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:
Jan. 03, 2023

Filed:

Mar. 25, 2019
Applicant:

Mitsubishi Electric Corporation, Tokyo, JP;

Inventors:

Junichi Ono, Tokyo, JP;

Hiroshi Kinoshita, Tokyo, JP;

Nobuaki Miyake, Tokyo, JP;

Kazuyoshi Takayama, Tokyo, JP;

Takuya Ogura, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 53/02 (2006.01); B23P 15/26 (2006.01); B21D 43/08 (2006.01); B21D 53/04 (2006.01);
U.S. Cl.
CPC ...
B21D 53/022 (2013.01); B21D 43/08 (2013.01); B21D 53/04 (2013.01); B23P 15/26 (2013.01);
Abstract

A fin manufacturing method and apparatus includes: a first inter-row slit device that forms, by forming in a thin metal plate having a plurality of openings a plurality of slits extending in a longitudinal direction of the thin metal plate while leaving an uncut portion between the plurality of slits, metal strips partially coupled to each other in a transverse direction; a feed roller and a feeding device that convey, in the longitudinal direction, the metal strips in which the plurality of slits is formed by the first inter-row slit device; and a stacking device that (i) forms fins by cutting the uncut portion via which the metal strips are coupled to each other, to separate the metal strips and by cutting the metal strips at regular length intervals and (ii) stacks the formed fins.


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