MOLDING DEVICE AND MOLDING METHOD - SUMITOMO HEAVY INDUSTRIES

Title:

MOLDING DEVICE AND MOLDING METHOD

Document Type and Number:

WIPO Patent Application WO/2018/168259

Kind Code:

A1

Abstract:

This molding device molds a metal pipe including a pipe portion, and is provided with: a first die and a second die which mutually constitute a pair and which, when closed, form a first cavity portion for forming the pipe portion, and a second cavity portion which communicates with the first cavity portion for forming a flange portion of the metal pipe; a drive mechanism which drives at least one of the first die and the second die in a direction causing the dies to mate with one another; and a gas supply portion which supplies a gas into a metal pipe material which is held between the first die and the second die and is heated. The first die and the second die each include flange molding surfaces which face one another and which form the second cavity portion, and a projecting portion which projects from one of the flange molding surfaces toward the other flange molding surface is formed on at least one of the flange molding surfaces of the first die and the second die.

More Like This:

JP4077737	Hydroforming method for parts with diagonal overhangs
JP2004114078	METHOD FOR MANUFACTURING HYDROFORMED PARTS HAVING PROJECTED SHAPE

Inventors:

NOGIWA KIMIHIRO (JP)
ISHIZUKA MASAYUKI (JP)
SAIKA MASAYUKI (JP)
UENO NORIEDA (JP)

Application Number:

PCT/JP2018/003956

Publication Date:

September 20, 2018

Filing Date:

February 06, 2018

Export Citation:

Click for automatic bibliography generation Help

Assignee:

SUMITOMO HEAVY INDUSTRIES (JP)

International Classes:

B21D26/047; B21D22/02

Foreign References:

JP2016129891A	2016-07-21
JP2006061944A	2006-03-09
JP2006122979A	2006-05-18
JP2012000654A	2012-01-05
JP2012000654A	2012-01-05

Other References: