Snuff Container Base Side Wall Segmentation for Child Resistance
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Solution Overview
Problem
Existing snuff containers are not child-resistant, posing a risk of accidental access by children, and may be difficult for seniors or those with reduced hand strength to open.
Innovation Solution
A snuff container design featuring a base side wall with a first section and a second section of reduced bending stiffness, requiring two operations to open, including a push on the second section perpendicular to the height direction, which increases safety while allowing easy access for adults and seniors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the base side wall is made with uniform thickness and structure, then the container is easy to manufacture, but it is easy for children to open
Solution Approach 1:
The base side wall is segmented into a first section with greater thickness and a second section with lesser thickness. This segmentation creates different mechanical properties in different regions, making the container child-resistant while maintaining manufacturability through a single molded structure.
Solution Approach 2:
The base side wall exhibits local quality variations where the first section has greater thickness for structural integrity and the second section has lesser thickness for ease of opening by adults. This localized differentiation provides child resistance without requiring complex overall structure.
2Ease of operation
If the base side wall has high bending stiffness, then the container is strong and durable, but it requires excessive force to open for seniors or people with reduced hand strength
Solution Approach 1:
The base side wall is divided into a first section with greater thickness providing high bending stiffness for durability, and a second section with lesser thickness providing low bending stiffness for easy opening. This segmentation allows the container to be both strong and easy to open.
Solution Approach 2:
The thickness parameter of the base side wall is changed between two sections: the first section has greater thickness for strength, while the second section has lesser thickness for ease of operation. This parameter change resolves the contradiction between strength and ease of opening.
3Ease of manufacture
If the base side wall has a single uniform structure, then the manufacturing process is simple and cost-effective, but the opening functionality is not child-resistant
Solution Approach 1:
The base side wall is segmented into two sections with different thicknesses during the molding process. This segmentation can be achieved in a single manufacturing step, maintaining ease of manufacture while providing child-resistant opening functionality.
Solution Approach 2:
The base side wall has local quality differences in thickness between the first and second sections. This local differentiation provides child resistance while being integrated into a single molded structure, keeping the manufacturing process simple and cost-effective.
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 design effectively prevents children from opening the container while allowing seniors and adults to open it easily, providing enhanced safety and cost-efficiency.
Implementation Method 1
the at least one second section presents a reduced bending stiffness in a direction being essentially perpendicular to the height direction of the base side wall
Data Source
AI summary
The present disclosure relates to a snuff container (1) comprising a base (2), wherein said base (2) comprises a bottom wall (21) and a base side wall (22), and wherein the base side wall (22) extends in a height direction (h) of the base (2) and circumferentially encloses a storing compartment (3) for snuff. The base side wall (22) comprises at least one first section (23) extending at least partially in the circumference of the base side wall (22), and the base side wall (22) further comprises at least one second section (24) extending at least partially in the circumference of the base side wall (22) between a first (241) and a second (242) circumferential end portion thereof. Moreover, the at least second section (24) presents a reduced bending stiffness in a direction being essentially perpendicular to the height direction (h) of the base side wall (22) and directed essentially inwardly towards a center of the snuff container (1) in relation to a corresponding bending stiffness of the at least one first section (23).