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Double-wall corrugated pipe with reinforced coating and its manufacturing mold

A double-wall corrugated pipe, a technology for manufacturing molds, applied to coatings, pipes, rigid pipes, etc., can solve problems such as aging resistance, wear resistance, and poor appearance quality

Active Publication Date: 2020-10-30
DALIAN SUNLIGHT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The HDPE double-wall corrugated pipes currently on the market have no coating, the appearance quality is poor, and they are neither wear-resistant nor aging-resistant.

Method used

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  • Double-wall corrugated pipe with reinforced coating and its manufacturing mold
  • Double-wall corrugated pipe with reinforced coating and its manufacturing mold
  • Double-wall corrugated pipe with reinforced coating and its manufacturing mold

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with accompanying drawing.

[0023] In order to make the double-wall corrugated pipe more durable, this application provides a new type of double-wall corrugated pipe with reinforced coating, such as figure 1 , figure 2 As shown, by adding a layer of 0.1-0.3mm high-density polyethylene or polypropylene special material coating layer on the outer surface of the ordinary HDPE double-wall corrugated pipe, although the cost is slightly increased, the service life of the corrugated pipe and the appearance of the pipe The quality can be greatly improved.

[0024] Among them, the reinforced coating can be made of pure high-density polyethylene or polypropylene plastic particles. The pure material is used because of its excellent physical properties, and it is also easier to integrate with the original material of the double-wall corrugated pipe. And 5%-10% color masterbatch can be added to it to enhance it...

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Abstract

The invention discloses a double-wall corrugated pipe with a reinforcing coating and a manufacturing mold thereof. Through coating the external wall of the double-wall corrugated pipe with a layer ofa high-density polyethylene or polypropylene special-purpose pure material, requirements of wear resistance, ageing resistance, beauty, and the like on the external surface of the double-wall corrugated pipe can be met. The pipe is applied to drainage, sewage, communication cable protection and other fields of urban construction and is durable. The mold used for processing the coating does not have to be manufactured newly, and only slight modification of an original extruder structure and processing of a distribution tray are needed so that the cost is low, aging is fast, and the difficulty for coating the double-wall corrugated tube with the layer of the high-density polyethylene special-purpose material is reduced.

Description

technical field [0001] The invention relates to the technical field of double-wall bellows manufacturing. Background technique [0002] At present, the HDPE double-wall corrugated pipes on the market are not coated, the appearance quality is poor, and they are neither wear-resistant nor aging-resistant. Contents of the invention [0003] The technical problem solved by the present invention is to provide a double-wall corrugated pipe with a reinforced coating and its manufacturing mold, which can be easily coated with a layer of double-wall corrugated pipe after slightly improving the existing manufacturing equipment. Enhanced coating. [0004] The technical solution adopted in the present invention is a double-wall corrugated pipe with reinforced coating, which is characterized in that: there is a layer of reinforced coating on the outer wall of the corrugated pipe, the thickness of the reinforced coating is 0.1mm-0.3mm, and the material of the reinforced coating is pure...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C48/32B29C48/21B29C48/285F16L9/18F16L57/06
CPCB29C48/151B29C48/288B29C48/30B29C48/32F16L9/18F16L57/06
Inventor 俞洋任忠恩徐兰
Owner DALIAN SUNLIGHT TECH CO LTD