 10. A nozzle structure id="DEL-S-00019" date="20080715" as defined in claim 1id="DEL-S-00019" id="INS-S-00021" date="20080715" for a paint spray gun, comprising a central outlet for paint, an annular slot surrounding the central outlet, the annular slot being connected inside the nozzle structure via an annular duct to a number of virtually axially parallel bores, the bores being situated on at least one circle about a central axis of the nozzle structure, means for providing compressed air via the bores for delivery to the annular duct, and an air deflection disk located inside the annular duct and opposite the boresid="INS-S-00021" , in which an outside wall of the annular duct tapers continuously from the bores to the annular slot and curves continuously in the region of the annular slot until said wall is parallel with the central axis. 11. A nozzle structure as defined in claim 10, wherein the continuous tapering of the outside wall in a direction toward the air id="DEL-S-00020" date="20080715" reversingid="DEL-S-00020" id="INS-S-00022" date="20080715" deflection id="INS-S-00022" disk is discontinuously interrupted by a plane annular surface oriented at almost right angles to the central axis. 12. A nozzle structure as defined in claim 10, further including a nozzle insert having axially parallel horn air bores at the periphery of the nozzle insert, an air cap forming an outside wall of the annular duct containing two diametrically opposite, axially parallel supply bores, two diametrically opposite horns containing outlet holes, the air bores being connected to the supply bores, the supply bores being connected to the outlet holes, the outlet holes being directed to the central axis in a direction of flow toward the number slot. 13. A nozzle structure as defined in claim 10, wherein the inside wall of the annular duct tapers conically in a direction of the air id="DEL-S-00021" date="20080715" reversingid="DEL-S-00021" id="INS-S-00023" date="20080715" deflection id="INS-S-00023" disk, starting at a first angle, following at a second, smaller angle and finally being cylindrical to form an inside wall of the annular slot. 14. A nozzle structure id="DEL-S-00022" date="20080715" as defined in claim 1id="DEL-S-00022" id="INS-S-00024" date="20080715" for a paint spray gun, comprising a central outlet for paint, an annular slot surrounding the central outlet, the annular slot being connected inside the nozzle structure via an annular duct to a number of virtually axially parallel bores, the bores being situated on at least one circle about a central axis of the nozzle structure, means for providing compressed air via the bores for delivery to the annular duct, and an air deflection disk located inside the annular duct and opposite the boresid="INS-S-00024" , wherein the inside wall of the annular duct tapers conically in a direction of the air reversing disk, starting at a first angle, following at a second, smaller angle and finally being cylindrical to form an inside wall of the annular slot. 15. A nozzle structure id="DEL-S-00023" date="20080715" as defined in claim 1id="DEL-S-00023" id="INS-S-00025" date="20080715" for a paint spray gun, comprising a central outlet for paint, an annular slot surrounding the central outlet, the annular slot being connected inside the nozzle structure via an annular duct to a number of virtually axially parallel bores, the bores being situated on at least one circle about a central axis of the nozzle structure, means for providing compressed air via the bores for delivery to the annular duct, and an air deflection disk located inside the annular duct and opposite the boresid="INS-S-00025" , wherein the air reversing disk is made as a separate component which is mounted onto a paint nozzle that contains the bores and is retained by the nozzle structure. 16. A nozzle structure as defined in claim 1, wherein the bores are arranged on one or more circles about the central axis. 17. A nozzle structure as defined in claim 1, and further including a paint spray gun on which the nozzle structure is mounted. id="INS-S-00026" date="20080715" 18. A nozzle structure as defined in claim 1, wherein the air deflection disk includes an edge for producingid="INS-S-00026" id="DEL-S-00024" date="20080715" aid="DEL-S-00024" id="INS-S-00027" date="20080715" the first area of turbulence in the flow of air from the bores to the annular slot. id="INS-S-00027" id="INS-S-00028" date="20080715" 19. A nozzle structure as defined in claim 18, wherein the annular duct includes an annular surface between the air deflection disk and the annular slot for producing a second area of turbulence in the flow of air from the bores to the annular slot. id="INS-S-00028" id="INS-S-00029" date="20080715" 20. A nozzle structure as defined in claim 18, wherein the annular duct includes an outside tapered wall, and the edge of the air deflection disk is spaced from the outside wall to form an opening allowing air to flow past the air deflection disk toward the annular slot. id="INS-S-00029" id="INS-S-00030" date="20080715" 21. A nozzle structure as defined in claim 1, wherein the air deflection disk includes an edge interrupting the flow of air exiting from the bores and distributing the air peripherally around the annular duct. id="INS-S-00030" id="INS-S-00031" date="20080715" 22. A nozzle structure for a paint spray gun according to claim 1, wherein the annular duct includes an annular surface between the air deflection disk and the annular slot for producing a second area of turbulence in the flow of air from the bores to the annular slot. id="INS-S-00031" id="INS-S-00032" date="20080715" 23. A nozzle structure for a paint spray gun, comprising a central outlet for paint, an annular slot surrounding the central outlet, the annular being connected inside the nozzle structure via an annular duct to a number of virtually axially parallel bores, the bores being situated on at least one circle about a central axis of the nozzle structure, means for providing compressed air via the bores for delivery to the annular duct, and an air deflection disk located inside the annular duct and opposite the bores, wherein the annular duct includes an inside wall and an outside tapered wall extending from the air deflection disk to the annular slot. id="INS-S-00032" id="INS-S-00033" date="20080715" 24. A nozzle structure for a paint spray gun, comprising a central outlet for paint, an annular slot surrounding the central outlet, the annular slot being connected inside the nozzle structure via an annular duct to a number of virtually axially parallel bores, the bores being situated on at least one circle about a central axis of the nozzle structure, means for providing compressed air via the bores for delivery to the annular duct, and an air deflection disk located inside the annular duct and opposite the bores, further including at a pair of air jet horns, and least a pair of axial air control bores respectively on opposite sides of the annular slot and connected with the annular duct for controlling the air jet horns, and wherein the air deflection disk is disposed between the bores and the control bores to prevent the direct flow of air from the bores to the control bores. id="INS-S-00033" id="INS-S-00034" date="20080715" 25. A nozzle structure as defined in claim 24, wherein the air deflection disk includes an edge disposed in the path of the air flow from the bores for producing air turbulence with tangential components that peripherally distribute the air around the annular duct. id="INS-S-00034" id="INS-S-00035" date="20080715" 26. A nozzle structure as defined in claim 24, wherein the air deflection disk includes an edge for homogenizing the pressure around the periphery of the annular duct. id="INS-S-00035"
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