Synthetic Resin Folding Box Nonslip Edges
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Solution Overview
Problem
Folding boxes made of cardboard and synthetic resin face issues with slipperiness, instability during carrying and stacking, and limited reuse due to soiling and structural weaknesses, leading to frequent collapse when stacked vertically.
Innovation Solution
A folding box made of synthetic resin with nonslip parts made of soft synthetic resin, integrated into the hinge areas and edges, providing a large surface area for friction to prevent slipping and enhance grip, stability, and ease of cleaning, while maintaining structural integrity and reducing material costs through two-color molding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the folding box is made of hard synthetic resin, then strength and durability are improved, but slipperiness increases and ease of carrying deteriorates
Solution Approach 1:
The patent applies local quality by integrating soft nonslip parts only at specific locations where hands contact the box (edges and corners), while the rest of the box maintains hard synthetic resin for strength. This resolves the contradiction by providing grip exactly where needed without compromising overall structural integrity.
Solution Approach 2:
The patent uses composite materials by combining hard synthetic resin for the box body with soft nonslip material (such as rubber or vinyl) at contact points. This composite approach allows the box to simultaneously achieve strength from the hard material and grip from the soft material, resolving the slipperiness issue.
2Ease of manufacture
If the folding box is made of cardboard, then ease of manufacture and cost are improved, but strength and durability deteriorate
Solution Approach 1:
The patent applies parameter changes by transitioning from cardboard to synthetic resin material, fundamentally changing the material parameters to achieve higher strength and durability while maintaining manufacturability through injection molding processes.
Solution Approach 2:
The patent uses composite materials by integrating soft nonslip parts into the hard synthetic resin box structure, combining the advantages of both material types to achieve strength, durability, and improved handling characteristics.
3Reliability
If the folding box is made of synthetic resin, then durability and reusability are improved, but manufacturing complexity increases
Solution Approach 1:
The patent applies merging by integrating the nonslip parts directly into the box structure during the injection molding process, combining multiple functions (structural integrity, grip, durability) into a single manufactured component rather than assembling separate parts.
Solution Approach 2:
The patent uses composite materials to achieve durability while managing manufacturing complexity through integrated molding techniques that combine hard and soft materials in a single production process.
4Quantity of substance
If the folding box is stacked vertically in multiple stages, then storage efficiency is improved, but stability deteriorates and collapse occurs
Solution Approach 1:
The patent applies local quality by providing nonslip parts at specific locations (edges and corners) that contact adjacent boxes during stacking, creating stable contact points that prevent sliding and collapse while maintaining storage efficiency.
Solution Approach 2:
The patent converts the previously harmful slipperiness of smooth surfaces into a benefit by intentionally adding nonslip parts at strategic locations, transforming the sliding problem into a stable stacking solution where the nonslip materials prevent collapse during vertical storage.
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 folding box can be stably carried and stacked without slipping, reused multiple times, and prevents collapse even when misaligned, due to the nonslip features and improved structural design, while reducing material usage and manufacturing costs.
Implementation Method 1
nonslip parts made of soft synthetic resin, integrated into the hinge areas and edges, providing a large surface area for friction to prevent slipping and enhance grip
Data Source
AI summary
A folding box made of synthetic resin which a worker can surely grip and stably carry without a slip by gripping whichever edge parts of a hexahedron of a box with both hands is provided. The folding box includes a rectangular-tube shaped side wall configuration member 3 comprised of four side panels 1 made of hard synthetic resin, adjacent side ends of the four side panels 1 being foldably connected to each other through side panel connecting hinge parts 2, a bottom plate configuration member 6 comprised of connecting bottom pieces 4 made of hard synthetic resin which are foldably connected to bottom ends of the plurality of side panels 1 through bottom piece connecting hinge parts 5, and a lid configuration member 7 comprised of lid pieces 15 made of hard synthetic resin which are foldably connected to upper ends of the plurality of side panels 1 through lid piece connecting hinge parts 10. Nonslip parts 13 made of soft synthetic resin exposed to the outside are provided near edges of one or both surfaces adjacent to each other at right angle through edges of a hexahedron. The Nonslip parts are provided near all the sides of the hexahedron.