Multi-purpose Cap and Drying Stand for Reusable Bottles
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Solution Overview
Problem
Reusable beverage bottles are inconvenient to dry and store due to the need for separate cap and bottle handling, leading to ventilation issues and potential cap loss, which can result in mildew and contamination.
Innovation Solution
A multi-purpose container cap and stand that provides a closure and supports the bottle in an inverted position for draining and drying, maintaining an air-tight seal and allowing air circulation, while also serving as a cap to prevent loss during storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the bottle is balanced on its mouth upon a flat surface for drying, then the bottle can be supported, but all ventilation is blocked and drying efficiency is reduced
Solution Approach 1:
The cap is designed to support the bottle in an inverted position rather than balancing it on its mouth. The support surface is positioned at the bottom of the cap, allowing the bottle to hang upside down with the opening facing upward, which enables air circulation through the bottle interior while maintaining stable support.
2Reliability
If the cap is separated from the bottle during drying or storage, then the bottle can be dried properly, but the cap is often misplaced and lost
Solution Approach 1:
The cap is integrated with a support structure that combines the functions of a cap and a bottle stand. The support structure includes a support surface that contacts the bottle bottom and a closure portion that seals the bottle opening, merging two separate components into one unified device that prevents cap loss while enabling proper drying.
Solution Approach 2:
The cap structure serves multiple functions simultaneously: it acts as a closure to seal the bottle opening, provides a support surface to hold the bottle in an inverted position for drying, and functions as a stand for storage. This multi-functionality eliminates the need for separate cap and stand components.
3Loss of substance
If the cap is placed on a still-moist bottle to prevent loss, then the cap is secured, but closing prior to drying can cause mildew and contamination
Solution Approach 1:
The support structure is designed to hold the bottle in an inverted position with the opening facing upward before closing. This preliminary positioning allows air circulation to continue through the bottle interior even after the closure portion is engaged, preventing moisture accumulation and mildew growth while maintaining cap security.
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
Enables efficient drying and storage of reusable bottles by maintaining an air-tight seal and preventing cap loss, reducing the risk of mildew and contamination, thus extending the bottle's usability and environmental sustainability.
Implementation Method 1
The second portion of the cap includes a supporting structure that supports the container in a position that promotes draining and drying
Implementation Method 2
all ventilation is blocked when a bottle is merely balanced on its mouth upon a flat surface such as a counter, table or shelf
Data Source
AI summary
A cap for a container has two portions. The first portion attaches to and closes the mouth of the container. The second portion attaches to the mouth of the container to support the container in a mouth-down position that promotes draining and enables evaporation within the interior space of the container.


