Paint Strainer Dispenser Wrapping to Prevent Filter Contamination
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Solution Overview
Problem
Conventional paint strainers are prone to contamination during storage and dispensing, leading to compromised paint quality due to dust and body oils, and existing dispensers fail to adequately protect the strainers from environmental exposure and manual handling.
Innovation Solution
A dispenser system that encloses a stack of conical paint strainers within a protective material, allowing for contamination-free handling and storage by using a separable perforated wrapping and a dispenser design with studs and doors to prevent direct contact with the filter area, enabling easy and clean dispensing of individual strainers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If strainers are stored in open bags or conventional dispensers, then they are easily accessible for dispensing, but they are exposed to dust and body oils causing contamination
Solution Approach 1:
The patent uses a flexible plastic wrap to enclose the stack of strainers, creating a protective barrier that prevents dust and body oils from contaminating the strainers while still allowing easy access. The wrap can be peeled back to dispense individual strainers without exposing the entire stack to contamination.
Solution Approach 2:
The plastic wrap acts as an intermediary between the strainers and the environment, providing a protective layer that prevents direct contact between contaminants (dust, body oils) and the strainer filter surface, while still allowing the strainers to be dispensed when needed.
2Ease of operation
If strainers are dispensed from the top of the dispenser, then they are easily removed, but the filter area is exposed to manual contamination
Solution Approach 1:
The strainers are pre-packaged in a protective plastic wrap that extends beyond the stack. This preliminary protective action allows the outer wrap to be peeled back first, enabling dispensing of individual strainers without direct hand contact with the filter area.
Solution Approach 2:
The extended plastic wrap serves as an intermediary gripping surface that allows users to handle and dispense strainers without their fingers directly contacting the filter mesh, thereby preventing body oil contamination.
3Object-affected harmful factors
If strainers are left in the protective bag for storage, then they are protected from contamination, but the bag can be damaged or left open exposing strainers
Solution Approach 1:
The flexible plastic wrap provides continuous protection for the strainer stack during storage. The wrap can be securely closed after dispensing individual strainers, maintaining the protective barrier and preventing damage or accidental opening that would expose the strainers to contamination.
Data Source
AI summary
A method of loading stacked strainers in a dispenser while minimizing strainer contamination is disclosed. The method includes providing a stack of strainers that is enclosed in a protective material to form a pod, placing the pod within a dispenser, and removing the protective material from the pod of strainers while the strainers are in the dispenser. The strainers dispensed from the thus loaded dispenser avoid being contamination during loading. The protective material may be perforated to facilitate removal from the stack, and include an extended portion to be grasped during removal from the dispenser.