Beverage Capsule Stiffening Structure for Pressure-Stable Brewing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing beverage preparation systems using exchangeable capsules are prone to damage and deformation due to environmental influences, leading to poor reproducibility of the prepared beverage, as the capsules are often soft and susceptible to fluid pressure.
Innovation Solution
Incorporating additional wall elements, such as stiffening ribs or compartments, into the capsule design to enhance stiffness and control fluid pressure build-up, while using biodegradable filters and piercing means to maintain capsule integrity and improve brewing quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the capsule wall is made soft and flexible, then the capsule is easier to manufacture and handle, but the capsule becomes susceptible to damage and deformation during transport and handling
Solution Approach 1:
The capsule combines a soft outer wall made of flexible material (such as aluminum foil or plastic) with an additional internal wall element that provides structural reinforcement. This composite structure maintains the ease of manufacturing and flexibility of the soft wall while adding stiffness through the internal element to prevent deformation during transport and handling.
Solution Approach 2:
The capsule wall is divided into two functional parts: the outer soft wall that provides flexibility and sealing, and an additional internal wall element (such as a stiffening rib or partition) that provides structural support. This segmentation allows each part to fulfill its specific function without compromising the overall capsule performance.
2Adaptability or versatility
If the capsule wall is made soft and flexible, then the capsule is more adaptable to handling, but the capsule deforms under fluid pressure during use
Solution Approach 1:
The combination of soft outer wall material with an internal stiffening wall element creates a structure that remains adaptable to handling while maintaining dimensional stability under fluid pressure. The internal element prevents excessive deformation that would otherwise occur with soft walls alone, ensuring consistent beverage preparation.
Solution Approach 2:
The additional wall element is strategically positioned within the capsule to provide localized reinforcement in areas most susceptible to pressure-induced deformation. This allows the capsule to maintain adaptability in non-reinforced areas while gaining necessary stiffness where required for consistent brewing.
3Strength
If an additional wall element is added to the capsule, then the capsule stiffness is improved, but the capsule structure becomes more complex
Solution Approach 1:
The additional wall element is designed as a segmented structure (such as radial ribs or partitions) that can be integrated into the capsule manufacturing process. While it does increase structural complexity, the segmented design allows for easier manufacturing and assembly compared to a fully solid internal reinforcement, balancing strength improvement with acceptable complexity.
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 additional wall elements reduce capsule deformation and improve reproducibility by providing controlled pressure and fluid flow resistance, resulting in a more consistent and high-quality beverage preparation.
Implementation Method 1
the capsule comprises at least one additional wall element extending towards the inner space for providing additional stiffness
Implementation Method 2
a fluid dispensing device for supplying an amount of a fluid, such as water, under pressure to the exchangeable capsule
Implementation Method 3
an outlet which, in use, is in fluid communication with the exit area for draining the prepared beverage from the capsule and supplying the beverage to a container
Data Source
Figure 1a
Figure 1b
Figure 2~3
AI summary
The invention relates to a system, method and capsule for preparing a predetermined quantity of beverage suitable for consumption using an extractable product. The system comprises an exchangeable capsule, and an apparatus comprising a receptacle for holding the exchangeable capsule, and a fluid dispensing device for supplying a fluid to the exchangeable capsule. The exchangeable capsule comprises a circumferential wall, a bottom, and a lid. The wall, bottom and lid enclose an inner space comprising the extractable product. The bottom comprises an entrance layer for supplying an amount of a fluid by the fluid dispensing device through the entrance layer to the capsule. The lid comprises an exit layer for supplying a prepared beverage through the exit layer from the capsule to a container. The capsule comprises an additional wall element extending towards the inner space for providing additional stiffness.