Single serving brewing material holder
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Solution Overview
Problem
Coffee brewing with loose ground coffee results in incomplete flavor extraction due to water passing through loosely packed grounds, and existing pod systems fail to securely hold pods and ensure proper water penetration.
Innovation Solution
A filter paper cup with pleated walls and a rim, designed to be used in a pod holder, which is sealed by a lid to retain brewing material and facilitate water injection, using a tamping mechanism to compact the coffee and ensure full flavor extraction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If loose ground coffee is used in a coffee filter, then the brewing process is simple and quick, but water passes through freely and flavor extraction is incomplete
Solution Approach 1:
The coffee grounds are pre-packaged in a pod with a filter structure before use. This preliminary preparation ensures that when the pod is inserted into the holder, the coffee is already positioned and contained properly, allowing for both quick brewing and complete flavor extraction without manual tamping or filtering steps
2Reliability
If a filter paper cup with pleated walls and rim is used, then brewing material is securely retained and water penetration is facilitated, but the device structure becomes more complex
Solution Approach 1:
The filter paper cup utilizes the natural flexibility and formability of filter paper to create pleated walls and a rim structure. These features are formed directly from the flexible paper material itself, rather than requiring separate rigid components. The pleated design provides structural retention features while the flexible nature of the paper keeps the overall device simple and integrated
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 solution ensures complete flavor extraction by securely holding the brewing material and allowing for efficient water penetration, resulting in a richer coffee flavor and improved brewing process.
Implementation Method 1
a spring residing in the pod holder and configured to tamp the brewing material in the receptacle
Implementation Method 2
a heat seal filter paper is used and the pleats in the walls and rim are adhered by the heat to retain the shape
Data Source
AI summary
A filter paper cup for making a beverage pod. The filter paper cup includes a base (or receptacle) and may include a cover. The filter paper cup is formed by forming pleats in walls and a rim around the tops of the wall. Preferably, a heat seal filter paper is used and the pleats in the walls and rim are adhered by the heat to retain the shape. The base in inserted into a pod holder and brewing material is placed into the base. A cover may be positioned over the rim, and a lid is attached to the pod holder to sandwich the cover and rim to seal the pod. The cover, if present, is held taut by the lid of the pod holder to facilitate penetration of the cover by a needle to inject water into the pod.