PLATE-SHAPED MATERIAL HAVING RECESSED AND PROJECTED PORTION, AND VEHICLE PANEL AND LAYERED STRUCTURE INCORPORATING SAME

WIPO Patent Application WO/2012/032814

A1

Provided is a plate-shaped material (1) which has a recessed and projected portion (20) formed to enhance rigidity. The recessed and projected portion is formed with reference to a first reference plane (K1), an intermediate reference plane (K3), and a second reference plane (K2). It is assumed that the intermediate reference plane (K3) is defined by a first grid straight line (L1), a second grid straight line (L2), and a third grid straight line (L3), and filled with a hexagonal unit region (24) and a triangular unit region (25). Those regions made up of the hexagonal unit region (24) and the triangular unit region (25) are to be a first reference region (214), a second reference region (224), and a third reference region (234), so that combinations thereof form a new first reference region (213), a new second reference region (223), and a new third reference region (233). The recessed and projected portion (20) is made up of a first region (21) and a second region (22) which include the new first reference region (213) and the new second reference region (223), and an intermediate plane (23) which includes the new third reference region (233).

JP4224158	Tractor bonnet structure
JPH08108756	FUEL TANK STRUCTURE FOR AGRICULTURAL VEHICLE

TAKAHASHI MASAYA (JP)

PCT/JP2011/061476

March 15, 2012

May 19, 2011

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SUMITOMO LIGHT METAL IND (JP)
TAKAHASHI MASAYA (JP)

B62D25/10; B21D47/00; B32B3/30; E04C2/30; G10K11/16

WO2007010868A1

2007-01-25

JP2004218232A	2004-08-05
JPH06226889A	1994-08-16

AICHI, Takahashi, Iwakura & Associates (JP)
Patent business corporation あいち international patent firm (JP)

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