Beverage Capsules with Flexible Seals for Incompatible Ingredients
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Solution Overview
Problem
Existing beverage brewing capsules are unsuitable for containing multiple incompatible ingredients, prone to adverse reactions, and require precise alignment with clamping apparatus, leading to manufacturing challenges and inconsistent brewing performance.
Innovation Solution
A beverage preparation capsule with flexible film material bonded by peelable seals, allowing the brewing chamber to expand and separate incompatible ingredients, ensuring proper alignment and support under high pressures without bursting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple beverage preparation ingredients are placed in the same capsule, then the capsule can prepare multiple beverage types, but incompatible ingredients undergo adverse reactions leading to spoilage
Solution Approach 1:
The capsule is divided into multiple separate compartments, each containing a different beverage preparation ingredient. The compartments are separated by partition walls that prevent direct contact between incompatible ingredients during storage, eliminating adverse reactions while maintaining the ability to prepare multiple beverage types.
2Strength
If a rigid brewing chamber is used to support the capsule under high pressure, then the capsule can withstand brewing pressures, but the capsule shape must precisely match the chamber geometry requiring precise alignment
Solution Approach 1:
The capsule uses flexible film material that can deform and adapt to the brewing chamber geometry. This flexibility allows the capsule to maintain structural integrity under high pressure while accommodating variations in chamber shape and alignment, eliminating the need for precise geometric matching between capsule and chamber.
3Adaptability or versatility
If the capsule is made deformable to fit different chamber shapes, then the capsule can be used in various brewing devices, but the coffee may be insufficiently compacted and the capsule is at risk of bursting
Solution Approach 1:
The capsule employs dynamic characteristics where the flexible walls can deform during insertion to adapt to chamber geometry, then maintain structural stability during brewing. The material properties allow the capsule to be sufficiently compliant for insertion while providing adequate strength to withstand brewing pressures without bursting.
4Strength
If permanent seals are used between flexible film sheets, then the capsule maintains structural integrity, but the brewing chamber cannot expand to fill the clamp assembly space
Solution Approach 1:
The capsule is designed with pre-formed expansion capability where the flexible film structure is prepared to expand during the brewing process. The clamp assembly applies external pressure that causes the capsule to expand from its compressed transport state, allowing the brewing chamber to fill the available space while maintaining structural integrity through the flexible material properties.
Data Source
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AI summary
The present invention relates to beverage preparation capsule containing a beverage preparation ingredient, and methods for the preparation of beverages. In one aspect, these include beverage preparation capsules for use in beverage preparation apparatus comprising a clamp assembly suitable for preparing espresso-type beverages.