Aluminum tube and method for manufacturing same

A manufacturing method and technology of aluminum tubes, applied in the direction of coating, etc., can solve problems such as weak impact resistance, decreased adhesion, and increased production costs, and achieve the effects of reducing manufacturing costs, simplifying the coating process, and reducing fire hazards

Inactive Publication Date: 2011-09-28
THINK COAT
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Problems solved by technology

[0004] However, in the case of aluminum tubes, there are the following problems: impact resistance against external impact is weak; substances such as gas and vapor inside the aluminum tube may cause corrosion of the aluminum tube container; various colors cannot be expressed in appearance
[0008] However, since this method sprays liquid epoxy on the surface of the aluminum tube, the thickness of the liquid epoxy coated on the surface of the aluminum tube is not consistent according to the spraying method, resulting in a significant decrease in its adhesion. Dry the liquid epoxy in a heating furnace. When epoxying, it is necessary to keep the surface temperature of the aluminum tube at a certain level, so there is a problem that the production cost is increased, and there is a danger of fire caused by the highly volatile liquid epoxy resin

Method used

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  • Aluminum tube and method for manufacturing same
  • Aluminum tube and method for manufacturing same
  • Aluminum tube and method for manufacturing same

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Embodiment Construction

[0026] Hereinafter, the present invention will be specifically described based on preferred embodiments of the present invention shown in the accompanying drawings.

[0027] figure 1 is a structural diagram of the aluminum tube manufacturing method, figure 2 is a flowchart of the aluminum tube manufacturing method, image 3 It is a figure showing the state in which the adhesive and resin of the present invention are applied to an aluminum pipe, Figure 4 It is a cross-sectional view of the aluminum pipe of the present invention.

[0028] First, refer to Figure 1 to Figure 2 , specifically explain the aluminum pipe 100 of the present invention and its manufacturing method.

[0029] Such as figure 2 As shown, the manufacturing method of the aluminum tube 100 of the present invention includes the following steps: a supply step S1 of supplying the aluminum tube 100; a high-frequency preheating step S3 of preheating the above-mentioned aluminum tube 100 by using high freque...

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Abstract

The present invention relates to an aluminum tube and a method for manufacturing the same, and more specifically to an aluminum tube that enables the enhancement of adhesion between the aluminum tube and the resin coating coated onto the surface of the aluminum tube, and a method for manufacturing the same. The method comprises: a supply step wherein an aluminum tube is supplied, a high frequency preheating step wherein said aluminum tube is preheated at a high frequency, an adhesive coating step wherein the surface of said preheated aluminum tube is coated with an adhesive of a gel state, and a resin coating step wherein said aluminum tube coated with said adhesive is coated with a resin.

Description

technical field [0001] The present invention relates to an aluminum tube and a manufacturing method thereof, in particular to an aluminum tube with resin coating on the surface of the aluminum tube and a manufacturing method thereof. Background technique [0002] In general, various metal pipes are generally used for piping pipes, railings, fences, and structures installed in public facilities. [0003] Since such metal piping is required to be copper-plated or fluororesin-coated for anti-corrosion, there are problems of high cost and heavy weight. Recently, aluminum pipes, which are light in weight and low in cost, have been favored over metal pipes. [0004] However, in the case of aluminum tubes, there are the following problems: impact resistance against external impact is weak; substances such as gas and vapor inside the aluminum tube may cause corrosion of the aluminum tube container; and various colors cannot be expressed in appearance. In order to solve these probl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C63/18B29C48/09B29C48/151
CPCB29C47/0023B29C47/021F16L58/10B29C48/09B29C48/151B29C63/18
Inventor 南宫泳
Owner THINK COAT
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