Dispensing system
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Solution Overview
Problem
Existing dispensing systems for substances like powders or liquids are difficult to open cleanly, are not universally compatible with various container sizes, prone to inadvertent actuation during shipping, and lack ergonomic actuation features, leading to inefficiencies and increased costs.
Innovation Solution
A dispensing system with a flexible lid and post that creates a dispensing orifice by breaching a frangible bottom end, featuring a radially-outward annular portion and inwardly extending flange for secure attachment, and bottle stop projections for stability, allowing actuation only with a specific user action.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional closure is used on a container, then the container can be sealed to protect contents, but the user cannot easily open it in a clean manner to dispense substances
Solution Approach 1:
The closure is segmented into a body portion and a separate dispensing portion that can be independently actuated. The dispensing portion includes a frangible bottom that can be breached to create an orifice, allowing the substance to be dispensed without opening the main closure body, thus maintaining cleanliness while enabling easy operation.
Solution Approach 2:
The frangible bottom is pre-weakened with a score line or reduced thickness region that allows it to be easily breached when pressure is applied. This preliminary preparation enables clean, controlled opening of the dispensing portion without requiring forceful manipulation that could cause contamination.
2Adaptability or versatility
If a dedicated dispensing package is designed for specific container sizes, then it can fit well, but it cannot be used with a variety of containers having different sized openings
Solution Approach 1:
The closure body is designed with a universal interface that can accommodate multiple container opening sizes. The bottle stop member includes adjustable positioning features and the closure body can be configured to fit different neck diameters, allowing a single closure design to work with various container sizes while maintaining a secure fit.
Solution Approach 2:
The closure includes flexible or adjustable components such as the bottle stop member that can be positioned at different locations on the closure body. This dynamic positioning capability allows the closure to adapt to different container opening sizes while maintaining reliable sealing and fit.
3Ease of manufacture
If the dispensing system is made accessible without protective packaging, then shipping costs are reduced, but the system is prone to inadvertent actuation during shipping or handling
Solution Approach 1:
The actuation mechanism is designed with features that prevent inadvertent activation during shipping and handling. The frustoconical flange and bead engagement create a locked position that requires deliberate user action to disengage. The recessed actuation feature is positioned such that normal handling forces cannot trigger dispensing, while still allowing easy access when intentionally activated by the user.
4Ease of operation
If the actuation feature is made accessible on the exterior, then it is easy to actuate, but it increases the likelihood of inadvertent actuation during shipping
Solution Approach 1:
The actuation feature is recessed into the closure body rather than being fully exposed on the exterior. This localized modification provides ergonomic access for intentional actuation while the recessed position protects against inadvertent activation during normal shipping and handling operations. The recessed feature maintains ease of operation by allowing finger access while reducing exposure to external forces.
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 system provides easy, ergonomic dispensing with reduced risk of inadvertent actuation, universal compatibility with container sizes, and minimized nesting during shipping, while maintaining internal volume and avoiding vapor lock.
Implementation Method 1
The lid includes an axially-inwardly extending frustoconical flange... The flange is flexible and slopes radially inwardly... The bead is positioned to engage the flange
Implementation Method 2
The lid includes a post extending into the hollow interior of the body... Movement of the lid from its first position into its second position causes the post to breach the sealed bottom end of the body to create the dispensing orifice
Implementation Method 3
The lid is flexible and may be pressed by a user to move the lid from its unactuated or as-manufactured first position into its actuated or deflected second position
Data Source
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AI summary
A dispensing system (40) includes a body (54) having an outer wail (64) defining a volume for storing a substance, the outer wall (64) having a top end (86) and a sealed bottom end (70). The top end (66) is covered by a flexible lid (56) that is attached to the body (54). The lid (56) has a press portion (88) for being engaged to move the lid (56) from a first position into a second, deflected position. A post (58) is connected to the lid (56) and is configured in the second position of the lid (56) to breach the sealed bottom end (70) forming a dispensing orifice (80) to accommodate movement of a substance out of the body (54). In one form, the outer wail (64) includes at least one bottle stop projection (218) defining one or more vent channels (219).