Coffee Capsule Recycler with Hinged Piston for Waste Separation
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Solution Overview
Problem
Coffee capsules from single-dose coffee makers are not easily recyclable due to their inseparable design, leading to environmental challenges and costly recycling programs, as they are not considered containers under waste laws and cannot be recycled with traditional materials.
Innovation Solution
A coffee capsule recycler featuring a hinged piston mechanism that separates used coffee from the capsule, utilizing a first arm with a perforated capsule container and a second arm with a hinged piston, allowing for the expulsion of coffee contents while enabling the recycling of the capsule.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If coffee capsules are designed as single-dose containers, then convenience and cleanliness of use are improved, but recyclability deteriorates because the capsule and coffee are inseparable
Solution Approach 1:
The device segments the capsule system into separable components: the capsule container, the piston mechanism, and the coffee contents. By applying mechanical force through the hinged piston, the coffee is separated from the capsule shell, transforming an inseparable unit into separable parts that can be recycled independently.
Solution Approach 2:
The invention enables recovery of the capsule container after use by separating it from the coffee contents. The hinged piston mechanism allows the coffee to be expelled while the capsule shell remains intact and reusable, implementing a discard-and-recover model that improves recyclability without sacrificing single-dose convenience.
2Device complexity
If traditional recycling methods are used for coffee capsules, then recycling infrastructure is simplified, but recycling effectiveness deteriorates because capsules cannot be processed with standard container recycling
Solution Approach 1:
The device extracts the coffee contents from the capsule container through mechanical compression by the hinged piston. This extraction separates the recyclable capsule shell from the non-recyclable coffee grounds, allowing the capsule to enter standard recycling streams while the coffee is disposed of separately.
3Ease of manufacture
If specialized recycling programs are established for coffee capsules, then recyclability is improved, but cost increases due to separate collection and processing systems
Solution Approach 1:
The device enables self-service recycling by providing a simple hinged piston mechanism that consumers can operate at home. The capsule is placed in the device, the hinged piston is activated to expel the coffee, and the empty capsule is ready for recycling. This eliminates the need for expensive specialized collection and processing infrastructure.
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
Facilitates the recycling of coffee capsules by effectively separating the used coffee from the container, addressing environmental concerns and reducing recycling costs through a simple and cost-effective mechanism.
Implementation Method 1
a hinged piston pressed against a container that houses the coffee capsule
Implementation Method 2
The design of the second arm means that it can function as a second class lever, as the power is exerted from the free end of the second arm, the fulcrum being the hinge union to the hinged cylinder, and the resistance is that offered by the coffee capsule transmitted by the hinged piston
Data Source
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AI summary
Coffee capsule recycler that allows separating the used coffee from the capsule itself. The recycler comprises a first arm provided at its end with a perforated capsule container having an inner annular lip, where in said cylinder the end diametrically opposite the union with the first arm is provided with a hinged union to a second arm that is provided with a piston connected by a hinged union at the bottom third thereof to said second arm, such that it can be housed in the inner space of the perforated cylinder.