Three-dimensional weaving system

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Solution Overview

Problem

Conventional weaving technologies struggle to produce three-dimensional woven fabrics with complex shapes and variable properties, as they lack the precision to control warp thread tension and positioning effectively, limiting the creation of intricate designs and functional variations within a single fabric.

Innovation Solution

A three-dimensional effector system for a weaving loom that applies tension to selective warp threads using shaped contact heads and positions these effectors before and after weft insertion points, controlled by a logic unit to deform the threads and maintain deformities, allowing for dynamic tension and precise placement of reactive materials to create complex patterns and properties.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If conventional weaving technologies are used, then the weaving process is simple, but the ability to produce three-dimensional woven fabrics with complex shapes and variable properties is limited

Engineering Contradiction:
Improveability to produce three-dimensional woven fabrics with complex shapes and variable propertiesVSAvoidweaving system complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The effector system is divided into multiple independent effectors, each capable of selectively applying tension to specific warp threads. This segmentation allows complex three-dimensional patterns to be created by coordinating the actions of individual effectors, resolving the contradiction between producing complex 3D fabrics and maintaining system simplicity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system employs dynamically controllable effectors that can adjust tension forces in real-time during the weaving process. The logic unit coordinates effector positions and tension applications dynamically, enabling the production of varied three-dimensional shapes and properties while maintaining a relatively simple base hardware architecture.

Inventive Principle:
Principle #15Dynamics

2Manufacturing precision

If precision control of warp thread tension and positioning is implemented, then complex patterns and functional variations can be created, but the control system complexity increases

Engineering Contradiction:
Improvecontrol of warp thread tension and positioning precisionVSAvoidcontrol system complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The logic unit receives input signals that specify desired effector positions and tension levels, comparing these with actual system state to coordinate precise effector movements and tension applications. This feedback mechanism enables high manufacturing precision for complex patterns while keeping the control architecture relatively simple through automated coordination.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system pre-calculates and coordinates effector positions and tension applications based on input signals before executing the weaving pattern. This preliminary coordination allows precise control of warp thread tension and positioning without requiring complex real-time control mechanisms during the actual weaving process.

Inventive Principle:
Principle #10Preliminary action

3Adaptability or versatility

If dynamic tension control and effector positioning are implemented, then three-dimensional shapes and variable properties can be produced, but the device complexity increases

Engineering Contradiction:
Improveproduction of three-dimensional shapes and variable propertiesVSAvoideffector system complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

Each effector in the system is designed as a multi-functional unit capable of both positioning itself at different locations along the warp threads and applying variable tension forces. This universality reduces the need for separate specialized components, thereby producing three-dimensional shapes and variable properties without proportionally increasing overall device complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

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

Enables the production of woven articles with desired three-dimensional shapes and variable properties, such as enhanced durability, comfort, and aesthetic features, by dynamically controlling warp thread tension and positioning, thereby overcoming the limitations of traditional weaving methods.

Implementation Method 1

an effector that applies tension to selective warp threads to produce a deformation of the selective warp threads

Methodology Applied
Scientific EffectTension: Tension

Implementation Method 2

a positioning mechanism that positions the effector at one or more locations along a series of warp threads

Methodology Applied
Scientific EffectMechanical positioning:

Data Source

PatentEP2807298B1Three-dimensional weaving system
Publication Date: 2019.12.04 NIKE INNOVATE CV
  • EP2807298B1 patent drawingFigure 15
  • EP2807298B1 patent drawingFigure 16
  • EP2807298B1 patent drawingFigure 17

AI summary

Different weaving materials, apparatuses, and methods are provided for producing woven textiles having different functional and aesthetic characteristics as compared to woven textiles produced using conventional methods. The different weaving materials comprise reactive materials or combined materials produced by an intermittent splicer. The different apparatuses include finishing devices for introducing organically- shaped lateral edges and interior apertures, and three-dimensional effectors for introducing three-dimensional aspects into a product as it is being woven. Weaving methods include simultaneously weaving fine denier panels and coarse denier panels.