Foldable Packaging System with Asymmetric Fold Lines

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Solution Overview

Problem

Conventional packaging systems are limited by their single-use design, specific application, and lack of reusability, as well as inefficiencies in manufacturing and assembly processes, which restrict their adaptability and aesthetic appeal.

Innovation Solution

A foldable packaging system comprising a main body, trapezoidal front flap, and intermediate body portion with specific fold lines and adhesive strips, allowing for easy assembly, reusability, and aesthetically appealing rounded edges, while being adaptable for various merchandise sizes and types.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If conventional packaging systems are designed as single-use with specific applications, then manufacturing and assembly are simplified, but adaptability and reusability are reduced

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoidadaptability
Core Design Contradiction:
Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The packaging system is designed with a modular structure featuring a main body, front flap section, and intermediate body portion that can be configured for multiple uses. The foldable design with specific fold lines (x > x′) allows the same structure to serve as different package types (drink box, banker's box, etc.), eliminating the need for multiple specialized packaging designs.

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

2Ease of operation

If packaging systems use die cut blanks folded along score lines, then assembly is straightforward, but aesthetic appeal and structural strength are limited

Engineering Contradiction:
Improveassembly easeVSAvoidstructural strength
Core Design Contradiction:
Ease of operationVSStrength

Solution Approach 1:

The packaging system is divided into distinct segments (main body, front flap section, intermediate body portion) connected by fold lines. This segmentation allows each part to be optimized independently while maintaining easy assembly through folding, and enhances structural strength through the multi-section construction that distributes mechanical loads.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The intermediate body portion features curved sides that extend from the front face to the side portion, creating rounded edges that improve aesthetic appeal. The curvature also enhances structural strength by distributing stress more evenly compared to sharp corners, while maintaining the foldable assembly mechanism.

Inventive Principle:
Principle #14Spheroidality (Curvature)

3Device complexity

If packaging systems are designed for specific single uses, then design is simplified, but reusability and repeated access are reduced

Engineering Contradiction:
Improvedesign complexityVSAvoidreusability
Core Design Contradiction:
Device complexityVSDuration of action of stationary object

Solution Approach 1:

The front flap section is designed to be foldable over the main body, creating a dynamic opening mechanism that allows repeated access to the interior. The fold lines (with x > x′) enable the flap to move between closed and open positions, transforming a static single-use package into a reusable container that maintains structural integrity through multiple cycles of opening and closing.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS10625900B2Foldable packaging system
Publication Date: 2020.04.21 PRICE JOEL
  • US10625900B2 patent drawing
  • US10625900B2 patent drawing
  • US10625900B2 patent drawing

AI summary

The present disclosure relates to a storage container and, more particularly, to a foldable packaging system and methods of assembly. The foldable packaging system includes: a main body; a front flap section; and an intermediate body portion connecting to both the main body and the front flap section at a first fold line and a second fold line along upper and lower edges of the intermediate body portion, respectively, wherein the first fold line has a length “x”, the second fold line has a length “x′”, and x>x′.