Cap-Mounted Desiccant Insert for Contamination-Safe Containers
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Solution Overview
Problem
Conventional containers with desiccant compartments are prone to contamination when the sealing elements break or are improperly fixed, leading to silica gel falling into the container and compromising the product, and existing desiccant designs are not optimized for cost-effectiveness and surface area utilization.
Innovation Solution
A container design featuring a solid, moisture-absorbing insert with a finned surface facing the cap interior, which maximizes the active surface area for moisture absorption and is securely housed within a compartment in the cap, ensuring effective moisture control without additional parts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a cardboard sealing element is used in the desiccant compartment, then moisture migration is enabled, but the risk of contamination increases when the cardboard breaks or is not fixed properly
Solution Approach 1:
The invention extracts the desiccant material from the traditional compartment structure and places it directly on the cap's internal surface. This eliminates the cardboard sealing element that caused contamination risks, while the desiccant remains fixed to the cap through adhesive bonding, ensuring both moisture absorption effectiveness and product safety.
Solution Approach 2:
The invention introduces an adhesive layer as an intermediary between the desiccant material and the cap. This adhesive mediator ensures secure fixation of the desiccant to the cap's internal surface, preventing detachment and contamination while maintaining effective moisture absorption throughout the product lifecycle.
2Reliability
If desiccant pellets are housed in a compartment, then moisture absorption is achieved, but the device complexity increases with additional sealing and fixation parts
Solution Approach 1:
The invention merges the desiccant compartment function directly into the cap structure. The desiccant material is applied directly to the cap's internal surface, eliminating the need for separate compartments, sealing elements, and fixation mechanisms. This integration reduces device complexity while maintaining effective moisture control.
Solution Approach 2:
The cap structure serves multiple functions simultaneously: it acts as the container closure, the mounting surface for the desiccant, and the protective barrier. By making the cap multi-functional, the invention eliminates the need for additional dedicated desiccant compartment parts, reducing overall device complexity.
3Reliability
If conventional desiccant inserts are used, then moisture absorption is provided, but the surface area for absorption is not optimized within the same volume
Solution Approach 1:
The invention transitions from traditional pellet-based desiccant (zero-dimensional or one-dimensional) to a distributed surface application on the cap's internal surface (two-dimensional). This dimensional change maximizes the active surface area for moisture absorption within the same volume, significantly improving absorption efficiency.
Solution Approach 2:
The invention employs a porous or textured surface coating on the cap's internal surface to enhance moisture absorption. The porous structure increases the effective surface area and provides capillary action for moisture uptake, improving absorption efficiency without increasing the overall volume of the desiccant system.
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 design enhances moisture absorption efficiency while maintaining a compact form factor and reduces material costs by minimizing parts, preventing contamination, and ensuring reliable desiccation of the container contents.
Implementation Method 1
a container (1) which comprises a receptacle (4) and a cap (5), wherein the cap (5) comprises an insert (8) made of a material that absorbs moisture
Data Source
Figure 1~4
Figure 5~6
Figure 7
AI summary
A container (1) comprising a receptacle (4) and a cap (5), the cap comprising means (2) configured to secure the cap (1) to the receptacle, the cap comprising an insert (8) made of a moisture-absorbing material, the insert (8) being a solid element, with a defined shape, which features a finned surface (8B), characterised by the fact that the insert (8) is secured inside the cap (5) with the finned surface (8B) facing the ceiling (5A) of the cap (5) and a active surface (8A) facing the inside of the receptacle (4) when the cap is over the receptacle (4), the active surface (8A) being substantially flat.