Spray Gun Cup Sidewall Apertures for Paint Visibility
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Solution Overview
Problem
Paint cups and their components tend to become coated with paint, making it difficult to view the contents, especially the mix ratio gauge, leading to waste and increased costs due to the need for frequent replacements.
Innovation Solution
The design of spray gun cups with apertures in the sidewall allows for increased visibility of the contents, reducing material usage and providing structural support, while modular components and integrated filters minimize waste and improve usability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If the paint cup is made transparent to allow viewing of contents, then visibility of contents is improved, but the transparent surface becomes coated with paint making viewing difficult over time
Solution Approach 1:
The paint cup is segmented into multiple functional surfaces: transparent sidewalls for viewing contents and an opaque top surface that resists paint coating. This segmentation allows each surface to perform its specific function optimally without interference from the other.
Solution Approach 2:
Different parts of the paint cup have different optical properties - the sidewalls are transparent to allow viewing of contents and mix ratio gauge, while the top surface is opaque to prevent paint coating and maintain visibility of the mix ratio gauge markings.
2Strength
If the paint cup is made from sufficient material to provide strength and rigidity, then structural integrity is improved, but material usage and manufacturing cost increase
Solution Approach 1:
The paint cup structure is segmented into the cup body and a separate mix ratio gauge assembly. The mix ratio gauge is positioned to be visible through the transparent sidewall without requiring additional reinforcing materials in the cup wall itself.
Solution Approach 2:
The paint cup can be constructed with thinner walls since the structural requirements are met through the overall design and the mix ratio gauge positioning, reducing material usage while maintaining sufficient strength for its intended function.
3Measurement precision
If the mix ratio gauge is made visible on the paint cup, then measurement capability is improved, but the gauge becomes difficult to read when paint coats the cup surface
Solution Approach 1:
The mix ratio gauge is positioned on the top surface of the paint cup, which is made opaque and resistant to paint coating. This local differentiation ensures the measurement markings remain visible and readable throughout use, unlike transparent surfaces that become obscured by paint buildup.
4Illumination intensity
If transparent paint cups are used to allow viewing of contents, then visibility is improved, but frequent replacement is needed due to paint coating, increasing cost and waste
Solution Approach 1:
The paint cup is designed with segmented optical properties - transparent sidewalls for viewing contents and an opaque top surface that resists paint coating. This allows the cup to maintain visibility functions without the drawbacks of fully transparent construction, extending its usable life.
Solution Approach 2:
By making only the top surface opaque rather than the entire cup, the design maintains content visibility through the transparent sidewalls while preventing paint coating on the top surface where the mix ratio gauge is located, reducing the need for replacement.
Data Source
Figure 1A
Figure 1B
Figure 1C~1D
AI summary
A spray gun cup receptacle is disclosed comprising an open end for receiving a liner within a cavity and a base end opposite the open end. The sidewall comprises at least one aperture through which the cavity is visible from outside the spray gun cup receptacle. The apertures are divided one above the other by a brace member, at least a portion of which is disposed at a brace member angle α relative to the base plane. Also disclosed are receptacles comprising one or more tactile feedback members positioned adjacent an aperture.