Protruding Desiccant Insert for Moisture Absorption
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Solution Overview
Problem
Conventional containers with desiccant inserts have limited moisture absorption capacity due to restricted surface area exposure, which can lead to reduced shelf life of sensitive products like medications and diagnostic test strips, and pose safety hazards with loose desiccant bags.
Innovation Solution
A container design with a desiccant insert featuring a base polymer and channeling agent, where a void is created between the insert's outer surface and the container's inner surface, allowing for increased exposure to air and moisture absorption through fluid pathways, enhancing moisture absorption efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If desiccant insert outer surface is made flush with container inner surface, then structural simplicity is improved, but moisture absorption surface area is reduced
Solution Approach 1:
The insert outer surface is extended beyond the container inner surface in the radial dimension, creating a protruding structure. This dimensional extension transforms the insert from a flush-mounted configuration to an overhanging configuration, thereby increasing the exposed surface area available for moisture absorption without complicating the overall structural design.
Solution Approach 2:
The insert structure is segmented into distinct functional zones: the inner surface facing the product compartment, the outer surface exposed to the container headspace, and the protruding portion that extends beyond the container wall. This segmentation allows each surface to independently perform moisture absorption functions, maximizing total effective surface area.
2Ease of manufacture
If desiccant insert is made as loose bag/canister, then ease of manufacture is improved, but safety hazards increase due to ingestion risk
Solution Approach 1:
The desiccant material is merged with an immovable insert structure that is fixed to the container. This combination creates a single integrated component that cannot be separated or ingested, while maintaining the desiccant's moisture absorption functionality. The insert acts as a permanent housing for the desiccant material.
Solution Approach 2:
The insert structure serves as an intermediary between the desiccant material and the container environment. It provides a secure mounting platform for the desiccant while preventing direct access to loose desiccant particles, thereby eliminating ingestion hazards while maintaining ease of manufacture through standardized insert components.
3Reliability
If desiccant insert uses slower uptake rate channeling agents, then product safety is improved, but moisture absorption capacity is reduced
Solution Approach 1:
By extending the insert outer surface beyond the container inner surface, additional surface area is created in the radial dimension. This extra surface area compensates for the slower moisture uptake rate of safer channeling agents, maintaining overall moisture absorption capacity while using more reliable, slower-acting desiccant materials.
Solution Approach 2:
The physical configuration parameter of the insert is changed from flush-mounted to protruding, increasing the exposed surface area. This parameter change allows the system to achieve the required moisture absorption capacity even when using channeling agents with slower uptake rates, thereby enabling the use of safer materials without sacrificing performance.
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 increased surface area exposure significantly improves moisture absorption capacity, extending the shelf life of products and eliminating safety hazards associated with loose desiccant bags.
Implementation Method 1
The increased surface area exposure significantly improves moisture absorption capacity
Implementation Method 2
a desiccating unit adapted to absorb moisture. The desiccating unit typically includes desiccant within a small bag or canister
Implementation Method 3
desiccant entrained polymer formulations including a base polymer (for structure), a desiccant and optionally a channeling agent
Data Source
AI summary
A container includes a container body (201), optionally a lid (220), and an insert (100) secured, optionally fixedly secured within an interior of the container body. The insert has a base material, optionally a polymer, for providing structure to the insert, and a desiccant. The insert further has an opening leading to an interior compartment (102) configured for housing products and an outer surface (104) facing an inner surface of the container body. A void is provided between an exposed portion of the outer surface of the insert and a portion of the inner surface of the container body. At least one fluid pathway is provided between the void and the interior compartment of the insert.