Invention Grant
- Patent Title: Curved tube structure and die for forming curved tube
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Application No.: US14428464Application Date: 2013-09-13
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Publication No.: US10253913B2Publication Date: 2019-04-09
- Inventor: Youhei Souma , Hiroyuki Nakaya , Yoshio Tomono , Tadahiro Kitamura , Yoshiyuki Goto
- Applicant: NIFCO INC.
- Applicant Address: JP Yokosuka-Shi, Kanagawa
- Assignee: NIFCO INC.
- Current Assignee: NIFCO INC.
- Current Assignee Address: JP Yokosuka-Shi, Kanagawa
- Agent Manabu Kanesaka
- Priority: JP2012-204534 20120918
- International Application: PCT/JP2013/074933 WO 20130913
- International Announcement: WO2014/046063 WO 20140327
- Main IPC: F16L43/00
- IPC: F16L43/00 ; B29C45/26 ; B29C45/44 ; B29L31/24 ; B29L23/00 ; F16L41/02 ; F16L41/03
Abstract:
A curved tube structure, including: a tube main body including a bent portion at one portion in an axis line direction; and an enlarged cross-section portion formed along the axis line direction of the tube main body in an inner periphery inside a bending direction of the bent portion for enlarging a cross-section area of the tube main body.
Public/Granted literature
- US20150226360A1 CURVED TUBE STRUCTURE AND DIE FOR FORMING CURVED TUBE Public/Granted day:2015-08-13
Information query
