Rotary Tool for Automated Screw-Top Container Decapping
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Solution Overview
Problem
Existing systems for removing caps from containers stored in trays are cumbersome, error-prone, and require complex processes, especially when transporting containers for further processing or storage, as they typically necessitate cap removal from above and subsequent reattachment.
Innovation Solution
A system comprising a tray with apertures that suspend container bodies and a rotary tool with protrusions that engage with the container surface, allowing for cap removal by rotating the tool counterclockwise to detach the container body from its cap, which can then be transported and reattached using a container holder with screw threads.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If existing cap removal systems are used, then caps can be removed from containers, but the process becomes cumbersome and error-prone due to multiple steps including cap removal from above, container transport, and reattachment
Solution Approach 1:
The patent inverts the traditional cap removal approach by accessing containers from below the tray rather than from above. The rotary tool engages with the container body underneath the tray and rotates it to unscrew the cap, which remains seated in the tray aperture. This inversion eliminates the need for complex cap-grabbing mechanisms and multi-step processes, simplifying both operation and device structure.
Solution Approach 2:
The patent extracts the container body from the tray aperture by rotating it unscrewed from the cap, while the cap remains in place. This allows the container body to be removed and transported separately for processing, eliminating the need to move the entire capped container assembly and reducing operational complexity.
2Adaptability or versatility
If containers are accessed by removing caps from above, then contents can be accessed, but additional cap-grabbing mechanisms and structural components are required
Solution Approach 1:
Instead of reaching down through the tray to grab caps from above, the system inverts the approach by engaging container bodies from below and rotating them to unscrew caps. This eliminates the need for complex cap-grabbing mechanisms and reduces structural components while maintaining full container access capability.
Solution Approach 2:
The container body itself serves as the gripping element when engaged by the rotary tool. The splines or engagement features on the container body provide the necessary grip without requiring separate cap-grabbing mechanisms, allowing the system to access containers using the containers' own structural features.
3Reliability
If multiple steps are used for cap removal and container transport, then containers can be accessed and transported, but the likelihood of error increases due to process complexity
Solution Approach 1:
The patent merges the cap removal and container transport functions into a single integrated operation. By engaging the container body from below and rotating it unscrewed, the system simultaneously removes the cap and prepares the container for transport in one continuous motion, reducing the number of discrete steps and minimizing opportunities for error while maintaining processing efficiency.
Solution Approach 2:
The rotary tool is positioned and engaged with the container body before rotation begins, ensuring proper alignment and grip. This preliminary positioning action prevents errors during the unscrewing process and ensures smooth, error-free operation throughout the container access and transport sequence.
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 solution simplifies the decapping and transport process by reducing the number of structural components and steps required, minimizing the risk of error and contamination, and allowing for efficient access to container contents without the need for additional cap-grabbing mechanisms.
Implementation Method 1
If the cap is attached via a screw thread, it must be spun to be removed
Data Source
AI summary
The present invention relates to a system for access and retrieval of screw-top containers. In one embodiment, the system includes a tray with a plurality of apertures, the tray adapted to receive containers having a cap and a body such that each cap of each container pressed into the tray rests above a respective aperture in the tray and each body is suspended below the tray. The system also includes a rotary tool having a cavity extending from an opening at one end, the cavity defined by an interior surface that includes engagement features. The engagement features on the interior surface of the rotary tool are adapted to engage onto at least a portion of the body of the container surface defined by complementary engagement features when the rotary tool is inserted over the body of the container from below the tray.