Title:
EXTRUSION-MOLDED HOLLOW MATERIAL, AND APPARATUS AND METHOD FOR MOLDING SAME
Document Type and Number:
WIPO Patent Application WO/2007/066510
Kind Code:
A1
Abstract:
An extrusion-molded hollow material which can be manufactured in a small number
of manufacturing steps and has a stable quality. A hollow material (10) is manufactured
by extrusion molding. Parallel sections (21, 22) have a fixed width in one direction
on a cross-section vertical to an extrusion direction along the extrusion direction.
Inclined sections (25, 26) have different widths in the one direction along the
extrusion direction. The parallel sections and the inclined sections are integrally
formed. The hollow material (10) is composed of a light metal.
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Inventors:
SAKAE AKIRA
Application Number:
PCT/JP2006/323230
Publication Date:
June 14, 2007
Filing Date:
November 21, 2006
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
SAKAE AKIRA
SAKAE AKIRA
International Classes:
B21C23/08
Foreign References:
| JP2003326311A | 2003-11-18 | |||
| JP2002035825A | 2002-02-05 | |||
| JP2003326311A | 2003-11-18 | |||
| JP2002035825A | 2002-02-05 |
Other References:
See also references of EP 1967299A4
Attorney, Agent or Firm:
KOTANI, Etsuji et al. (2-2 Nakanoshima 2-chome, Kita-k, Osaka-shi Osaka 05, JP)
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