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Reinforced composite pipe and manufacturing apparatus thereof

A technology of reinforced compounding and reinforced materials, which is applied to lamination devices, pipes/pipe joints/fittings, pipes, etc. It can solve the problems of unable to increase the content of feed particles, loss of resin liquid, and increased production costs, so as to prevent falling off, The effect of increasing the strength and increasing the use ratio

Inactive Publication Date: 2007-04-04
SEKISUI CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, a large amount of resin liquid may be lost during the production process, and at the same time, the content of the feed particles cannot be increased, which leads to the problem of increased production costs.

Method used

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  • Reinforced composite pipe and manufacturing apparatus thereof
  • Reinforced composite pipe and manufacturing apparatus thereof
  • Reinforced composite pipe and manufacturing apparatus thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0071] The structure of the reinforced composite pipe 21 of this embodiment 1 shown in FIGS. 1 to 5 will be described. In the above-mentioned strip-shaped resin mortar body 26, the outer end edges 26a, 26a of the parts located at the side edges of the above-mentioned resin mortar layer 22 , the reinforced composite pipe 21 is formed by gradually reducing the dimension W in the width direction so as to match the outer end edge position 24a of the inner surface protection layer 24 described above.

[0072] Therefore, this reinforced composite pipe 21 is constituted by winding the strip-shaped resin mortar body 26 spirally from above the inner surface protection layer 24 and the inner surface FRP layer 23 so that the edges 26a, 26a are formed on the reinforced composite pipe 21. In the direction of the tube axis, the neat winding is consistent throughout the entire circumferential area.

[0073] In addition, in the reinforced composite pipe 21 of the first embodiment, a thermoset...

Embodiment 2

[0128] 6 to 8 show the reinforced composite pipe 121 and the manufacturing device 130 of the reinforced composite pipe 121 according to the second embodiment of the present invention.

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Abstract

The inventive reinforced multiple-unit tube can make the ratio of the bubble mixed in the resin layer be reduced and the ratio of the supplied particles be increases, so as to reduce manufacture costs. The manufacture process of the reinforced multiple-unit tube includes the following steps: dipping sand material in the resin liquid and obtaining a resin motar layer formed by compressing and at last being obtained by ring winding round the peripheral surface of the coreboard with the internal protective covering of the resin layer. The resin motar layer is formed by spiral winding of a banded resin motar body along the shaft direction of the peripheral surface of the internal protective covering.

Description

technical field [0001] The invention relates to a reinforced composite pipe and a manufacturing device for the reinforced composite pipe. The reinforced composite pipe is used in distribution pipes such as water supply and drainage, agricultural water, and cooling water of industrial hydroelectric power stations that require durability and corrosion resistance. A layer of resin is laid on the inner and outer sides of the reinforced composite pipe, especially It is a fiber-reinforced resin layer reinforced with glass fiber or the like, and a resin mortar layer such as resin concrete is provided between these resin layers. Background technique [0002] Conventional reinforced composite pipes as shown in FIGS. 9 and 10 and a production apparatus for reinforced composite pipes are well known (see Patent Document 1 and the like for example). [0003] Among them, as the manufacturing apparatus 1 of the reinforced composite pipe 11, it is well known that on the outer peripheral su...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L9/14B32B1/08B32B37/00
Inventor 伊藤义一藤木康雄木下庸泰吉井孝育井上毅
Owner SEKISUI CHEM CO LTD
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