Automatic Container Opening With Single-Step Tearable Spout Seals
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Solution Overview
Problem
Existing container sealing elements are difficult to remove, often requiring multiple steps and can cause accidents or product contamination, especially when users attempt to cut or tear them, and they increase manufacturing costs due to unnecessary thickness for resistance.
Innovation Solution
A system with an automatic opening device and modified pouring spout that allows for the sealing element to be torn or punctured in a single step, eliminating the need for multiple operations and reducing the need for thicker sealing elements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If sealing elements are made with thicker layers to increase resistance and prevent accidental damage, then reliability is improved, but manufacturing cost increases and ease of operation deteriorates
Solution Approach 1:
The sealing element is divided into two functional layers: a thin barrier layer (alumium foil or plastic film) for protection and a thick tearable layer (adhesive material) for easy removal. This segmentation allows each layer to optimize its specific function without compromising the other.
Solution Approach 2:
The sealing element changes its mechanical properties during use: the adhesive layer is designed to be resistant during normal handling but becomes easily tearable when force is applied at the designated rupture point, transforming from a protective state to an accessible state.
2Reliability
If sealing elements are made with thicker layers to prevent accidental damage, then reliability is improved, but manufacturing cost increases
Solution Approach 1:
The sealing element is divided into two functional layers: a thin barrier layer (alumium foil or plastic film) for protection and a thick tearable layer (adhesive material) for easy removal. This segmentation allows each layer to optimize its specific function without compromising the other.
Solution Approach 2:
The sealing element combines two different materials with complementary properties: a thin metallic or plastic barrier layer for protection and a thick adhesive layer for easy tearing. This composite structure achieves both reliability and ease of operation while minimizing material costs.
3Ease of operation
If users manually remove sealing elements by cutting or tearing, then ease of operation should be improved, but object-generated harmful factors increase due to accidents and product contamination
Solution Approach 1:
The sealing element is pre-designed with a rupture point and tearable layer that automatically facilitates removal. The user simply needs to apply minimal force at the designated point, and the sealing element will tear cleanly without requiring cutting tools or manual tearing actions that could cause accidents.
Solution Approach 2:
The tearable adhesive layer acts as an intermediary between the barrier layer and the user's action. It provides a controlled failure point that directs the user's force in a safe manner, preventing accidental cuts or contamination while still allowing easy removal.
Data Source
AI summary
The present invention refers to a system for automatic opening device for a container provided with a spout having a rim with a sealing element firmly attached thereto, said system comprising an automatic opening device for a container and a threaded spout that provide means that obviate the need to unscrew the cap of the container and next remove the sealing element from the rim of the spout in order to enable pouring of the product stored in the container.