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Rubber and plastic air pipe

A trachea, rubber and plastic technology, applied in the direction of hose, pipe, pipeline protection, etc., can solve the problems of PU trachea, such as large, broken, hard and brittle pipe body, so as to achieve not easy to wear, long service life, good self-strength Effect

Inactive Publication Date: 2018-04-13
ZHEJIANG TAIZHOU GIRUI PLASTIC&RUBBER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the air pipe is generally made of PU material, which is low in cost and easy to connect. However, the PU air pipe is greatly affected by the climate. In summer, due to the high temperature, the overall softening of the PU air pipe reduces the strength of the pipe body, and the pipe body expands when high-pressure gas passes through the pipe. Even rupture, and at the same time, due to the low temperature in winter, the PU trachea is hardened as a whole, the tube body becomes hard and brittle, and the PU trachea is easy to break when bent

Method used

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  • Rubber and plastic air pipe

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Embodiment Construction

[0010] Such as figure 1 As shown, the present invention provides a rubber-plastic trachea, comprising a tube body 1, the tube body 1 is respectively provided with a rubber layer 2, a polyester layer 3, a plastic layer 4 from the inside to the outside, the polyester layer 3 and the rubber layer A diagonally wound metal wire 5 is arranged between the 2, and the rubber layer 2 and the polyester layer 3, and the plastic layer 4 and the polyester layer 3 are bonded by an adhesive layer 6.

[0011] Preferably, the material of the plastic layer 4 is PVC, and the metal wire 5 is stainless steel wire. The material of the plastic layer 4 can also be formed by adding PE, PP, etc. to PVC, and the rubber layer 2 is formed by mixing nitrile rubber and isoprene rubber.

[0012] The invention is resistant to high pressure, low temperature and high temperature, has good strength, is not easy to wear, and has a long service life.

[0013] The above is only a preferred embodiment of the presen...

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Abstract

The technical solution of the present invention is a rubber-plastic air tube, which includes a tube body, and the tube body is respectively provided with a rubber layer, a polyester layer, and a plastic layer from the inside to the outside, and an oblique winding layer is arranged between the polyester layer and the rubber layer. The metal wires are bonded between the rubber layer and the polyester layer, and between the plastic layer and the polyester layer through an adhesive layer. The invention is not sensitive to the change of external temperature, can work normally under the condition of -50°C to 100°C, is suitable for extremely cold regions and high temperature regions, and meanwhile has good strength, is not easy to wear, and has a long service life.

Description

technical field [0001] The invention relates to a trachea, in particular to a rubber-plastic trachea. Background technique [0002] At present, the air pipe is generally made of PU material, which is low in cost and easy to connect. However, the PU air pipe is greatly affected by the climate. In summer, due to the high temperature, the overall softening of the PU air pipe reduces the strength of the pipe body, and the pipe body expands when high-pressure gas passes through the pipe. Even rupture, and at the same time, due to the low temperature in winter, the PU trachea is hardened as a whole, the tube body becomes hard and brittle, and the PU trachea is easy to break when bent. Contents of the invention [0003] In view of the above problems, the present invention aims to provide a rubber and plastic air pipe, which can be used in low temperature environment and high temperature environment outside. [0004] The technical solution of the present invention is a rubber-pla...

Claims

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Application Information

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IPC IPC(8): F16L11/08F16L57/02F16L57/04B32B1/08B32B25/04B32B7/10B32B27/02B32B27/36B32B27/06B32B27/30B32B3/08B32B25/14
CPCF16L11/08B32B1/08B32B3/08B32B5/02B32B7/10B32B25/04B32B25/14B32B27/06B32B27/304B32B2262/0284B32B2307/712B32B2597/00F16L57/02F16L57/04
Inventor 余功新
Owner ZHEJIANG TAIZHOU GIRUI PLASTIC&RUBBER
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