Aerosol Masking Device with Viewing Window and Pressure Vent
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Solution Overview
Problem
Current spray masking devices for aerosolized products lack a viewing window and pressure release vent, which hampers precise application and leads to over-spray issues, and do not allow finger access to actuate the spray nozzle effectively.
Innovation Solution
A horizontal channel-based masking device with a viewing window, pressure release vents, and a design that channels excess aerosol into a reservoir, allowing finger access to the spray nozzle, utilizing a masking unit with a transparent film and raised bead for containment and accumulation of over-spray.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional masking devices are used without a viewing window, then the device structure is simple, but the user cannot precisely observe the application area leading to poor spray precision
Solution Approach 1:
The patent incorporates a transparent viewing window in the masking device housing, allowing users to visually observe the application area and spray pattern in real-time. This transparency feature enables precise control of spray application while maintaining a relatively simple overall device structure.
2Reliability
If traditional masking devices lack a pressure release vent, then the device structure remains simple, but pressure buildup causes over-spray and safety issues
Solution Approach 1:
The patent extracts and incorporates a pressure release vent into the masking device structure. This vent allows excess pressure to be safely discharged, preventing over-spray and potential safety hazards while maintaining structural simplicity through an integrated design.
3Ease of operation
If the masking device does not allow finger access to the spray nozzle, then the device structure is simple, but the user cannot effectively actuate the spray nozzle
Solution Approach 1:
The patent segments the masking device structure to provide accessible opening(s) that allow finger access to the spray nozzle actuator. This segmentation enables easy operation while maintaining the masking function through the integrated design of accessible openings in the housing.
4Object-generated harmful factors
If no reservoir is provided for excess aerosol, then the device structure is simple, but over-spray material cannot be contained and creates environmental contamination
Solution Approach 1:
The patent introduces a reservoir as an intermediary component within the masking device. This reservoir captures and contains excess aerosol material that would otherwise be released into the environment, thereby reducing contamination while adding minimal structural complexity through an integrated containment chamber.
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 over-spray by providing a clear view of the application area, managing pressure buildup, and directing excess aerosol into a reservoir, ensuring precise application and safety.
Implementation Method 1
pressurized air is released across an aperture, creating a venturi effect, drawing the fluid from a reservoir through a small aperture which then disperses the fluid in tiny droplets
Implementation Method 2
when an aerosol is created, it is accomplished with the use of a compressed gas or air, or through compression of the subject fluid
Data Source
AI summary
A masking device to prevent over-spray when using an aerosol can to apply aerosols to a work surface. The device includes a horizontal channel structure, the back end of which is essentially open and serves as an insertion point for an aerosol nozzle feed tube from an aerosol can, while the front end serves as an attachment seat for a masking unit. The back end of the horizontal channel is open, providing the user access to the aerosol nozzle in order to actuate the aerosol nozzle with a finger, whereby an aerosol is propelled forward into a masking unit. The masking unit has a small orifice creating a planar opening at the back, and a large orifice creating a generally planar opening at the front The masking unit is essentially hollow, providing the ability to contain an aerosol, the large orifice serving as a mask against a target surface. The masking unit has an observation cut out covered with a transparent film, a vent to exhaust excess pressure and aerosol, and raised beads radiating from the small orifice to the large orifice, which serve as excess aerosol accumulators.