Steel Wire Framed Pipe Composite Structure

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Solution Overview

Problem

Steel wire framed pipes face issues with wear resistance, heat resistance, antibacterial properties, and fouling resistance, leading to reduced service life and compressive strength, despite their high strength and practicality.

Innovation Solution

A wear-heat-resistant anti-bacterial anti-fouling steel wire framed pipe is developed, comprising an anti-bacterial anti-fouling inner layer, a wear-heat-resistant outer layer, and an enhancement layer with steel wire gauze, made from specific composite materials and processed using hot-melt adhesive and cross-linking techniques to enhance durability and resistance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If conventional steel wire framed pipe is used, then high strength and practicability are achieved, but wear resistance and heat resistance are poor

Engineering Contradiction:
Improvecompressive strengthVSAvoidwear resistance
Core Design Contradiction:
StrengthVSReliability

Solution Approach 1:

The patent uses composite materials for the outer layer, combining PE-RT base material with wear-resistant additives and cross-linking agents. This creates a multi-functional composite material that simultaneously provides high strength, wear resistance, and heat resistance, resolving the contradiction between strength and reliability.

Inventive Principle:
Principle #40Composite materials

Solution Approach 2:

The patent changes the chemical and physical parameters of the outer layer material by adding cross-linking agents and modifying the molecular structure through cross-linking reactions. This increases the material's wear resistance and heat resistance while maintaining its compressive strength, thus resolving the technical contradiction.

Inventive Principle:
Principle #35Parameter changes

2Strength

If conventional steel wire framed pipe is used, then high strength is achieved, but service life is reduced due to cracking

Engineering Contradiction:
Improvecompressive strengthVSAvoidservice life
Core Design Contradiction:
StrengthVSDuration of action of stationary object

Solution Approach 1:

The patent develops a composite material system that includes crack-resistant additives and cross-linked polymer structures. This composite material maintains high compressive strength while significantly improving crack resistance and extending the service life of the pipe.

Inventive Principle:
Principle #40Composite materials

Solution Approach 2:

The patent incorporates crack-arresting mechanisms and flexible additives in advance into the outer layer material. These components act as cushioning elements that prevent crack propagation before cracks can compromise the structural integrity, thereby extending service life while maintaining strength.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

3Strength

If conventional steel wire framed pipe is used, then high strength is achieved, but antibacterial property and fouling resistance are poor

Engineering Contradiction:
Improvecompressive strengthVSAvoidbacterial growth and fouling
Core Design Contradiction:
StrengthVSObject-affected harmful factors

Solution Approach 1:

The patent incorporates antibacterial agents and anti-fouling additives into the outer layer composite material. This creates a multi-functional material that maintains mechanical strength while providing antibacterial protection and fouling resistance, resolving the contradiction between strength and resistance to harmful factors.

Inventive Principle:
Principle #40Composite materials

4Temperature

If PE-RT material is used to improve heat resistance, then heat resistance is enhanced, but wear resistance and cracking resistance remain poor

Engineering Contradiction:
Improveheat resistanceVSAvoidwear resistance and cracking resistance
Core Design Contradiction:
TemperatureVSReliability

Solution Approach 1:

The patent creates a composite material system where PE-RT provides the heat resistance foundation, while additional wear-resistant additives and cross-linking agents are incorporated. This composite approach allows the material to simultaneously achieve high heat resistance, wear resistance, and cracking resistance.

Inventive Principle:
Principle #40Composite materials

Solution Approach 2:

The patent modifies the PE-RT material parameters by introducing cross-linking reactions and adding functional additives. These parameter changes transform the material properties to achieve a balance between heat resistance, wear resistance, and cracking resistance, resolving the technical contradiction.

Inventive Principle:
Principle #35Parameter changes

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The solution significantly improves compressive strength, heat resistance, wear resistance, and antibacterial properties, extending the service life and maintaining water quality by reducing fouling and cracking risks.

Implementation Method 1

the interlayer is respectively bonded with the anti-bacterial anti-fouling inner layer and the wear-heat-resistant outer layer via hot-melt adhesive

Methodology Applied
Scientific EffectHot-melt adhesive bonding: Adhesive

Implementation Method 2

the wear-heat-resistant outer layer is made from wear-resistant cross-linked modified PE-RT

Methodology Applied
Scientific EffectCross-linking: Chemical Bonding

Data Source

PatentUS9989188B2Wear-heat-resistant anti-bacterial anti-fouling steel wire framed pipe and manufacturing method thereof
Publication Date: 2018.06.05 KANGTAI PLASTIC SCI & TECH GRP CO LTD
  • US9989188B2 patent drawing
  • US9989188B2 patent drawing

AI summary

A wear-heat-resistant anti-bacterial anti-fouling steel wire framed pipe and a manufacturing method thereof are provided. The steel wire framed pipe includes: an anti-bacterial anti-fouling inner layer, an enhancement layer and a wear-heat-resistant outer layer from inside to outside in turn, wherein: the anti-bacterial anti-fouling inner layer is made from antifouling and antibacterial composite modified polyethylene; the wear-heat-resistant outer layer is made from wear-resistant cross-linked modified PE-RT; the enhancement layer includes an interlayer and two steel wire gauze layers respectively coating on an inner surface and an outer surface of the interlayer, and the interlayer is respectively bonded with the anti-bacterial anti-fouling inner layer and the wear-heat-resistant outer layer via hot-melt adhesive. The steel wire framed pipe provided by the present invention has high structural strength, wear-resistance, heat-resistance, and anti-bacterial and anti-fouling properties.