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:
Apr. 12, 2022
Filed:
Jul. 25, 2019
Sumitomo Heavy Industries, Ltd., Tokyo, JP;
Kimihiro Nogiwa, Ehime, JP;
Masayuki Ishizuka, Ehime, JP;
Masayuki Saika, Ehime, JP;
Norieda Ueno, Tokyo, JP;
SUMITOMO HEAVY INDUSTRIES, LTD., Tokyo, JP;
Abstract
A forming device of forming a metal pipe having a pipe portion includes a first die and a second die constituting a first cavity portion configured to form the pipe portion and a second cavity portion configured to form a flange portion, a drive mechanism configured to move at least one of the first die and the second die, and a gas supply unit configured to supply a gas into a metal pipe material which is held between the first die and the second die and is heated, in which each of the first die and the second die has flange forming surfaces which face each other and constitute the second cavity portion, and a protrusion portion, which protrudes from one flange forming surface to the other flange forming surface, is formed on at least one of the flange forming surfaces of the first die and the second die.