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.
Patent No.:
Date of Patent:
Jun. 29, 2021
Filed:
Nov. 07, 2017
Applicant:
Marelli Cabin Comfort Japan Corporation, Saitama, JP;
Inventor:
Hiroyuki Oono, Saitama, JP;
Assignee:
Marelli Cabin Comfort Japan Corporation, Saitama, JP;
Primary Examiner:
Int. Cl.
CPC ...
B21D 11/14 (2006.01); B21C 37/26 (2006.01); F28F 1/40 (2006.01); F28D 7/10 (2006.01); B23P 15/26 (2006.01);
U.S. Cl.
CPC ...
F28F 1/40 (2013.01); B21D 11/14 (2013.01); B23P 15/26 (2013.01); F28D 7/10 (2013.01); B21C 37/26 (2013.01);
Abstract
In a method of manufacturing a fin-assembled tube by arranging a helical fin in an interior of a tube, a plate-shaped fin material is inserted into the interior of the tube and the helical fin is formed by twisting the fin material in the interior of the tube.