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Spray nozzle with improved asymmetrical fluid discharge distribution

An asymmetrical, fluid jetting technology, applied in spraying devices, spraying devices, thin material processing, etc., can solve the problems of coating material consumption and container manufacturing cost increase

Inactive Publication Date: 2006-02-08
SPRAYING SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, similar to the round head type nozzle, this type of nozzle cannot apply a thin uniform coating on all inside surfaces of the container, resulting in ineffective consumption of coating material, which in turn leads to increased container manufacturing costs

Method used

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  • Spray nozzle with improved asymmetrical fluid discharge distribution
  • Spray nozzle with improved asymmetrical fluid discharge distribution
  • Spray nozzle with improved asymmetrical fluid discharge distribution

Examples

Experimental program
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Embodiment Construction

[0027] Referring now more specifically to FIG. 1, which schematically illustrates a portion of an exemplary container coating station, which includes a nozzle 10 embodying the present invention, which in this case sprays a fluid coating material in an asymmetrical distribution. More specifically, the nozzle 10 is configured to produce a flat fan shape in which the maximum amount of spray is offset from the center of the fan shape toward one end thereof. When using the container coating station, the containers 12 with open ends are sequentially carried onto the coating station, wherein the stationary nozzle 10 applies a coating material to the inner surface of the container 12 through the open end 14. The coating material may include vinyl, epoxy, acrylate or other suitable materials. When the coating material is being applied, the container 12 rotates relative to the nozzle 10 at a relatively high speed (ie, 500-3000 revolutions per minute) around its longitudinal axis 16, so that...

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PUM

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Abstract

A spray nozzle for producing an asymmetrically distributed fluid discharge pattern such as for use in a container coating application is provided. The spray nozzles includes a body portion having an internal fluid passageway which terminates in a substantially hemispherical dome shaped end wall. A discharge orifice is provided in the end wall which is produced by superimposing on each other an approximately round opening and an elongated opening having opposed rounded ends. The elongated opening having a length greater than a diameter of the round opening and the round opening and the elongated opening defining respective edges of the discharge orifice which extend at different angles relative to a longitudinal axis of the fluid passageway. The resulting orifice produces a fluid discharge pattern wherein the amount of fluid discharged tapers in a continuous, non-linear manner from the location of maximum discharge to points of minimum flow at either end of the discharge pattern.

Description

Technical field [0001] The present invention relates to nozzles and more particularly to nozzles used, for example, in the application of container coatings, which produce an improved asymmetric fluid spray distribution. Background technique [0002] In order to protect substances such as food and beverages from being contaminated, coatings are usually applied to the inside surfaces of those containers in which these substances are stored. This coating will prevent the inner container of the empty container from directly contacting the exposed metal or plastic inner surface of the container. For standard cylindrical containers or cans, this coating is generally applied to the inside of the container by applying a nozzle before attaching the top, which nozzle is configured to spray through the open end of the container. When the paint is sprayed from the nozzle, the container is rotated about its longitudinal axis, thus ensuring that all inner surfaces are coated. [0003] This co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05B13/06B05B1/04B05B1/02
CPCB05B13/069Y10T137/9682B05B13/0627B05B1/04
Inventor R·卡萨尼特斯
Owner SPRAYING SYST