Brush Storage Device Using Tapered Flexible Container
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Solution Overview
Problem
Existing storage devices for paint brushes fail to prevent paint hardening between the bristles, leading to poor painting quality and increased costs due to complex and expensive constructions, while also posing environmental hazards from liquid cleaning solutions.
Innovation Solution
A flexible plastic container with a tapered section that provides a snug, airtight fit for different brush sizes, expelling air and paint residues, and featuring a more rigid material for easy insertion and handling, along with a tearing line for easy removal, made from materials resistant to paint chemicals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a flexible container is used to store the paint brush, then the container is inexpensive and easy to use, but the paint hardens between the bristles due to oxygen availability
Solution Approach 1:
The patent uses a flexible container made of plastic film to store the paint brush. The flexible nature of the container allows it to conform to the brush shape while providing a barrier that limits oxygen access to the paint between bristles, preventing hardening without requiring complex rigid structures
Solution Approach 2:
The flexible container creates a restricted environment around the brush bristles that limits oxygen availability. By reducing oxygen access in the space between bristles, the container prevents oxidative hardening of the paint while maintaining brush flexibility and usability
2Reliability
If liquid is added to the container to prevent paint hardening, then the brush remains fresh, but environmental hazards increase and cleaning complexity increases
Solution Approach 1:
The invention removes the harmful liquid component from the storage system entirely. Instead of using liquid to prevent hardening, the flexible container alone provides sufficient protection by limiting oxygen access, thereby eliminating environmental hazards associated with liquid cleaners while maintaining brush freshness
Solution Approach 2:
The patent employs a disposable flexible container that is inexpensive and single-use. The container prevents paint hardening through its physical barrier properties alone, eliminating the need for expensive, environmentally hazardous liquid cleaners while providing effective brush protection
3Reliability
If a rigid container with removable lid is used, then the brush is isolated from ambient environment, but the device complexity and cost increase
Solution Approach 1:
The patent replaces rigid containers with a flexible plastic film container. The flexible material provides effective environmental isolation by conforming to the brush and creating a tight seal, while eliminating the complexity of lids, hinges, and rigid structural components
Solution Approach 2:
Instead of using a rigid container with a removable lid that requires assembly and disassembly, the invention uses a flexible container that is opened by folding back the closure flap. This inverted approach simplifies the structure while maintaining effective environmental isolation of the brush
4Ease of operation
If the container volume is large to accommodate the brush, then the brush fits comfortably, but oxygen availability increases causing paint hardening
Solution Approach 1:
The flexible container is designed to wrap closely around the brush, minimizing the air volume between the container walls and the brush bristles. This close fit accommodates the brush comfortably while severely limiting oxygen availability to prevent paint hardening
Solution Approach 2:
The container features an asymmetric design with a tapered section that provides a snug fit for the brush head. This asymmetric shaping ensures minimal air space around the bristles while maintaining easy insertion and removal of the brush
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 maintains brush flexibility and softness over extended periods without the need for cleaning, reducing environmental impact and costs by using a single device for various brush sizes and preventing paint hardening, thus ensuring consistent painting quality.
Implementation Method 1
the flexible plastic film has properties allowing a snug fit with the brush head and providing a frictional resistance against movement of the brush head
Data Source
Figure 1A~3B
Figure 4~5
Figure 6A~6B
AI summary
The invention relates to storage device for a brush, the storage device comprising a flexible plastic container comprising an inside face and an outside face, where the plastic container comprises a tapered area between a first wider end towards a second narrower end and where the tapered area on the inside face has a dimension allowing a fit with one or more sizes of brush heads.