Metering Cap with Cavity for Precise Liquid Dispensing
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Solution Overview
Problem
Current liquid containers lack integrated measuring systems, leading to inconsistent liquid dispensing and increased production costs, making it difficult to achieve precise measurements during use in industries such as dietetics, pharmacy, and manufacturing.
Innovation Solution
A container design featuring a vertical tube with an adjacent semi-cylindrical bulge and a domed dispenser cap forms an air-tight, floodable chamber that allows for uniform liquid measurement and dispensing, eliminating the need for external measuring devices and simplifying the dispensing process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If external measuring devices or independent containers are used to measure liquid, then measurement precision is improved, but device complexity and ease of operation deteriorate
Solution Approach 1:
The patent combines the measuring function directly into the container structure by creating an integrated chamber formed by the container's upper zone and the dispenser cap's lower cavity. This merging eliminates the need for separate external measuring devices while providing precise measurement through the calibrated chamber volume.
Solution Approach 2:
The container structure serves multiple functions: it contains the liquid, measures the liquid volume through its integrated chamber, and dispenses the liquid. The same structural elements (container walls, cap, and internal chamber) perform containment, measurement, and dispensing functions simultaneously.
2Measurement precision
If external measuring devices are used, then measurement precision is improved, but ease of operation deteriorates
Solution Approach 1:
By merging the measuring chamber into the container structure itself, the user operates a single integrated device rather than coordinating multiple separate tools. The chamber is automatically filled to the correct level during the normal dispensing operation, eliminating the need for separate measuring actions.
Solution Approach 2:
The measuring chamber automatically receives and contains the liquid to be measured through the container's own structure. The system performs the measurement function automatically as part of the dispensing process, without requiring the user to manually operate separate measuring instruments.
3Measurement precision
If integrated measuring chamber is added to container, then measurement precision is improved, but manufacturing cost increases
Solution Approach 1:
The measuring chamber is formed by combining existing container structural elements (the container's upper zone and the cap's lower cavity) rather than adding a completely separate component. This integration allows the chamber to be manufactured as part of the normal container molding process, avoiding additional manufacturing steps and costs.
Solution Approach 2:
The same structural elements that form the container body and cap also create the measuring chamber. The container walls and cap structure serve dual purposes: providing mechanical containment and defining the measurement volume, thereby eliminating the need for separate measuring component manufacturing.
4Measurement precision
If integrated measuring chamber is added to container, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The measuring chamber is created by merging the container's internal space with the cap's internal cavity, forming a single continuous chamber. This integration reduces structural complexity by eliminating the need for separate measuring components, seals, and connection mechanisms that would be required if the chamber were a distinct add-on device.
Data Source
AI summary
A container (6) and a metering cap (3) are designed to be fitted together and include a cap (3) defined as a concave component with a curved top and a sloping cylindrical neck on the side thereof, with a mouth (1) that can be closed by a stopper (T), the lower distal end (1a) of the neck extending into the concave cavity defined by the cap (3), wherein this extension does not project beyond the bottom plane defined by the lower peripheral edge (9) of the cap (3); and wherein the container (6) comprises a hemispherical protrusion (2) which corresponds to a cavity (Oi) located on one side of the top of the container (6).