Dual Spout Bottle Cap for Controlled Liquid Pouring
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Solution Overview
Problem
Existing containers with a single large spout and pouring hole struggle to control the pouring of liquids, especially when pouring small amounts, leading to spills and hazards, particularly in larger containers, and are unsuitable for pouring powders or granular solids.
Innovation Solution
A container design featuring two spouts and corresponding pouring holes of different sizes, where a larger spout and hole are used for moderate amounts and a smaller spout and hole for small amounts, with the unused hole acting as an air inlet to prevent vacuum buildup, ensuring controlled pouring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a single large spout and pouring hole are used, then the container can pour large amounts of liquid quickly, but the liquid pouring cannot be controlled and spilling occurs
Solution Approach 1:
The single large pouring hole is segmented into two separate holes of different sizes (first pouring hole and second pouring hole). This allows the user to select the appropriate hole size based on the desired pouring amount, achieving both fast pouring (first hole) and controlled pouring (second hole) without spilling.
Solution Approach 2:
Different regions of the cap are assigned different functions: the first pouring hole (larger) is optimized for high-volume pouring, while the second pouring hole (smaller) is optimized for controlled, low-volume pouring. Each hole has its own spout with dimensions matched to its function.
2Device complexity
If a single large spout and pouring hole are used, then the container structure is simple, but pouring small amounts of liquid is impossible without spilling
Solution Approach 1:
The cap is segmented to include two distinct pouring holes with different dimensions. The first pouring hole (larger) handles bulk pouring, while the second pouring hole (smaller) enables precise control for small amounts. This segmentation adds minimal complexity while solving the precise pouring problem.
Solution Approach 2:
The pouring hole diameter parameter is varied to create two distinct openings. The first pouring hole has a larger diameter for high-volume flow, while the second pouring hole has a smaller diameter for controlled, low-volume flow. This parameter variation enables the cap to handle both large and small pouring quantities effectively.
3Ease of manufacture
If a single large pouring hole is used, then the container can be manufactured simply, but vacuum build-up prevents smooth pouring
Solution Approach 1:
The first pouring hole serves dual functions: it acts as a pouring opening when in use, and serves as an air inlet hole when the second pouring hole is being used. This multi-functionality prevents vacuum build-up during small-volume pouring through the second hole, ensuring smooth flow without requiring a separate air inlet.
Solution Approach 2:
The first pouring hole acts as an intermediary air inlet when the second pouring hole is in use. Air flows through the first hole to equalize pressure inside the container, preventing vacuum formation that would otherwise disrupt smooth pouring through the smaller second hole.
4Ease of manufacture
If no spout is provided, then the container manufacturing is simplest, but pouring control is completely lost leading to spills and hazards
Solution Approach 1:
Instead of a single large spout, the cap incorporates two pouring holes of different sizes, each with its own spout. This segmentation allows users to select the appropriate hole size for the pouring task, enabling both bulk pouring and precise control for small amounts, thereby preventing spills and associated hazards.
Solution Approach 2:
The cap design assigns different local qualities to different regions: the first pouring hole and spout are optimized for high-volume pouring with minimal control needed, while the second pouring hole and spout are optimized for precise control and small-volume pouring, eliminating the spilling hazard present in single-hole designs.
Data Source
AI summary
The first embodiment of the current invention discloses a container/bottle (1) with a large spout (4) and a small spout (5) for pouring a liquid, powder or granular solid with minimal spilling or dripping. The second embodiment discloses a cap (9) with two spouts, and the third embodiment discloses an insertable spout unit (10) with two spouts.