Contoured Coating Applicator for Complex Substrates
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Solution Overview
Problem
Conventional rollers fail to adequately apply coatings to substrates with channeled, corrugated, or ribbed surfaces due to surface irregularities, resulting in uncovered areas and a cumbersome, dangerous application process.
Innovation Solution
A coating applicator with a body comprising multiple portions of varying diameters and contoured surfaces, allowing it to adapt to different substrate shapes, combined with a nap material that can deform to cover complex geometries, ensuring complete coverage and contact with the substrate.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional roller is used to apply coating to a channeled or corrugated substrate, then the coating application process is simple, but the roller cannot contact all areas of the substrate resulting in uncovered areas
Solution Approach 1:
The coating applicator is divided into multiple portions (first portion, second portion, third portion) with varying diameters and contoured surfaces. Each portion is designed to contact specific areas of the contoured substrate, ensuring complete coverage by segmenting the coating application function across different geometric zones.
Solution Approach 2:
Different portions of the coating applicator have different diameters and contoured surfaces tailored to match specific local geometries of the substrate. The first portion has a first diameter suited for certain substrate areas, the second portion has a second diameter for other areas, and the third portion has a third diameter for additional zones, ensuring each local area receives proper contact and coating.
2Manufacturing precision
If the roller is placed in awkward orientations to reach uncovered areas, then more areas can be coated, but the coating process becomes time consuming and dangerous
Solution Approach 1:
The coating applicator is designed as a multi-functional tool with multiple portions that can handle various contoured surface types in a single operation. The first, second, and third portions with different diameters and contoured surfaces enable the applicator to adapt to different substrate geometries without requiring multiple tools or awkward repositioning, thus completing coating efficiently and safely.
3Device complexity
If a conventional roller is used on contoured surfaces, then the device structure is simple, but the roller cannot adapt to different substrate shapes
Solution Approach 1:
The coating applicator incorporates dynamic adaptability through its multiple portions with varying diameters and contoured surfaces that can flexibly conform to different substrate shapes. The nap material is transitionable between undeformed and deformed positions, allowing the applicator to dynamically adjust to match the contours of various substrates while maintaining a relatively simple overall device structure.
Solution Approach 2:
The coating applicator changes geometric parameters (diameter and surface contour) across different portions to match different substrate shapes. The first portion has a first diameter, the second portion has a second diameter, and the third portion has a third diameter, with each portion's contoured surface designed to adapt to specific substrate geometries, enabling versatility without excessive complexity.
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 coating applicator effectively transfers coatings to the entirety of contoured substrates, improving efficiency and safety by allowing complete coverage of complex surfaces without the need for awkward orientations.
Implementation Method 1
the nap material is transitionable between an undeformed position and a deformed position in which the nap material is adapted to variably cover the substrate
Data Source
AI summary
A coating applicator that applies a coating or liquid to a variety of different substrates having different contoured surfaces is disclosed. A coating applicator of the present disclosure is able to reach, contact, and cover the entirety of a contoured substrate. In this manner, the coating applicator is able to transfer a coating to the entirety of the contoured substrate.