Composite Reinforcing Wrap for Pipe Strength and Heat Resistance

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Solution Overview

Problem

Existing methods for reinforcing industrial equipment such as pressure vessels and pipes fail to provide sufficient compressive strength and heat resistance while occupying minimal space.

Innovation Solution

A method involving the use of a wrapping material reinforced with an epoxy and curing agent mixture, combined with an aggregate material to create a bonding concrete, which is applied to the wrapping material to enhance compressive strength and heat resistance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If polymer or carbon fiber wrap is used to reinforce industrial equipment, then the repair is lightweight and occupies minimal space, but the compressive strength and heat resistance are insufficient

Engineering Contradiction:
Improvecompressive strengthVSAvoidweight of wrapping material
Core Design Contradiction:
StrengthVSWeight of stationary object

Solution Approach 1:

The patent applies composite materials by combining wrapping material (such as fiber-reinforced polymer) with concrete to create a hybrid reinforcement system. The wrapping material provides tensile strength and lightweight properties, while the concrete contributes compressive strength and heat resistance, resolving the contradiction between strength requirements and weight constraints.

Inventive Principle:
Principle #40Composite materials

2Temperature

If polymer or carbon fiber wrap is used to reinforce industrial equipment, then the repair occupies minimal space, but the heat resistance capability is insufficient

Engineering Contradiction:
Improveheat resistanceVSAvoidvolume of wrapping material
Core Design Contradiction:
TemperatureVSVolume of stationary object

Solution Approach 1:

The concrete-composite wrapping material system provides superior heat resistance compared to conventional polymer or carbon fiber wraps alone. The concrete layer acts as a thermal barrier while maintaining a compact profile, addressing the heat resistance deficiency without significantly increasing volume.

Inventive Principle:
Principle #40Composite materials

3Strength

If conventional wrapping materials are used, then the application process is simple, but the compressive strength and heat resistance are insufficient

Engineering Contradiction:
Improvecompressive strengthVSAvoidease of application
Core Design Contradiction:
StrengthVSEase of manufacture

Solution Approach 1:

The patent modifies the material parameters by incorporating concrete into the wrapping system, fundamentally changing the material composition to achieve both compressive strength and heat resistance. This parameter change balances the enhanced performance requirements with acceptable application complexity.

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 method provides enhanced compressive strength and heat resistance for industrial equipment while maintaining a lightweight and space-efficient design.

Implementation Method 1

mixing an epoxy and a curing agent to create a bonding mixture, adding an aggregate material to the bonding mixture to create a bonding concrete

Methodology Applied
Scientific EffectChemical Bonding: Chemical Bonding

Data Source

PatentUS12378160B1Method of reinforcing industrial equipment
Publication Date: 2025.08.05 DRAGON IND WRAP LLC

AI summary

A method of reinforcing industrial equipment, which includes the steps of providing a wrapping material, mixing an epoxy and a curing agent to create a bonding mixture, adding an aggregate material to the bonding mixture to create a bonding concrete, applying the bonding concrete to the wrapping material to create a reinforcing wrap, and wrapping the reinforcing wrap around the industrial equipment. The method makes use of use of an aggregate material to create a concrete, and add to the compressive strength of the wrapped pipe as well as allowing the wrapping material to withstand greater heat and provide insulating properties.