US 12,390,847 B2
Molding device and metal pipe
Masayuki Saika, Niihama (JP); and Norieda Ueno, Tokyo (JP)
Assigned to SUMITOMO HEAVY INDUSTRIES, LTD., Tokyo (JP)
Filed by SUMITOMO HEAVY INDUSTRIES, LTD., Tokyo (JP)
Filed on Jun. 6, 2023, as Appl. No. 18/329,610.
Application 18/329,610 is a continuation of application No. PCT/JP2022/001126, filed on Jan. 14, 2022.
Claims priority of application No. 2021-019159 (JP), filed on Feb. 9, 2021.
Prior Publication US 2023/0311188 A1, Oct. 5, 2023
Int. Cl. B21D 26/047 (2011.01); B21D 19/08 (2006.01); B21D 26/033 (2011.01); B21D 26/039 (2011.01); B21D 26/041 (2011.01); B21D 37/16 (2006.01)
CPC B21D 26/047 (2013.01) 10 Claims
OG exemplary drawing
 
1. A forming device that forms a metal pipe with at least one flange portion, the forming device comprising:
a forming tool that forms the metal pipe,
wherein the forming tool includes a first die and a second die facing each other in a first direction in a cross-sectional view, and a third die disposed on at least one side of a metal pipe material in a second direction intersecting the first direction,
at least one of the first die and the second die is divided in the second direction and sandwiches a part of the metal pipe material in the second direction to form the at least one flange portion,
at least one of the first die and the second die includes a first portion and a second portion which sandwich the part of the metal pipe material in the second direction to form the at least one flange portion, and
the first portion and the second portion are configured to move in the second direction to form the at least one flange portion.