Multi -axial grid netting
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Solution Overview
Problem
Existing multi-axial grid nettings require frequent maintenance, increasing overall maintenance costs while aiming to combine high strength, elasticity, and aesthetic appeal.
Innovation Solution
A multi-axial grid netting design featuring interlaced and superposed threads made from high elastic modulus materials like carbon, Kevlar, and polypropylene, with a reinforcing thread and adhesive resin, forming irregular meshes that do not require maintenance over time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional grid netting materials are used, then the netting achieves basic strength and elasticity, but it requires frequent maintenance over time
Solution Approach 1:
The patent applies composite materials by combining high-modulus fibers (carbon, Kevlar, Technora) with polymeric resin matrices to create threads that maintain both mechanical strength and resistance to environmental degradation. This composite structure eliminates the need for frequent maintenance while preserving the netting's elastic and strong properties throughout its service life.
Solution Approach 2:
The patent changes the material parameters by selecting fibers with exceptionally high elastic modulus values (carbon fiber up to 400 GPa, Kevlar up to 120 GPa) compared to traditional materials. This parameter change in material stiffness and strength-to-weight ratio enables the netting to achieve long-term durability without maintenance while maintaining its functional performance.
2Strength
If high-strength materials are used to increase strength, then the netting achieves high strength, but it increases in weight
Solution Approach 1:
The patent uses composite materials consisting of high-strength fibers embedded in a lightweight polymeric resin matrix. This composite approach achieves high tensile strength (up to 3000 MPa with carbon fiber) while maintaining low density, as the resin matrix provides structural continuity without adding significant weight, thus resolving the strength-weight trade-off.
Solution Approach 2:
The patent applies local quality by concentrating the high-strength fibers only in the thread structures where mechanical load is transmitted, while the polymeric resin matrix provides local flexibility and environmental protection. This localized reinforcement achieves high overall strength without uniformly increasing the weight of the entire netting structure.
3Stability of the object's composition
If multiple threads are interlaced to form a grid structure, then the netting achieves structural stability, but it increases manufacturing complexity
Solution Approach 1:
The patent applies segmentation by dividing the grid netting into modular units formed by interlacing discrete threads along orthogonal directions. Each thread acts as an independent structural element that can be manufactured separately and then assembled into the grid pattern, simplifying the overall manufacturing process while maintaining grid stability through the systematic interlacing of these segmented components.
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 provides a lightweight, high-strength grid netting with reduced maintenance needs, offering aesthetic appeal, soundproofing, and insulating effects, suitable for various applications including architectural facings and aircraft seats, while being economically advantageous.
Implementation Method 1
Each first and second thread 4, 5 comprises a plurality of strands 7 defined by thin, elongate elements placed side by side and joined to each other by impregnation with an adhesive resin 8
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
Described is a permeable multi-axial grid netting comprising a plurality of first and second threads (4, 5) which are interlaced and superposed to form a grid (2) whose meshes (3) present an irregular and/or regular closed broken line (6); each first and second thread (4, 5) comprises a plurality of strands (7) defined by thin, elongate elements placed side by side and joined to each other by impregnation with an adhesive resin (8).