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Title:
BENT PRODUCT AND ITS BENDING METHOD, BENDING DEVICE
Document Type and Number:
Japanese Patent JP2008161914
Kind Code:
A
Abstract:

To provide a bent product which has a small radius without cracks and wrinkles in the designed surface part where becomes an appearance design and to provide a bending method and a bending device which are suitable to this small radius bending.

This product is a bent product which is composed of the designed surface part and an aluminum-alloy extruded shape having an rising part which is raised from the rear side of the designed surface part and one end of the designed surface part is an inside radius and the other end is an outside radius. The outside minimum radius bent part is the radius of 70 mm, the width of the designed surface part in the minimum radius part is 10 mm and the thickness of the designed surface part is in the range of 1-5 mm.


Inventors:
NIIMURA HITOSHI
YOKOYAMA MORIMASA
Application Number:
JP2006354477A
Publication Date:
July 17, 2008
Filing Date:
December 28, 2006
Export Citation:
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Assignee:
AISIN KEIKINZOKU CO LTD
TOKO SEISAKUSHO KK
International Classes:
B21D53/88; B21D7/025
Domestic Patent References:
JPS59169629A1984-09-25
JP2006289488A2006-10-26
JPH05212452A1993-08-24
Attorney, Agent or Firm:
Kaichi Otani