Precoated fin and heat exchanger
US-2018340747-A1 · Nov 29, 2018 · US
Dual powder coating method for aluminum substrates
US8993070B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8993070-B2 |
| Application number | US-201013498175-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 16, 2010 |
| Priority date | Sep 28, 2009 |
| Publication date | Mar 31, 2015 |
| Grant date | Mar 31, 2015 |
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Abstract
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A method includes applying a first powder to an aluminum article and heating the first powder to form a first layer on the aluminum article providing mechanical strength, corrosion durability and bonding potential. The method also includes applying a second powder to the aluminum article and heating the second powder to form a second layer on the aluminum article protecting the aluminum article from ultraviolet radiation. A coated article includes an aluminum substrate, an epoxy layer and a topcoat layer. The epoxy layer promotes adhesion, enhances corrosion durability and provides mechanical strength, and is formed by applying a first powder containing an epoxy to the aluminum substrate and curing the first powder. The topcoat layer provides resistance to ultraviolet radiation and environmental contaminants, and is formed by applying a second powder to the aluminum substrate and curing the second powder.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method of coating a heat exchanger having an aluminum substrate, the method comprising: applying a first epoxy-based powder to the aluminum substrate; heating the first powder to melt and cure compounds of the first powder to form a first layer on the aluminum substrate having a thickness between about 15 microns and about 35 microns and providing mechanical strength, corrosion durability and bonding potential for the aluminum substrate; applying…
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Frequently asked questions
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- What does patent US8993070B2 cover?
- A method includes applying a first powder to an aluminum article and heating the first powder to form a first layer on the aluminum article providing mechanical strength, corrosion durability and bonding potential. The method also includes applying a second powder to the aluminum article and heating the second powder to form a second layer on the aluminum article protecting the aluminum article…
- Who is the assignee on this patent?
- Jaworowski Mark R, Taras Michael F, Carrier Corp
- What technology area does this patent fall under?
- Primary CPC classification F28F19/04. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Mar 31 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).