Invention Grant
- Patent Title: Tube and method for manufacturing the same
- Patent Title (中): 管及其制造方法
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Application No.: US12739170Application Date: 2008-10-14
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Publication No.: US08351835B2Publication Date: 2013-01-08
- Inventor: Katsutoshi Maruyama
- Applicant: Katsutoshi Maruyama
- Applicant Address: JP Tsubame-shi
- Assignee: K. K. ENDO Seisakusho
- Current Assignee: K. K. ENDO Seisakusho
- Current Assignee Address: JP Tsubame-shi
- Agency: Westerman, Hattori, Daniels & Adrian, LLP
- Priority: JP2007-286963 20071105
- International Application: PCT/JP2008/068542 WO 20081014
- International Announcement: WO2009/060692 WO 20090514
- Main IPC: G03G15/20
- IPC: G03G15/20

Abstract:
There is provided a tube having fine irregularities formed on the outer peripheral face or inner peripheral face. The tube has a hollow tube body made of metal with uniform wall thickness of 20 to 50 μm. The tube is obtained by plastic working through spinning, in which a metallic ring-shaped metal original body (6) is rotated together with a rotation support body (3) about the center axis of the metal original body (6), while being pressed by a top or tops (5) disposed on the outer periphery of the metal original body (6). Fine irregularities (12) are formed on the outer peripheral face or the inner peripheral face of the metal tube at a substantially fixed interval. Both ends of the metal original body (6) worked by spinning are cut to yield a tube (11).
Public/Granted literature
- US20100226698A1 TUBE AND METHOD FOR MANUFACTURING THE SAME Public/Granted day:2010-09-09
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