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. 06, 2017

Filed:

Apr. 26, 2012
Applicants:

Akira Ishibashi, Tokyo, JP;

Takuya Matsuda, Tokyo, JP;

Sangmu Lee, Tokyo, JP;

Takashi Okazaki, Tokyo, JP;

Inventors:

Akira Ishibashi, Tokyo, JP;

Takuya Matsuda, Tokyo, JP;

Sangmu Lee, Tokyo, JP;

Takashi Okazaki, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 39/02 (2006.01); F28F 1/12 (2006.01); F28F 1/32 (2006.01); B23P 15/26 (2006.01); F24F 1/00 (2011.01); F24F 1/14 (2011.01);
U.S. Cl.
CPC ...
F28F 1/12 (2013.01); B23P 15/26 (2013.01); F24F 1/0059 (2013.01); F24F 1/14 (2013.01); F28F 1/32 (2013.01); F28F 2215/12 (2013.01); F28F 2225/06 (2013.01); F28F 2240/00 (2013.01); F28F 2275/04 (2013.01); Y10T 29/49378 (2015.01);
Abstract

Plate-like fins have notches longer than a longitudinal axis of flat tubes that are placed in the notches. The plate-like fins also have bend portions that are located on projections projecting toward the edges more than the ends of the flat tubes, are formed by bending part of the plate-like fins, erect in a stacking direction in which the plate-like fins are stacked, and are in contact with adjacent ones of the plate-like fins. The height of the bend portions in the stacking direction is the length of a predetermined spacing.


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