Net With Support Thread Piercing Warps
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Solution Overview
Problem
Existing light nets made of plastic threads struggle to balance low material usage and weight with sufficient strength, as thinner threads lack the necessary strength for functional applications.
Innovation Solution
A net design featuring multiple parallel warps and weft threads with additional support threads that pierce and connect the warps at multiple points, allowing for the use of thinner threads while maintaining strength through the formation of loops and zigzag patterns, thereby increasing the overall strength of the mesh.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If thinner plastic threads or threads with smaller cross section are used to reduce material usage and weight, then the material cost and weight decrease, but the strength of the net becomes insufficient
Solution Approach 1:
The net structure is segmented into multiple functional thread components: warp threads for basic structure, weft threads for mesh formation, and multiple support threads (first and second) for reinforcement. This segmentation allows each thread type to have optimized thickness for its specific function, with thinner warp and weft threads reducing weight while support threads provide concentrated strength where needed.
Solution Approach 2:
The net employs a composite structure combining different thread types and configurations. The first support thread runs longitudinally along warps, while the second support thread forms eyes/loops that engage with chain links. This composite arrangement creates a multi-layered strength system that compensates for using thinner primary threads, achieving both weight reduction and sufficient overall strength.
2Quantity of substance
If thinner plastic threads are used to reduce material usage, then the material cost decreases, but the strength of the net becomes insufficient
Solution Approach 1:
The reinforcement function is segmented from the primary structure threads. Instead of making all threads thick, the invention uses thin warp and weft threads for the basic mesh (reducing material quantity) while introducing separate support thread elements that provide the necessary strength reinforcement only where structurally required.
Solution Approach 2:
The support threads act as intermediary elements between the thin warp threads and the chain links. These intermediary threads distribute and transfer loads, allowing the use of thinner primary threads while maintaining overall net strength through the mediating support structure.
Data Source
Figure 1A~1B
Figure 2A
Figure 2B
AI summary
The invention relates to a net (200) having a plurality of warps (110) extending in the longitudinal direction (MD) and parallel to each other and several weft threads (120), of which one weft thread extends in each case to and fro between two adjacent warps (110) and connects the adjacent warps (110) to one another. Moreover, the net comprises a first support thread (130, 131) which extends along a warp (110) and penetrates the same at several points (181).