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Steel-plastic wound multiple pipe and manufacturing device and manufacturing technique of steel-plastic wound multiple pipe

A manufacturing device and manufacturing process technology, which is applied in the field of large-diameter steel-plastic composite pipe, steel-plastic winding composite pipe and its manufacturing equipment, can solve the problem that the pipeline cannot be used for conveying liquid under pressure, etc., and achieves the optimization of the process and the scope of application The effect of increasing the wide and pressure bearing capacity

Inactive Publication Date: 2014-03-19
山东天迈管业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the large-diameter drainage pipes on the market are almost all steel-plastic composite products. These steel-plastic composite drainage pipes are mostly non-pressure structure pipes, and they all have sufficient ring stiffness to support the external load of the soil and ensure long-term safe use. However, they cannot be used as Used in pipelines for conveying liquid under pressure

Method used

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  • Steel-plastic wound multiple pipe and manufacturing device and manufacturing technique of steel-plastic wound multiple pipe
  • Steel-plastic wound multiple pipe and manufacturing device and manufacturing technique of steel-plastic wound multiple pipe
  • Steel-plastic wound multiple pipe and manufacturing device and manufacturing technique of steel-plastic wound multiple pipe

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Embodiment Construction

[0042] Such as Figure 1 to Figure 6 as shown,

[0043] A steel-plastic winding composite pipe includes at least the following two basic styles.

[0044] Style 1, a spiral steel-plastic winding composite pipe formed by winding steel-plastic strips and hot-melt welding. There are vertical reinforcing ribs 11 and grooves 12 on the outer surface of the steel-plastic winding composite pipe 1. In the groove 12 between two reinforcing ribs on the outer surface of the pipe matrix, there is a spiral plastic filler 13 filled with thermoplastic and condensed, such as figure 1 and figure 2 As shown, a flat-walled structure is formed on the outer surface of the steel-plastic wound composite pipe, forming a solid double-flat-walled pipe.

[0045] Wherein the style of the reinforcing rib can be any style in the prior art and the existing market, Figure 4 to Figure 6 Only three common pipe wall styles are listed in , by filling the groove with plastic material and compacting to form a...

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Abstract

The invention discloses a steel-plastic wound multiple pipe, and a manufacturing device and a manufacturing technique of the steel-plastic wound multiple pipe. The steel-plastic wound multiple pipe comprises a steel-plastic wound multiple pipe substrate, wherein the steel-plastic wound multiple pipe substrate is wound by a steel-plastic band material and is welded through hot melting to form a spiral shape; vertical reinforcing ribs are arranged on the outer surface of the steel-plastic wound multiple pipe substrate. The steel-plastic wound multiple pipe is characterized in that spiral plastic filling materials, which are stuffed in a thermoplastic manner and formed through condensation, are arranged in the grooves between every two reinforcing ribs on the outer surface of the steel-plastic wound multiple pipe substrate. The invention further discloses the manufacturing device and the manufacturing technique of the pipe. The pipe has the advantages of high strength, easiness in manufacturing, and fold increase in bearing capacity of the pipe; meanwhile, the pipe is very low in transforming cost, has a relatively wide applicable scope, and can be widely applied to upgrade and transforming of various steel-plastic wound pipes.

Description

technical field [0001] The patent of the invention relates to a steel-plastic winding composite pipe and its manufacturing device and manufacturing process. It is a large-diameter steel-plastic composite pipe, and the pipe is mainly used in the field of liquid transportation. Background technique [0002] At present, polyethylene plastic pipes have been widely used in domestic water supply pipelines. The characteristics of this pipe are very prominent, with long service life and excellent corrosion resistance. In addition, no heavy metal salt stabilizers are added to polyethylene pipes during processing, and the material is non-toxic. In addition, it It will not promote the growth of algae, bacteria or fungi, which better solves the problem of secondary pollution of drinking water in cities and towns, and has good hygienic performance. Because it is an all-plastic pipe, when meeting the operating pressure and resisting external pressure (ring stiffness), the wall thickness o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L9/16B29C69/00
CPCF16L9/16B29C48/0019B29C53/566
Inventor 阴法军
Owner 山东天迈管业有限公司
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