Container Opening Device with Cutting Mechanism for Sealing Element
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Solution Overview
Problem
Existing container opening systems require multiple operations to remove sealing elements, often leading to difficulties and accidents, especially with thicker sealing elements that are designed to prevent tampering but increase manufacturing costs and user frustration.
Innovation Solution
An automatic opening device for containers with a modified pouring spout that allows for a single operation to tear the sealing element, eliminating the need for thicker sealing elements and reducing the risk of accidents by integrating a cutting mechanism that can be activated with a clockwise rotary movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If sealing elements are made thicker to prevent tampering and improve security, then reliability is improved, but ease of operation deteriorates as users find it difficult to remove the sealing element
Solution Approach 1:
The sealing element is divided into two functional parts: a thick barrier layer for tamper prevention and a thin frangible layer for easy removal. The frangible layer is designed to break away during opening operations, allowing users to easily remove the sealing element while the barrier layer maintains its protective function during storage and transport.
Solution Approach 2:
The sealing element uses materials with different mechanical properties in different layers. The barrier layer uses thick, resistant materials for security, while the frangible layer uses thin, brittle materials that break easily during opening. This parameter differentiation allows the sealing element to provide both security and ease of opening.
2Reliability
If sealing elements are made thicker to serve as tamper evidence, then reliability is improved, but manufacturing cost increases due to use of thicker materials
Solution Approach 1:
The sealing element is segmented into a thin frangible layer and a separate barrier layer. The frangible layer provides tamper evidence functionality at minimal cost, while the barrier layer provides product protection. This segmentation allows manufacturers to use thinner, cheaper materials for the tamper evidence function while maintaining product security.
Solution Approach 2:
The frangible layer is designed as a disposable component that breaks during opening and is discarded. This thin, cheap layer provides the tamper evidence function without requiring expensive thick materials, reducing manufacturing costs while maintaining reliability.
3Reliability
If multiple operations are required to remove the sealing element, then reliability of sealing is improved, but productivity deteriorates due to time-consuming opening process
Solution Approach 1:
The frangible layer is pre-positioned between the cap and the sealing element. During opening operations, this pre-positioned layer automatically breaks under cap rotation, initiating the sealing element removal process without requiring additional user actions. This preliminary arrangement enables single-operation opening while maintaining sealing integrity.
Solution Approach 2:
The opening process is designed so that cap rotation simultaneously performs multiple functions: breaking the frangible layer, loosening the sealing element, and initiating product flow. This continuous action eliminates intermediate steps and enables rapid opening while maintaining sealing reliability.
4Reliability
If multiple operations are required to open the container, then reliability of sealing is improved, but device complexity increases due to multiple steps
Solution Approach 1:
Multiple opening functions are merged into a single cap rotation operation. The frangible layer breaking, sealing element loosening, and cap opening actions are combined into one continuous motion, simplifying the user interface while maintaining sealing protection through the frangible layer's predetermined break design.
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
Facilitates easy and safe opening of containers by allowing a single operation to remove the sealing element, reducing user effort and the risk of accidents, while also simplifying the manufacturing process by not requiring excessively thick sealing elements.
Implementation Method 1
a cutting device (3) provided in the base element (1b), said cutting device (3) comprising a hollow protruding body whose upper portion is connected to the lower portion of the top element (10) of the base element (1b), in the region where it is located the throughout orifice (2a), said lower portion being provided with a plurality of cutting elements (3a)
Data Source
Figure 1A~4A
Figure 4B~6D
Figure 7~9D
AI summary
The present invention refers to an automatic opening device for a container provided with a spout having a rim with a sealing element firmly attached thereto, said automatic opening device for a container being provided with 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.