Elliptical Container Opening for Glug-Free Pouring
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Solution Overview
Problem
Existing containers for flowable substances experience glugging and uneven pouring due to airflow interruption when tilted, leading to splashing and spills, as the flow of the substance blocks air inflow, which is not effectively addressed by prior designs.
Innovation Solution
A container with a substantially elliptical opening and a resealable adjustable closure that allows smooth flow of the substance without interrupting airflow when tilted over a range of angles, featuring a concave area and flat panels on the sides, and a handle aligned with the major axis of the opening to enhance pouring control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional container opening is used, then the flowable substance can exit the container, but airflow is interrupted causing glugging and uneven pouring
Solution Approach 1:
The patent divides the single opening into two separate openings: a first opening for liquid discharge and a second opening for air intake. This segmentation allows liquid and air to flow through different paths, preventing the liquid from blocking the air intake path and eliminating glugging, thus ensuring continuous airflow and smooth pouring.
Solution Approach 2:
The patent introduces an intermediary structure (the second opening positioned above the first opening) that facilitates air intake separately from the liquid discharge path. This intermediary air intake path allows air to enter the container continuously without being blocked by the liquid flow, resolving the contradiction between liquid discharge and airflow continuity.
2Productivity
If the container is tilted at greater angles for pouring, then the flow rate increases, but glugging occurs more frequently
Solution Approach 1:
By segmenting the opening into two separate openings (liquid discharge opening and air intake opening), the patent enables the container to be tilted at greater angles without causing glugging. The air intake opening remains unblocked even at steep angles, allowing continuous air flow that maintains smooth liquid discharge and improves pouring speed while retaining control.
Solution Approach 2:
The patent positions the air intake opening in a different spatial dimension (above the liquid discharge opening) rather than alongside it. This vertical arrangement ensures that when the container is tilted, the air intake opening remains accessible to air flow while the liquid discharge opening directs liquid outward, allowing greater tilt angles without glugging.
3Device complexity
If a single opening is used for both air intake and liquid discharge, then the structure is simple, but the pouring performance is poor
Solution Approach 1:
The patent applies segmentation by dividing the single opening into two distinct openings: a first opening for liquid discharge and a second opening for air intake. This simple segmentation significantly improves pouring performance by eliminating glugging, while adding minimal structural complexity.
Solution Approach 2:
The patent applies local quality by giving each opening a specific function: the first opening is optimized for liquid discharge while the second opening is positioned and sized for optimal air intake. This functional differentiation at local levels (each opening's position and dimensions) enhances overall pouring performance without requiring complex global structural changes.
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 container achieves a smooth and controlled flow of the substance over a wider range of tilt angles, reducing glugging and spills by ensuring uninterrupted airflow, thereby improving pouring performance and reducing splashing.
Implementation Method 1
When the closure is in the open position and the container is substantially filled with the flowable substance, the flowable substance can flow through the opening without interrupting airflow through the opening when the container is tilted over a range of tilt angles
Data Source
AI summary
A container for containing a flowable substance includes a container body, a substantially elliptical opening in the container body, and a resealable closure affixed over the opening. The container body defines an internal cavity that is adapted to contain the flowable substance therein. The opening is adapted to allow the flowable substance to flow therethrough. The resealable closure is adjustable between an open position, where the flowable substance can flow through the opening, and a closed position, where the closure obstructs the opening to prevent the flowable substance from flowing through the opening. When the closure is in the open position and the container is substantially filled with the flowable substance, the flowable substance can flow through the opening without interrupting airflow through the opening when the container is tilted over a range of tilt angles of approximately 35 degrees.