Interlocking Cloth Piece Assembly for Sewing-Free 3D Fabric Products
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Solution Overview
Problem
Existing methods for producing three-dimensional objects from coupled cloth pieces require fixing means such as sewing, making it difficult to achieve desired shapes solely through coupling.
Innovation Solution
A foundation cloth piece with a hexagonal central portion and alternating peripheral edge portions, featuring specific cuts that allow adjacent cloth pieces to couple and rise without the need for sewing, by arranging triangular portions on its periphery and defining gaps between central portions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If sewing or other fixing methods are used to achieve desired shapes in three-dimensional objects, then the shape accuracy and structural stability are improved, but the production complexity and time consumption increase
Solution Approach 1:
The cloth piece is divided into multiple functional regions: a central portion for forming the base, first peripheral edge portions with first cuts for coupling, and second peripheral edge portions with second cuts for coupling to different cloth pieces. This segmentation allows each region to perform its specific function independently, enabling three-dimensional object formation through simple coupling without sewing.
Solution Approach 2:
The first cuts and second cuts are designed to interlock with corresponding cuts of adjacent cloth pieces, creating a nested coupling structure. When multiple cloth pieces are coupled, their cuts fit into each other, forming a stable three-dimensional structure through mutual nesting without requiring additional fixing means.
2Strength
If sewing or other fixing methods are used to link cloth pieces, then the strength of the three-dimensional object is improved, but the production time and labor requirements increase
Solution Approach 1:
The first cuts and second cuts are pre-formed on the cloth pieces during manufacturing, preparing them in advance for coupling. This preliminary action ensures that when production occurs, the cloth pieces can be quickly coupled together without requiring time-consuming sewing or fixing operations, while still achieving the desired strength.
3Loss of substance
If cloth pieces are coupled to form flat sheets before cutting and sewing, then the material utilization is improved, but the overall production efficiency decreases
Solution Approach 1:
Instead of the conventional approach of forming flat sheets first and then cutting and sewing, this invention inverts the process by designing cloth pieces with pre-formed cuts that enable direct coupling into three-dimensional structures. This inversion eliminates the intermediate flat sheet formation and cutting steps, improving production efficiency while maintaining material utilization through the modular design.
Data Source
AI summary
The purpose of the present invention is to produce a three-dimensional formed body by connecting only cloth pieces without using a fixing device such as sewing. The peripheral edges of the central part of this bottom part cloth piece has first peripheral edge parts provided with first notches having the same shape as a basic cloth piece, and second peripheral edge parts provided with second notches. The first notches of the bottom part cloth piece are engaged with second notches of the basic cloth piece by matching each notch with a corresponding notch. The second notches of the bottom part cloth piece are engaged with first notches of the basic cloth piece by matching each notch with a corresponding notch.