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. 22, 2021

Filed:

Sep. 20, 2018
Applicant:

Noritz Corporation, Hyogo, JP;

Inventors:

Nobuhiro Fukui, Hyogo, JP;

Hiroshi Fujii, Hyogo, JP;

Assignee:

NORITZ CORPORATION, Hyogo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24H 9/06 (2006.01); F24H 1/18 (2006.01); B21D 22/20 (2006.01); B21D 5/00 (2006.01); B23P 23/04 (2006.01); F24D 19/00 (2006.01); F24H 9/02 (2006.01); B41M 5/00 (2006.01); B21D 51/18 (2006.01);
U.S. Cl.
CPC ...
F24H 1/181 (2013.01); B21D 5/002 (2013.01); B21D 22/20 (2013.01); B23P 23/04 (2013.01); F24D 19/0097 (2013.01); F24H 9/02 (2013.01); B21D 51/18 (2013.01); B41M 5/0047 (2013.01); B41M 5/0058 (2013.01);
Abstract

There is provided a method of producing an exterior case for a hot water unit including a pressing process in which press processing is performed on a flat metal plate, and a component part of an exterior case used for accommodating a hot water device for hot water production or hot water storage therein is formed; and a painting process in which any of letters, symbols, figures, and patterns is painted on the component part of the exterior case, wherein the painting process includes an ink jet printing process in which ink jet printing is performed on the flat metal plate and an ink jet printing layer is formed, and wherein the pressing process is performed after the ink jet printing process.


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