Hinged Dual-Compartment Package With Snap-Fit Closure
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Solution Overview
Problem
Existing dual compartment packaging for consumable products like chewing gum lacks a reliable and user-friendly releasable closure mechanism that allows for repeated opening and closing without compromising the package's ability to remain closed under gravitational forces.
Innovation Solution
A package design featuring two product accommodating compartments separated by a hinge, with a releasable closure mechanism such as clips, hook and loop fasteners, magnetic fasteners, pressure sensitive labels, static cling film, or interfitting mechanical devices that align and engage upon folding, allowing for easy opening and closing while maintaining the package in a closed position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a foldable flap closure is used to maintain the package in a closed position, then the package can be repeatedly opened and closed, but the closure mechanism becomes complex and difficult to operate
Solution Approach 1:
The invention extracts the closure function from a complex multi-component flap system and implements it through a simple single-component snap-fit mechanism. The closure member is a standalone element that can be easily attached and detached, eliminating the complexity of folded flaps, slots, and tucking mechanisms while maintaining the ability to repeatedly open and close the package.
Solution Approach 2:
The invention changes the closure mechanism from a mechanical folding system to a snap-fit system that relies on elastic deformation and friction. By changing the closure parameter from geometric interlocking (flaps and slots) to force-based engagement (snap-fit with retaining walls and protrusions), the operation becomes significantly simpler while maintaining reliability.
2Reliability
If a simple foldable flap is used for closure, then the device complexity is reduced, but the package cannot reliably remain closed under gravitational forces
Solution Approach 1:
The snap-fit closure mechanism is self-locking and automatically maintains the package in a closed position under gravitational forces without requiring additional retaining structures. The elastic deformation of the snap-fit member and the friction between mating surfaces create a self-sustaining closed state that reliably prevents the package from opening unless deliberately actuated.
Solution Approach 2:
The invention replaces the mechanical folding and tucking system with a snap-fit mechanism that uses elastic deformation and friction forces. This substitution provides more reliable closure under gravity while actually reducing the number of mechanical components required, as the snap-fit member integrates multiple functions into a single element.
3Reliability
If multiple closure mechanisms are added to improve reliability, then the package remains closed more securely, but the ease of operation decreases
Solution Approach 1:
The invention merges the closure security function with ease of operation by integrating the retaining walls, protrusions, and snap-fit member into a unified mechanism. The single snap-fit member simultaneously provides secure engagement through the retaining walls and easy operation through its flexible, snapable design, eliminating the need for multiple separate closure mechanisms.
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 enables a secure, easy-to-open-and-close package that remains closed under normal conditions, allowing for repeated use and providing consumer convenience with options for noiseless or audible closure, depending on the chosen mechanism.
Implementation Method 1
magnetic fasteners
Implementation Method 2
mating hook and loop fasteners
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
A releasable closure provides for the opening and closing of a package assembly which accommodates a plurality of elongate consumable products. The assembly includes a package housing for supporting the products. The package housing includes a first product accommodating compartment and a second product accommodating compartment separated by a hinge. Each of the product accommodating compartments has an open end adjacent the hinge. The product accommodating compartments are foldable about the hinge in a book-like fashion. The releasable closure is applied to each compartment and positioned to be in aligned facing relationship for mutual engagement upon closably folding the compartments about the hinge.