Collar Ventilation Structure to Keep Dispensing Heads Clean
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Solution Overview
Problem
Existing packaging devices with ventilation systems are prone to dust and contaminant fallout on the dispensing head due to through orifices in the cap, which can lead to bacterial growth and are aesthetically and industrially inefficient.
Innovation Solution
A packaging device with ventilation apertures integrated into the collar, maintaining air communication between the inside and outside when the cap is mounted, which limits dust fallout and facilitates residual product drying while being easier to manufacture and aesthetically superior.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If through orifices are formed in the upper wall of the cap to ventilate the closed volume, then the drying of residual product is facilitated, but dust or contaminants can fall on the dispensing head by gravity
Solution Approach 1:
The ventilation system transitions from vertical through-orifice ventilation in the cap to lateral ventilation through the collar structure. The ventilation apertures are positioned in the collar's peripheral wall, allowing air to enter horizontally rather than vertically from above, thus preventing gravity-driven contaminant deposition while maintaining drying effectiveness.
Solution Approach 2:
The collar acts as an intermediary structure between the cap and container, integrating the ventilation function into this intermediate component rather than directly into the cap or dispensing head. This mediation allows ventilation to occur away from the dispensing head, preventing direct contamination while still achieving the drying objective.
2Use of energy by moving object
If through orifices are formed in the cap for ventilation, then air circulation is improved, but the aesthetic appearance and manufacturing complexity increase
Solution Approach 1:
The ventilation apertures are integrated into the collar structure during its molding process, combining the collar's structural function with the ventilation function. This merging eliminates the need for separate ventilation components or post-manufacturing modifications to the cap, simplifying manufacturing while maintaining aesthetic appearance.
Solution Approach 2:
The ventilation function is localized to specific regions of the collar structure rather than requiring modifications to the entire cap assembly. The apertures are positioned in the collar's peripheral wall, providing localized ventilation without compromising the overall aesthetic appearance of the cap or requiring complex manufacturing processes.
3Object-affected harmful factors
If ventilation apertures are positioned in the collar at the interface between upper working part and lower combining part, then dust fallout is prevented, but the structural complexity of the collar increases
Solution Approach 1:
The collar is divided into an upper working part and a lower combining part, with the ventilation apertures positioned at the interface between these segments. This segmentation allows the ventilation function to be integrated into the collar's modular structure without significantly increasing overall complexity, as the apertures are incorporated into the existing segmented architecture.
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 solution effectively prevents dust and contaminant deposition, enhances drying of residual product, reduces manufacturing costs, and improves aesthetics by hiding the apertures, while maintaining functional efficiency.
Implementation Method 1
at least one ventilation aperture opening out at the interface between the upper working part and the lower combining part to maintain an air communication channel between the inside and the outside of the packaging device
Data Source
AI summary
The present invention relates to a device comprising: —a container (1) intended to contain a product to be dispensed, —a cap (4), —a head mounted on the container and comprising: o a nozzle (31) for discharging the product, and o a collar (2) including: # an upper working portion intended to engage with the cap to close the distribution device, and # a lower combining portion intended to engage with the container, characterised in that the device further comprises at least one ventilation opening which opens onto the interface between the upper working portion and the lower combining portion so as to maintain an air communication channel between the outside and inside of the packaging device when the cap is mounted on the collar.