The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 25, 2024

Filed:

Dec. 27, 2016
Applicant:

Toyo Aluminium Kabushiki Kaisha, Osaka, JP;

Inventors:

Akira Shingu, Osaka, JP;

Mitsunari Ooyagi, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21B 1/26 (2006.01); B21B 1/28 (2006.01); B21B 1/38 (2006.01); B21B 1/40 (2006.01); B21B 1/46 (2006.01); B21B 3/00 (2006.01); C22C 21/00 (2006.01); C22C 21/08 (2006.01); C22F 1/04 (2006.01);
U.S. Cl.
CPC ...
B21B 1/26 (2013.01); B21B 1/28 (2013.01); B21B 1/38 (2013.01); B21B 1/40 (2013.01); B21B 1/46 (2013.01); B21B 3/00 (2013.01); C22C 21/00 (2013.01); C22C 21/08 (2013.01); C22F 1/04 (2013.01); B21B 2001/383 (2013.01); B21B 2003/001 (2013.01); B21B 2261/04 (2013.01); B21B 2261/14 (2013.01); B21B 2267/10 (2013.01);
Abstract

Discussed is an aluminum foil for ultraviolet light reflecting materials, wherein a ratio of a total surface area of aluminum particles pressed into or adhering to a region having a predetermined surface area to the surface area of the region is less than or equal to 0.05%, the total surface area of crystallized products present in the region having a predetermined surface area is less than or equal to 2% with respect to the surface area of the region, an average surface area per crystallized product is less than or equal to 2 μm, and arithmetic surface roughness Ra of the region is less than 20 nm.


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