Cap Assembly with Dual-Thread Base for Multi-Size Bottles
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Solution Overview
Problem
Bottles with viscous liquid products often waste a significant portion of the contents due to pump dispensers that fail to reach the bottom, and existing inversion caps are limited in size compatibility and prone to leakage, making it difficult to extract the last third of the product efficiently.
Innovation Solution
A cap assembly with a two-section internally threaded base that accommodates two different size bottle necks, including dual diameter adapters for additional sizes, and a lid that securely seals and opens to allow complete dispensing of contents without leakage, with storage compartments for adapters to prevent loss.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a pump dispenser is used in a bottle, then the product can be dispensed, but the last third of the product cannot be accessed and is wasted
Solution Approach 1:
The invention inverts the traditional pump dispenser configuration by removing the pump mechanism and using gravity-driven flow through an inverted cap assembly. The bottle is turned upside down, allowing the product to flow downward through the cap assembly's internal channels to the dispensing opening, enabling complete access to all product including the last third that would otherwise remain inaccessible.
Solution Approach 2:
The invention extracts and removes the pump dispenser mechanism from the bottle system entirely, replacing it with a simple gravity-based cap assembly. This extraction eliminates the barrier that prevented complete product access and allows the entire contents of the bottle to be dispensed through the cap's internal flow paths.
2Loss of substance
If the bottle is inverted to access the last third of product, then complete product access is achieved, but the cap is too small to keep the bottle inverted and it topples over
Solution Approach 1:
The invention merges the cap assembly with a enlarged base structure that provides stability for inverted bottle positioning. The cap assembly is combined with a broad base that can support the bottle weight when inverted, preventing toppling while maintaining the inverted configuration necessary for complete product access.
Solution Approach 2:
The invention transitions from a small cap structure to a cap assembly with an enlarged base, adding dimensional bulk in the horizontal plane. This dimensional expansion provides the necessary stability footprint to support inverted bottle positioning without causing the bottle to topple over.
3Device complexity
If inversion caps are designed to fit only one size threaded bottle neck at a time, then the cap structure is simple, but multiple adapters and gaskets are required to accommodate different sizes
Solution Approach 1:
The invention creates a universal cap assembly base structure that can accommodate multiple bottle neck sizes through integrated adapters. The base design incorporates multiple receiving sections that can accept different sized bottle necks, eliminating the need for separate caps for each size and reducing the complexity of managing multiple adapters and gaskets.
Solution Approach 2:
The invention uses nested adapter structures where smaller adapters fit within the base opening, and larger adapters extend to accommodate different bottle neck sizes. This nesting arrangement allows multiple size configurations to be integrated within a single cap assembly structure, maintaining simplicity while achieving versatility.
4Adaptability or versatility
If multiple adapters are provided for different bottle sizes, then bottle neck compatibility is improved, but the adapters may be lost and rendering the inversion cap useless
Solution Approach 1:
The invention merges the adapters with the cap assembly base structure, integrating them so that the adapters are permanently attached to or stored within the base. This integration eliminates the risk of adapters being lost or misplaced, as they become an integral part of the cap assembly rather than separate removable components.
Solution Approach 2:
The base structure serves as an intermediary that securely holds and retains the adapters in place. The base acts as a mediator between the adapters and the external environment, providing a secure mounting mechanism that prevents adapter loss while maintaining accessibility for different bottle sizes.
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
The cap assembly allows for easy sizing and secure dispensing of multiple bottle sizes, reducing waste and ensuring all contents are used, while minimizing the risk of adapter loss and leakage, accommodating at least six popular bottle neck sizes.
Implementation Method 1
the bottle with the cap assembly is then and turned upside down (inverted) so the cap now becomes a stable base for the bottle to stand upside down on its own, enabling all of the product in the bottle to flow toward the cap assembly through gravity
Data Source
AI summary
A cap assembly for use with multiple bottles having different size necks is provided. The assembly includes a base, at least one adapter and a lid. The base includes a compartment for storing the adapter and an opening having at least two internally threaded sections of different size and a port. The adapter includes an internally threaded opening having at least two sections of different size and an externally threaded surface having at least two sections of different size. The lid is mounted on the base for movement between a position wherein the base opening port is closed and a position wherein the base opening port is open. Additional adapters may be included. The additional adapters are configured to accept bottle necks of different sizes than the base opening and first adapter such that at least six bottles with different size necks can be used with the assembly.