Button Cell Packaging with Separate Compartments for Child Safety
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Solution Overview
Problem
Existing button cell packaging does not adequately balance child safety, visual appeal, and economic efficiency, particularly in blister packs, and lacks flexibility in design and manufacturing.
Innovation Solution
A packaging unit with separate individual compartments for each button cell, formed by a deep-drawn plastic hood and rear plastic film, which requires tools to open, ensuring child safety and flexibility in design and manufacturing, using materials like PET for secure encapsulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a single closure area is used for multiple button cells in a blister pack, then the packaging structure is simplified and manufacturing is easier, but child safety is compromised as children can easily open the package
Solution Approach 1:
The packaging is divided into separate individual compartments, each with its own closure area. This segmentation ensures that each button cell is independently sealed and cannot be accessed by children, while maintaining manufacturing feasibility through modular assembly of identical compartment units.
2Object-affected harmful factors
If individual compartments are created for each button cell to improve child safety, then safety is enhanced, but manufacturing complexity and cost increase
Solution Approach 1:
Identical individual compartment units are used for all button cells in the packaging. Each compartment serves multiple functions: it provides child safety through its secure closure, contains the button cell, and can be manufactured using the same mold and assembly process. This universality reduces overall complexity compared to custom designs for each cell.
3Object-affected harmful factors
If a secure closure mechanism is implemented in each individual compartment to prevent child opening, then child safety is improved, but the packaging becomes more expensive to manufacture
Solution Approach 1:
The individual compartments use inexpensive materials such as thin plastic films and simple closure elements that can be easily manufactured and discarded after use. The closure mechanism relies on basic sealing principles rather than complex locking systems, keeping material and manufacturing costs low while maintaining adequate child safety.
4Adaptability or versatility
If transparent materials are used in the packaging to improve visual appeal and product visibility, then customer attraction is enhanced, but plastic waste and environmental impact increase
Solution Approach 1:
The packaging uses thin, transparent plastic films that provide adequate visibility of the button cells while minimizing material consumption. After use, these thin films can be easily disposed of or recycled, reducing the environmental impact compared to thicker or more complex transparent packaging structures.
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 solution provides a secure, visually appealing, and cost-effective packaging that prevents accidental ingestion and damage, allowing flexible design and manufacturing, with reduced plastic waste and environmental impact.
Implementation Method 1
The packaging unit comprises a separate individual compartment for each of the button cells, which encloses the button cells
Implementation Method 2
the individual compartments are each formed from a separate deep-drawn plastic hood and a rear plastic film attached to it
Data Source
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AI summary
In a packaging unit (100; 200; 300; 400) for at least two button cells (50), the packaging unit comprises a separate individual compartment (10) for each button cell, which encloses the button cells. The individual compartments (10) are each formed from a separate deep-drawn plastic cover (11) and a rear plastic film (12) attached thereto. The individual compartments (10) are designed such that they cannot be opened without tools. Furthermore, the packaging unit comprises a carrier (20) on which the individual compartments (10) are mounted, the individual compartments being spaced apart from one another on the carrier. The invention also includes a method for manufacturing such a packaging unit.