Rotating Bottle Cap With Selectable Additive Compartments
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Solution Overview
Problem
Existing bottle caps only allow for the addition of a single liquid to a container, limiting user flexibility in customizing beverage compositions, such as mixing half sugar and double caffeine doses, which cannot be achieved with standard caps.
Innovation Solution
A bottle cap design featuring a base and housing with a coaxial cavity for attachment, a biasing mechanism for storage and operative positions, and compartments with frangible seals that can be punctured by spikes to allow selective addition of multiple additives, enabling users to choose and mix various liquids or powders.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a traditional single-compartment bottle cap is used, then the device structure is simple, but the user can only add one type of additive at a time, limiting beverage customization options
Solution Approach 1:
The cap is divided into multiple independent compartments (first, second, third compartments) each containing different additives. This segmentation allows the cap to provide multiple additive types simultaneously, transforming a single-function cap into a multi-functional system that enables beverage customization without requiring multiple separate caps
Solution Approach 2:
The cap structure is designed to perform multiple functions: it can add different types of additives (sugar, caffeine, vitamins, flavorings) to the same beverage container simultaneously. The universal design allows users to customize their beverages by selecting from multiple additive options integrated into one cap unit
2Adaptability or versatility
If multiple compartments with frangible seals are added to the cap, then multiple additives can be selectively added, but the device complexity increases with additional mechanisms
Solution Approach 1:
The frangible seals are pre-installed over the openings of each compartment before use. This preliminary action ensures that the seals are already in position and ready to be broken when the user presses the cap against the bottle, eliminating the need for complex activation mechanisms and simplifying the overall device structure
Solution Approach 2:
The frangible seals automatically break when the cap is pressed against the bottle opening, without requiring additional user actions or complex mechanical mechanisms. The sealing and release functions are self-contained within each compartment, allowing the system to manage multiple additives through simple, independent self-service units
3Reliability
If frangible seals are used to seal compartment openings, then additives remain contained until use, but the sealing mechanism becomes more complex
Solution Approach 1:
The frangible seals are designed as disposable, single-use components that are discarded after one use. This approach prioritizes seal reliability and simplicity over reusability, allowing each compartment to have a simple, effective seal that breaks once and is then discarded, eliminating the need for complex reusable sealing mechanisms
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 users to customize beverage compositions by allowing the selection and addition of multiple additives, such as sugar, caffeine, or vitamins, through a rotating housing mechanism that aligns compartment openings with a puncturable seal, enhancing user choice and flexibility in beverage preparation.
Implementation Method 1
a rubber ring between the bottom of the housing and the top of the base, a coil spring between the housing and base, and a leaf spring between the housing and base
Implementation Method 2
The compartment bottom has an opening that is covered by a frangible seal. As the housing rotates, the compartment openings sequentially align with an aperture in the base. The aperture extends into the cavity. One or more sharp spikes extend upwardly from the aperture to puncture and open the seal.
Data Source
Figure 1
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Figure 4
AI summary
A cap (10) for bottles that allows the user to select one or more additives. A base (14) has an axis (16) with a coaxial cavity (20), typically threaded, for attachment to the bottle. A housing (12) rotates and reciprocates on the axis (16). A mechanism (22) biases the housing from the base (14) on the axis (16) in a storage position. Pushing the housing (12) against the biasing mechanism moves the housing (12) to an operative position. Compartments (32) arranged in a circle around the axis (16) inside the housing (12) hold the additives. An opening (38) in the compartment bottom (44) is covered by a frangible seal (40). As the housing (12) rotates, the compartment openings (38) align with an aperture (50) in the base (14) that extends into the cavity (20). Sharp spikes (52) extending from the aperture (50) puncture the seal (40) when the housing (12) is pushed to the operative position, thereby creating a hole for the additive to flow into the bottle.