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:
Nov. 26, 2002
Filed:
May. 08, 2000
Applicant:
Inventors:
Hiroaki Mori, Aida-gun, JP;
Hirofumi Okamoto, Tsuyama, JP;
Assignee:
Mori Machinery Corporation, Okayama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 2/100 ;
U.S. Cl.
CPC ...
B21D 2/100 ;
Abstract
A heat exchanger tube manufacturing method to manufacture heat exchanger tubes in a production line. The method includes the steps of molding a plurality of dimples in a plate material, which is payed out continuously, folding back the molded plate material along an axis extending in the direction in which the plate material is payed out to form the molded plate material into an intermediate tube body and cutting the intermediate tube body into parts of a predetermined length.