发明名称 |
METAL PLATE FOR PRODUCING FLAT TUBE, FLAT TUBE AND PROCESS FOR PRODUCING THE FLAT TUBE |
摘要 |
<p>A metal plate (40) for use in producing a flat tube comprising a pair of flat walls opposed to each other, two side walls interconnecting opposite side edges of the two flat walls, and a plurality of reinforcing walls interconnecting the flat walls, extending longitudinally of the tube and spaced apart from one another by a predetermined distance,
the metal plate (40) comprising two flat wall forming portions (12;13) connected together by a joint portion (11), a plurality of reinforcing wall forming portions (14;15) upwardly projecting from each of the wall forming portions (12;13) integrally therewith, and a side wall forming portion (16;17) formed at each of opposite side edges of the plate and upwardly projecting therefrom integrally therewith, the joint portion (11) having a larger thickness than the flat wall forming portions (12;13).</p> |
申请公布号 |
EP1420910(B1) |
申请公布日期 |
2007.01.10 |
申请号 |
EP20020733331 |
申请日期 |
2002.06.06 |
申请人 |
SHOWA DENKO K.K. |
发明人 |
KAIMURA, SATORU;KAWAMATA, YASUJI;TAMURA, TAKASHI;HOSHINO, RYOICHI;OGASAWARA, NOBORU |
分类号 |
B21D53/04;B21B1/08;B21B1/22;B21B1/38;B21B3/00;B21C37/14;B21C37/15;B21D53/06;B21K25/00;F28D1/03;F28F1/02;F28F1/04 |
主分类号 |
B21D53/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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