Title:
HOLLOW COMPONENT, METHOD OF MANUFACTURING THEREOF AND MANUFACTURING DEVICE
Document Type and Number:
WIPO Patent Application WO/2012/124735
Kind Code:
A1
Abstract:
Provided is a hollow component which, despite being formed from thick plates, does not present problems as far as strength or operating environment, and which is advantageous in terms of cost as well; also provided is a manufacturing method thereof. A first collar unit (C1) is formed by flow drilling one plate (20) of a pair of plates (20, 21) having a gap there between. A second collar unit (C2) is formed when the other plate (21) is flow drilled, and a cylindrical connection body (C) is formed by fusing the inner end portion of the second collar unit (C2) and the inner end portion of the first collar unit (C1), reinforcing the flat plates.
Inventors:
KAWAGUCHI SHUICHIRO (JP)
Application Number:
PCT/JP2012/056575
Publication Date:
September 20, 2012
Filing Date:
March 14, 2012
Export Citation:
Assignee:
YOROZU JIDOSHA KOGYO KK (JP)
KAWAGUCHI SHUICHIRO (JP)
KAWAGUCHI SHUICHIRO (JP)
International Classes:
B21D28/34; B21D31/02; B23K20/12; B60T7/06
Domestic Patent References:
| WO2009096047A1 | 2009-08-06 |
Foreign References:
| DE4322632A1 | 1995-01-12 | |||
| EP0743111A1 | 1996-11-20 | |||
| US6216344B1 | 2001-04-17 | |||
| EP0633132A1 | 1995-01-11 | |||
| JP3892653B2 | 2007-03-14 |
Other References:
See also references of EP 2687299A4
Attorney, Agent or Firm:
HATTA & ASSOCIATES (JP)
Hatta international patent business corporation (JP)
Hatta international patent business corporation (JP)
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Claims:
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