Replenishable Dispenser Segmentation for Waste Reduction
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Solution Overview
Problem
Conventional liquid product dispensers are disposable, leading to waste and environmental issues due to the need for frequent replacement, resulting in increased plastic waste and carbon footprint.
Innovation Solution
A replenishable dispenser design where the canister is detachable and refillable, allowing users to replace or refill it as needed, reducing waste and manufacturing costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If disposable cartridges are used with fixed canisters, then the dispensing function is simple and reliable, but the dispenser cannot be reused and leads to plastic waste accumulation
Solution Approach 1:
The dispenser is divided into two separable parts: a reusable dispenser body and a disposable cartridge. The cartridge can be detached and replaced when exhausted, while the dispenser body remains for continued use. This segmentation allows the permanent portion (dispenser body) to be reused multiple times, reducing plastic waste while maintaining reliable dispensing function through standardized cartridge replacements.
2Reliability
If new dispensers are purchased each time liquid product is exhausted, then the dispensing function is maintained, but manufacturing costs and plastic waste increase
Solution Approach 1:
The system separates the expensive dispenser body (permanent component) from the cheaper cartridge (disposable component). Users only need to purchase and replace the inexpensive cartridge when exhausted, rather than buying an entire new dispenser. This significantly reduces manufacturing costs for users while maintaining the reliability of the dispensing function through the reusable body.
3Device complexity
If disposable cartridges are used, then the dispenser structure is simple, but environmental degradation and carbon footprint increase
Solution Approach 1:
By segmenting the dispenser into reusable and disposable parts, the system maintains simple structure for the permanent dispenser body while minimizing environmental harm through reduced waste. The reusable body eliminates the need to discard the main structure, and only the smaller cartridge is disposed of, significantly reducing overall plastic waste and carbon footprint compared to complete disposable units.
4Reliability
If complete dispensers are disposed of after use, then the dispensing function is satisfied, but liquid product wastage occurs
Solution Approach 1:
The separation of dispenser body and cartridge allows users to replace only the empty cartridge while retaining the functional dispenser body. This prevents the wastage that occurs when complete dispensers are thrown away, as the reusable body can continue to function with new cartridges. The system enables complete utilization of the liquid product capacity without losing the dispensing mechanism.
Data Source
AI summary
A replenishable dispenser for dispensing a liquid product. The replenishable dispenser comprises a housing, a canister for storing the liquid product, a triggering unit, an application member and a suction assembly for dispensing the liquid product from the canister to the application member upon being actuated by the triggering unit. The canister is detachably connected to the housing to replace the canister upon being exhausted with a new canister to replenish the dispenser. The dispenser further includes an applicator tip detachably connected to a holding unit of the application member.