Nozzle head for a spray device
First Claim
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1. A nozzle head for a spray device, comprising:
- a liquid conveying channel having a liquid conveying nozzle opening;
a hollow air conveying needle connected to a source of compressed air and disposed within the liquid conveying channel and having a non-cylindrical shaped air conveying opening at an endmost tip of the needle, the needle displaceable to block the liquid conveying channel while not blocking the air conveying opening at the endmost tip;
an air ring nozzle surrounding said liquid conveying channel; and
at least two horns projecting laterally and away from the liquid conveying channel, each horn having a plurality of non-circular air horn nozzles each having a longer axis that is perpendicular to a shorter axis, and the longer axis is aligned with a direction of spray of the liquid when the device is spraying the liquid.
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Abstract
The invention relates to a nozzle head for a spray device, comprising a central material nozzle, an air ring nozzle surrounding said material nozzle, and preferably at least two laterally projecting horns, into each of which at least one horn air nozzle is incorporated, and optionally comprising a material-conducting needle, characterized in that at least one nozzle (3, 3a, 3b, 5, 5a, 12, 12a, 12b, 15, 16, 17, 17a, 17b, 17c, 18, 18a, 18b1, 18b2, 18b3, 300a, 300b), preferably at least one horn air nozzle (15, 16, 17, 17a, 17b, 18, 18a, 18b1, 18b2, 18b3, 300a), has a non-cylindrical shape.
376 Citations
25 Claims
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1. A nozzle head for a spray device, comprising:
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a liquid conveying channel having a liquid conveying nozzle opening; a hollow air conveying needle connected to a source of compressed air and disposed within the liquid conveying channel and having a non-cylindrical shaped air conveying opening at an endmost tip of the needle, the needle displaceable to block the liquid conveying channel while not blocking the air conveying opening at the endmost tip; an air ring nozzle surrounding said liquid conveying channel; and at least two horns projecting laterally and away from the liquid conveying channel, each horn having a plurality of non-circular air horn nozzles each having a longer axis that is perpendicular to a shorter axis, and the longer axis is aligned with a direction of spray of the liquid when the device is spraying the liquid. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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Specification