Reusable Side Supports for Flat Item Packaging

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Solution Overview

Problem

The folding box industry seeks a more economical, ecological, and practical solution for packaging flat articles that preserves the shape memory of flat items, as existing methods like tension banding can damage items and reduce their shape memory, and corrugated cardboard boxes are not reusable or adaptable for all types of flat articles.

Innovation Solution

A device using a pair of rigid side supports that form a self-supporting, light structure around flat articles, allowing controlled compression and protection, which can be reused and adapted for various types of flat articles, including folding boxes, while minimizing the risk of damage and maintaining shape memory.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Volume of moving object

If tension band packaging is used to compress flat articles, then handling and storage bulk is reduced, but the flat articles at the ends are damaged and shape memory is significantly reduced

Engineering Contradiction:
ImprovebulkVSAvoiddamage to flat articles
Core Design Contradiction:
Volume of moving objectVSObject-affected harmful factors

Solution Approach 1:

The patent introduces an intermediary packaging structure consisting of a rigid base tray and a flexible dome-shaped cover that acts as a mediator between the flat articles and the external environment. This intermediary structure provides protective compression without direct contact between tension bands and the flat articles, thereby preventing damage while maintaining reduced bulk for handling and storage.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent employs a flexible dome-shaped cover made of thin film material that can apply uniform compression force across the flat articles without creating concentrated stress points. This flexible shell approach allows the packaging to maintain compact volume while distributing pressure evenly, preventing damage to the flat articles and preserving their shape memory.

Inventive Principle:
Principle #30Flexible shells and thin films

2Object-affected harmful factors

If corrugated cardboard boxes are used for packaging, then protection is provided, but reusability is limited and adaptability to different flat articles is poor

Engineering Contradiction:
ImproveprotectionVSAvoidadaptability to different flat articles
Core Design Contradiction:
Object-affected harmful factorsVSAdaptability or versatility

Solution Approach 1:

The patent designs a universal packaging system with a standardized base tray and dome cover configuration that can accommodate various sizes and types of flat articles. The modular design allows the same basic structure to be adapted for different products, providing consistent protection while enabling reuse across multiple packaging applications, thus achieving both protection and versatility.

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

Solution Approach 2:

The patent segments the packaging into distinct functional components: a rigid base tray for structural support, a flexible dome cover for protection and compression, and optional internal dividers. This segmentation allows each component to be optimized independently and enables reconfiguration for different flat articles, enhancing both protection capabilities and adaptability while facilitating reuse.

Inventive Principle:
Principle #1Segmentation

3Productivity

If flat articles are compressed tightly to reduce bulk, then handling efficiency is improved, but shape memory is lost which is necessary for automated packaging equipment

Engineering Contradiction:
Improvehandling efficiencyVSAvoidshape memory
Core Design Contradiction:
ProductivityVSStability of the object's composition

Solution Approach 1:

The patent applies partial compression through the flexible dome cover, providing just enough compression to reduce bulk and improve handling efficiency without excessive force that would permanently deform the flat articles. This controlled partial action maintains the necessary shape memory for automated packaging equipment while still achieving compact packaging for storage and transport.

Inventive Principle:
Principle #16Partial or excessive action

Data Source

PatentEP2989023B1Device comprising reusable holders for the packaging of flat items, and corresponding packaging
Publication Date: 2019.10.16 CONCEPTION IMPACK DTCI
  • EP2989023B1 patent drawingFigure 1~2
  • EP2989023B1 patent drawingFigure 3
  • EP2989023B1 patent drawingFigure 4

AI summary

The invention relates to a device that can be used to form a self-supporting, open packaging container (120) of lightweight structure for the packaging of a carton (110) of individual flat items (100) placed directly next to one another and aligned along a straight longitudinal axis (112) in the direction of the thickness of the flat items (100). The device includes a pair of individual rigid side holders (130), disposed opposite one another and placed such as to rest laterally directly on respective sides of the carton (110). The rigidity of the flat items (100) across the width thereof is used to form the self-supporting packaging container (120). In particular, the device allows the longitudinal compression of the flat items (100) to be controlled, which is useful in the case of flat shape-memory items (100), such as folding boxes.