Title:
ALUMINUM ALLOY PLATE MEMBER HAVING HEM PORTION
Document Type and Number:
WIPO Patent Application WO/2005/025771
Kind Code:
A1
Abstract:
An aluminum alloy plate member (1) has a hem portion (25) which is composed of an outer member (2) made of an aluminum alloy plate and an inner member (3) that is made of an aluminum alloy plate and fitted in the outer member (2). The end of the hem portion (25) has a hem end portion (255) whose outer bending radius (R) is expressed with respect to the plate thickness (T)of the outer member (2) as R = 1.0T - 1.2T. The hem end portion (255) may preferably have a closely adhering portion which is obtained by tightly bending the outer member (2) 180&ring .
Inventors:
UCHIDA HIDETOSHI (JP)
Application Number:
PCT/JP2003/011449
Publication Date:
March 24, 2005
Filing Date:
September 08, 2003
Export Citation:
Assignee:
SUMITOMO LIGHT METAL IND (JP)
UCHIDA HIDETOSHI (JP)
UCHIDA HIDETOSHI (JP)
International Classes:
B21D39/02; (IPC1-7): B21D39/02; B21D19/08
Foreign References:
| JPH06246371A | 1994-09-06 | |||
| JPH0259121A | 1990-02-28 | |||
| JP2000160274A | 2000-06-13 | |||
| JP2003181547A | 2003-07-02 | |||
| JP2003039124A | 2003-02-12 |
Other References:
See also references of EP 1666171A4
Attorney, Agent or Firm:
Takahashi, Yoshiyasu (26-19 Meieki 3-chome, Nakamura-k, Nagoya-shi Aichi, JP)
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