Multi-Side Pouring Closure with Air Duct for Spout
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Solution Overview
Problem
Conventional pouring closures for canisters allow only single-point pouring, leading to irregular flow, spills, and difficulties in maintaining controlled pouring due to uneven air flow and weight challenges, especially when tilting the canister.
Innovation Solution
A pouring closure with a double-walled pipe structure that extends around at least 90° of the circumference, incorporating an air duct that opens on both sides of the pouring window, ensuring consistent air flow and pressure equalization for controlled multi-sided pouring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional single-point pouring closure is used, then the structure is simple, but the pouring flow becomes irregular and spills occur
Solution Approach 1:
The pouring closure is segmented into multiple independent pouring openings distributed around the circumference of the pipe, rather than a single pouring point. This segmentation allows the liquid flow to be controlled from multiple locations, preventing irregular flow patterns and spills while maintaining reliable pouring control.
Solution Approach 2:
The invention transitions from a single-point (0D/1D) pouring closure to a multi-point circumferential pouring system (2D/3D). By distributing pouring openings around the circumference of the pipe, the system adds spatial dimensionality to the pouring control, enabling consistent flow regulation regardless of canister tilt angle.
2Productivity
If the canister is tilted for pouring, then the liquid can flow out, but air flow becomes uneven and causes surges
Solution Approach 1:
The air inlet opening is segmented into multiple smaller openings distributed around the circumference of the pipe, matching the distribution of pouring openings. This segmentation ensures that air can enter uniformly from multiple locations, maintaining consistent pressure balance and preventing surges during pouring regardless of canister tilt.
Solution Approach 2:
Different regions of the pipe are assigned different functions: the front half circumference contains pouring openings for liquid discharge, while the rear half circumference contains air inlet openings for ventilation. This local quality differentiation ensures optimal air flow distribution and pressure equalization throughout the pouring process.
3Length of moving object
If the pouring spout is positioned close to the filler neck, then the pouring distance is reduced, but the pouring angle is limited
Solution Approach 1:
The circumferential distribution of pouring openings makes the closure system universal and adaptable to multiple pouring directions. Rather than being limited to a single pouring angle, the system can pour from any of the multiple circumferential positions, enabling the canister to be positioned closer to the filler neck while maintaining versatile pouring capability.
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 controlled pouring over a wide range of the circumference, preventing surges and spills by maintaining consistent air flow and pressure, allowing for smooth, uniform liquid discharge without dripping.
Implementation Method 1
ensuring a steady flow of air into the canister or container, with the volume of liquid outflowing the amount of air inflowing to equalize and maintain internal pressure
Data Source
Figure 1~2
Figure 3~4
Figure 5~7
AI summary
This pouring closure permits controlled multi-side pouring by means of a canister spout. The pouring closure consists of a spout attachment (2), which forms a channel (14), which is reduced in size with respect to the spout and an upper outer edge of which forms a protruding drop lip (11). A closure cover (1), which acts as a jet former, forms a pipe (4), which extends downward and which fits into a channel (14) on the spout attachment (2) in a sealing manner. The pipe (4) extending downward has a lateral window (5), which extends at least around 90° of the pipe circumference. The remaining pipe circumference is doubled-walled. The interior thus formed leads toward the outside in the axial direction at the lower end of the pipe (4) as an air channel (7), and the air channel (7) likewise leads toward the outside only in the upper region of the window (5) laterally on both sides of the window. Thus, pouring can occur over each point of the drop lip (11) with a jet that always remains constant and with sufficient pressure equalization in the canister during the entire pouring process.