Elastic Sheet Packaging Apparatus for Fragile Product Protection

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing packaging structures fail to provide adequate protection and cushioning for fragile or high-value products during transportation and testing, leading to potential damage and performance issues.

Innovation Solution

A packaging apparatus comprising a main body with a base plate and side plates, an elastic sheet connected to the side plates, and optional corner plates and folding plates, which provides enhanced cushioning and protection by distributing impact forces and immobilizing the product.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If a simple packaging structure with elastic film and paper card is used, then the packaging is cost-effective and easy to manufacture, but the cushioning and protection performance is insufficient for fragile products

Engineering Contradiction:
Improvepackaging structure simplicityVSAvoidproduct protection performance
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The packaging structure is divided into multiple functional components: base plate for product support, side plates for lateral constraint, corner plates for impact absorption at vulnerable points, and elastic sheet for overall compression. Each segment performs a specific protection function, transforming a simple single-layer structure into a multi-component system that provides comprehensive protection while maintaining manufacturing simplicity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The packaging combines different materials with complementary properties: rigid plates (paper card or corrugated board) provide structural support and impact resistance, while the elastic film provides cushioning through deformation. This composite approach integrates the advantages of rigid and flexible materials to achieve both protection performance and cost-effectiveness.

Inventive Principle:
Principle #40Composite materials

2Reliability

If additional protective components are added to improve cushioning performance, then the protection capability is enhanced, but the device complexity increases

Engineering Contradiction:
Improvecushioning performanceVSAvoidpackaging structure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

Multiple protective functions are merged into a single integrated packaging apparatus. The base plate, side plates, corner plates, and elastic sheet work together as a unified system where the elastic sheet connects all rigid components, providing both structural integrity and cushioning in one assembled unit rather than separate protective elements.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The packaging apparatus is designed to perform multiple protection functions simultaneously: the base plate provides bottom support and compression resistance, side plates provide lateral constraint, corner plates protect against impact at vulnerable points, and the elastic sheet provides overall cushioning and product immobilization. This multi-functionality achieves comprehensive protection without requiring multiple separate packaging components.

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

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 packaging apparatus significantly improves the cushioning and protection performance, reducing the risk of product damage during transportation and testing, while maintaining a cost-effective and simple structure.

Implementation Method 1

A package structure including an elastic film and a paper card is widely used for product package. Specifically, using the package structure, a product may be placed on the paper card, the elastic film may cover the product and connected with the paper card. The product is packaged by pressing the product on the paper card based on the elasticity of the elastic film.

Methodology Applied
Scientific EffectElasticity: Elasticity

Data Source

PatentEP4013690B1Packaging apparatus
Publication Date: 2025.04.16 ZHEJIANG DAHUA TECH CO LTD
  • EP4013690B1 patent drawingFigure 1
  • EP4013690B1 patent drawingFigure 2
  • EP4013690B1 patent drawingFigure 3A~3B

AI summary

A packaging apparatus, includes a main body (10) and an elastic sheet (2); the main body (10) may include a base plate (1), a first side plate (11a), and a second side plate (11b); the first side plate (11a) and the second side plate (11b) may be distributed around the base plate (1); the elastic sheet (2) disposed above the base plate (1) may include a first fixing part and a second fixing part, the first fixing part and the second fixing part may be connected with the first side plate (11a) and the second side plate (11b), respectively; a space may be configured between the base plate (1) and the elastic sheet (2). When the packaging apparatus is used to package a subject (3), the first side plate (11a) and the second side plate (11b) may be folded away from a side of the base plate (1) where the subject (3) is located.