Multi-Compartment Shopping Bag Folding Method
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional shopping bags lack separate compartments to protect fragile items and minimize material waste, often requiring mixing of different types of purchases and not allowing for odor separation.
Innovation Solution
A method of folding a square or rectangular sheet into a multi-compartment bag by dividing it into nine fields, where the central field forms the bottom and the surrounding fields create sides and inner walls, allowing for separate compartments without material waste, and can be adapted for various uses with optional handles and straps.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single-compartment shopping bag is used, then the bag structure is simple and easy to manufacture, but fragile items cannot be protected and different types of purchases must be mixed
Solution Approach 1:
The bag is divided into multiple compartments by folding the sheet material to create internal partitions. The folding process naturally forms separate spaces within the bag body, allowing different types of items (fragile, non-fragile, odor-emitting) to be stored separately without requiring additional structural components.
Solution Approach 2:
The patent utilizes the third dimension (depth/volume) by folding the flat sheet material to create multi-level compartments. The folding technique transforms a two-dimensional sheet into a three-dimensional structure with internal partitions, achieving compartmentalization without adding material complexity.
2Loss of substance
If traditional folding methods are used, then the manufacturing process is simple, but material waste occurs and no odor separation is possible
Solution Approach 1:
The sheet material is pre-divided into nine fields with predetermined folding lines before the folding process begins. This preliminary layout ensures that the entire sheet is utilized efficiently, minimizing or eliminating material waste, while the folding technique automatically creates the necessary compartments for odor separation.
Solution Approach 2:
The same folding technique and bag structure serve multiple functions: it creates separate compartments for protecting fragile items, provides odor separation through dedicated spaces, and achieves near-zero material waste through efficient sheet utilization. One folding method accomplishes all these objectives simultaneously.
3Reliability
If plastic bags are used, then the bags are inexpensive and widely available, but they cannot protect fragile items and contribute to environmental pollution
Solution Approach 1:
The folding technique creates multiple compartments within the bag, with some compartments designed to protect fragile items. The segmented structure allows fragile items to be placed in protected spaces while maintaining a simple manufacturing process that only requires folding pre-cut sheet material.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The invention relates to a folded bag and a method for forming a bag from a square or rectangular shaped sheet, which method comprises the steps of dividing the sheet into nine fields arranged such that eight fields surround a central field; folding the sheet along folding-lines between and across the fields in such a way that the central field forms the bottom of the bag and the eight surrounding fields form the sides of the bag and at least one inner wall providing separated compartments in the bag.