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Bell cup or atomizer ring comprising an insulating coating

A technology of air rings and bell cups, applied in coatings, devices for coating liquid on surfaces, electrostatic spray devices, etc., can solve problems such as high risk of fire

Active Publication Date: 2017-09-26
DUERR SYST GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, the risk of fire is particularly high

Method used

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  • Bell cup or atomizer ring comprising an insulating coating
  • Bell cup or atomizer ring comprising an insulating coating
  • Bell cup or atomizer ring comprising an insulating coating

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0079] The exemplary embodiments shown in the figures partially overlap so that, for the sake of illustration, similar or identical parts bear the same reference numerals, and reference is also made to the description of the other exemplary embodiments in order to avoid repetitions.

[0080] figure 1 is a sectional view of an electrostatic rotary atomizer 10 for painting motor vehicle bodies and / or additional parts thereof. The rotary atomizer 10 comprises a bell cup 1 for atomizing lacquer and for delivering a spray jet of lacquer, the bell cup 1 rotating during operation. The rotary atomizer 10 also comprises a pilot-air ring 2 for delivering a pilot-air flow from the pilot-air outlet 7 to shape the spray jet of paint delivered through the bell cup 1, during operation the pilot-air ring 2 Does not rotate. The bell cup 1 is arranged in front of the guide air ring 2 . The guide-air ring 2 corresponds to an embodiment of the invention, while the bell cup 1 can be designed su...

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Abstract

The invention relates to a coating plant component (1; 2) for a suitably electrostatic rotary atomizer (10). Said coating plant component (1; 2) is a bell cup (1) or an atomizer ring (2). The coating plant component (1; 2) comprises a metal main part (1.1; 2.1) and is characterized in particular in that the metal main part (1.1; 2.1) is provided with a non-metal material (3). The invention further relates to an associated method for applying non-metal material (3) to a coating plant component (1; 2).

Description

technical field [0001] The invention relates to a coating plant part for a rotary atomizer, wherein the coating plant part is provided with a non-metallic material for avoiding sparks. The coating plant part may be a bell cup. The coating plant component can be a pilot-air ring. Background technique [0002] For general prior art, reference may be made first to DE 102009013979 A1, DE 102008027997 A1 and US2010 / 0211205 A1. [0003] Rotary atomizers for painting motor vehicle bodies and their accessories are known in various forms from the prior art. Such rotary atomizers typically consist of a metal bell cup that rotates during operation to atomize the paint and to deliver the paint spray jet, and a metal bell cup that does not rotate during operation to deliver the pilot-air flow to shape the paint spray jet metal boot-air ring. There are also guide-air rings made of plastic. These are used, for example, in the case of external loading (conductive paint). A guide-air r...

Claims

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Application Information

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IPC IPC(8): B05B5/04B05D5/12B05D3/00B05D1/00B05D1/02
CPCB05B5/0403B05B5/0407B05B5/0426B05D1/00B05D1/02B05D3/002B05D5/12B05B15/14B05B5/081B24C1/00C08L101/00
Inventor B·塞茨M·鲍曼H-J·诺尔特
Owner DUERR SYST GMBH
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