Soft Capsule Storage Container Surface Structure for Easy Removal
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Solution Overview
Problem
Soft capsules for oral ingestion easily adhere to the inner surface of storage containers due to moisture absorption, making them difficult to remove.
Innovation Solution
A storage container design featuring an inner surface with convex and concave structures that reduce contact area, including convex parts protruding into the storage space and a separation unit to minimize adherence.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If soft capsules are stored in a conventional smooth container, then they maintain good solubility and quick action properties, but they easily adhere to the inner surface due to moisture absorption
Solution Approach 1:
The inner surface of the container is segmented into multiple convex protrusions rather than being smooth, creating discrete contact points that reduce overall adhesion area and prevent complete surface bonding of the capsules
Solution Approach 2:
The container inner surface transitions from a two-dimensional smooth plane to a three-dimensional structured surface with convex protrusions, adding vertical dimensionality that reduces contact area and prevents capsule adhesion
2Stability of the object's composition
If the inner surface has a large contact area with soft capsules, then stable storage is achieved, but removal becomes difficult due to adhesion
Solution Approach 1:
The container inner surface has non-uniform local quality with convex protrusions creating regions of high and low contact area, allowing stable storage in most areas while providing easy removal points at the protrusion tips where contact is minimal
Data Source
AI summary
A storage container for storing soft capsules to be orally ingested includes: a storage space for storing the soft capsules; an inner surface facing the storage space and contacting the soft capsules inside the storage space; and a separation unit causing part of a contact region of the soft capsules contacting the inner surface to be separated from the inner surface. The area of the contact portion of the contact region that contacts the inner surface is smaller than the area of the separation portion of the contact region that is separated from the inner surface.