Magnetic Closure System for Compact Packaging Device
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Solution Overview
Problem
Existing magnetic closure systems for packaging devices are bulky and unattractive due to the need for a pump cover with a shoulder to house the magnetic means, limiting the cap's size and form options, making them costly and difficult to produce.
Innovation Solution
A magnetic closure system where the second magnetic means is positioned around the upper portion of the expulsion device, above the shoulder, allowing the cap to be smaller and more versatile in design, eliminating the need for a pump cover shoulder and enabling efficient closure without increasing the cap's size.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a pump cover with a shoulder is used to house the second magnetic means, then the magnetic closure system can be implemented, but the device becomes bulky and unattractive
Solution Approach 1:
The invention extracts the second magnetic means from the pump cover structure and relocates it to the receptacle body. This eliminates the need for the pump cover shoulder, thereby removing the bulky addition while preserving the magnetic closure functionality. The magnetic means is now integrated directly into the receptacle, achieving a cleaner, more compact design.
Solution Approach 2:
The invention merges the function of housing the second magnetic means with the receptacle body itself, rather than requiring a separate pump cover structure. By integrating the magnetic means into the receptacle, the design combines multiple functions into a single component, eliminating unnecessary structural elements and achieving a more streamlined appearance.
2Reliability
If the cap is designed to contact the pump cover shoulder and house the first magnetic means, then magnetic closure is achieved, but the cap becomes voluminous and its form is limited
Solution Approach 1:
The invention extracts the requirement for the cap to contact the pump cover shoulder by removing the shoulder structure itself. The cap now directly contacts the receptacle body, eliminating the intermediate structure. This freedom from the shoulder constraint allows for greater versatility in cap design and form factors while maintaining magnetic closure functionality.
Solution Approach 2:
Instead of the cap needing to reach down to contact a shoulder on the pump cover, the invention inverts the arrangement by placing the magnetic means on the receptacle body itself. This allows the cap to be smaller and more versatile in shape, as it no longer needs to accommodate the shoulder structure in its design.
3Reliability
If the shoulder of the pump cover is added to house the second magnetic means, then the magnetic closure system works, but the device becomes more complex and costly to produce
Solution Approach 1:
The invention extracts and eliminates the unnecessary pump cover shoulder component. By relocating the second magnetic means to the receptacle body, the design removes an entire structural element (the shoulder) that added complexity and manufacturing cost, while preserving the essential magnetic closure functionality.
Solution Approach 2:
The receptacle body is given the additional function of housing the second magnetic means, making it a multi-functional component. This eliminates the need for the dedicated pump cover shoulder structure, reducing the total number of components and simplifying manufacturing processes while maintaining closure reliability.
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
This design reduces the cap's size, optimizes manufacturing, and provides a more attractive and cost-effective packaging solution while maintaining efficient closure and protection of the dispensing system.
Implementation Method 1
a magnetic closure system comprising a first magnetic means borne by the cap and a second magnetic means borne by the principle body, such that the first magnetic means and the second magnetic means are positioned by magnetic cohesion relative to one another in the stable closed position of the cap, the cap in the stable closed position being retained on the principle body by the magnetic closure system
Data Source
AI summary
A packaging device has a principle body with a receptacle having interior space and a neck and orifice, and an expulsion device fixed to the neck, the expulsion device having an upper portion and a lower portion of the expulsion device, the upper and lower portions being separated from one another by a shoulder, the shoulder bearing on the end of the neck, a cap designed to be positioned above the receptacle in a stable closed position, the cap having a housing for receiving an end of the upper portion, and a magnetic closure system having a first magnetic device borne by the cap and a second magnetic device borne by the principle body, the second magnetic device is located around the upper portion and above the shoulder, and, in the stable closed position, the first magnetic device is located around the upper portion and above the second magnetic device.