Paint Tray Lid Assembly With Compressible Sealing for Wet Paint Preservation
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Solution Overview
Problem
Existing paint roller tray lids do not provide secure and easy releasable engagement with the tray, leading to paint spillage and drying out due to inefficient sealing, especially around the handle, and lack functionalities for additional uses.
Innovation Solution
A lid design with a cover portion, exterior side wall, inner lip, and compressible sealing material that forms a sealable engagement with the tray, minimizing air entry and allowing for additional features like paint can retention and labeling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a lid is designed to seal a paint roller tray, then paint preservation is improved, but engagement security and ease of operation deteriorate
Solution Approach 1:
A flexible sealing member is provided that engages with the tray to form a seal. The flexible nature allows the sealing member to conform to the tray opening while maintaining a secure seal, resolving the contradiction between reliable paint preservation and ease of operation by providing both sealing effectiveness and flexible engagement.
Solution Approach 2:
The lid design incorporates a releasable engagement mechanism that changes the engagement state from secured to releasable. This allows the lid to maintain a secure, sealed engagement during storage and transport, while enabling easy opening when needed, thus improving both paint preservation and operational ease.
2Reliability
If a lid is designed to seal a paint roller tray, then paint preservation is improved, but manufacturing complexity worsens
Solution Approach 1:
The flexible sealing member can be manufactured as a simple elastomeric component that is easily molded and attached to the lid. This approach achieves effective sealing without complex manufacturing processes, resolving the contradiction between paint preservation and manufacturing simplicity.
Solution Approach 2:
The sealing function is segmented into a separate flexible sealing member that can be independently manufactured and then attached to the lid. This modular approach simplifies the manufacturing of each component while achieving the composite function of secure sealing.
3Reliability
If the lid completely covers the tray opening, then sealing effectiveness is improved, but access to paint roller handle worsens
Solution Approach 1:
The lid incorporates a recess or opening in the sealing perimeter that segments the seal to accommodate the paint roller handle. This allows the handle to pass through or be accessed while the rest of the lid maintains complete coverage and effective sealing, resolving the contradiction between sealing effectiveness and handle accessibility.
Solution Approach 2:
The lid design applies local quality by providing complete sealing coverage in most areas while creating a localized recess or opening specifically for handle access. This selective modification maintains overall sealing effectiveness while enabling necessary access.
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 lid effectively prevents paint drying by maintaining an airtight seal, reduces spillage, and enables additional functionalities such as paint can storage and identification, keeping paint wet for extended periods.
Implementation Method 1
a compressible sealing material provided on the bottom surface within the channel between the inner lip and the exterior side wall
Data Source
AI summary
There is provided a lid for covering and sealing a paint roller tray, the lid comprising a cover portion, an exterior side wall, an inner lip, a recess, and a compressible sealing material. There is also provided a tray assembly for sealably holding wet paint and/or a paint roller, the tray assembly comprising a lid and a paint roller tray.