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Double layer anticorrosive plastic-steel metal member and its production process

A technology for metal components and manufacturing methods, applied in the direction of metal material coating process, coating, layered products, etc., can solve the problems of reducing the anti-corrosion performance of metal pipe fittings, weak adhesion of plastic layers, and narrow application range, achieving structural Simple, easy to operate, and the effect of reducing production costs

Inactive Publication Date: 2009-11-04
李富春
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the plastic layer is not firmly bonded and easy to fall off because the metal coating and the plastic layer are connected together by the method of bonding in the pipe fittings in the existing corrosive metal components, which reduces the corrosion resistance of the metal pipe fittings. Anti-corrosion performance; and because the structure is only applied to straight seam steel pipes, there is a problem of narrow application range, and a method for manufacturing double-layer anti-corrosion plastic-steel metal components is provided

Method used

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specific Embodiment approach 1

[0006] Specific implementation mode one: combine figure 1 , Figure 4 , Figure 5 This embodiment is described. This embodiment consists of a metal component with a metal coating 1; the surface of the metal coating 1 is sprayed with a plastic layer 3; the metal component is a carbon steel component and / or a cast iron component.

specific Embodiment approach 2

[0007] Specific implementation mode two: combination figure 1 , figure 2 Describe this embodiment, the difference between this embodiment and specific embodiment 1 is: the metal component of this embodiment includes a metal pipe fitting 2-1; The surface is sprayed with a plastic layer 3 . The metal coating 1 is coated on the exposed surface of the entire metal pipe fitting 2-1, and the plastic layer 3 is sprayed on all the surfaces of the metal coating 1, which can ensure that the metal pipe fitting 2-1 has good anti-corrosion performance.

specific Embodiment approach 3

[0008] Specific implementation mode three: combination figure 1 , figure 2 Describe this embodiment, the metal pipe fitting 2-1 of this embodiment includes a pipe collar, an elbow, a tee, a joint, a round pipe, and a square pipe. The invention is not only applicable to various corrosive metal pipes, but also applicable to various corrosive connecting pipes connected with the pipes. Other components and connections are the same as those in the first embodiment.

[0009] Specific implementation mode four: combination image 3 , Figure 4 , Figure 5 Describe this embodiment, the difference between this embodiment and specific embodiment one is: the metal component of this embodiment also includes a metal plate 2-2; the exposed surface of the metal plate 2-2 is coated with a metal coating 1, and the metal coating 1 The surface of the plastic layer 3 is sprayed. Metal coating 1 is coated on the exposed surface of the entire metal plate 2-2, and plastic layer 3 is sprayed on...

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Abstract

The present invention is double layer anticorrosive plastic-steel member and its production process. The double layer anticorrosive plastic-steel member includes one metal member with metal coating and one plastic layer sprayed to the surface of the metal coating. Its production process heating the metal member with metal coating to 250-320 deg.c, and spraying plastic to the surface of the metal coating in the speed of 0.5-1 m / min. The present invention has the advantages of simple structure, less production steps and low production cost, and the double layer anticorrosive plastic-steel member may be used widely in pipeline and tanks for water draining, chemical industry, oil and gas conveying, etc.

Description

technical field [0001] The invention relates to a method for manufacturing an anti-corrosion plastic-steel metal component, in particular to a method for manufacturing a double-layer anti-corrosion plastic-steel metal component. Background technique [0002] In order to prolong the service life of the corrosion-prone metal components, it is necessary to carry out anti-corrosion treatment on the surface of the corrosion-prone metal components. In order to achieve a better anti-corrosion effect, currently the metal pipe fittings in the easily corroded metal components are mainly coated with a metal coating on the surface of the metal pipe fittings, and then coated with an adhesive on the surface of the metal coating to bond with the plastic layer. The anti-corrosion plastic-steel metal pipe fittings made by the above method, in use, the plastic layer and the metal coating layer are not firmly bonded, and the plastic layer is easy to fall off, thereby reducing the anti-corrosio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B1/08C23C4/04C23C4/16
Inventor 李富春
Owner 李富春