| 摘要 |
<p>The plate (4) has two large sides (26), two small sides (28) and a peripheral edge (30) that is contained in a plane (P) and forms a connection zone, where the plate is made of pressed metal sheet having thickness lower than or equal to 35 millimeters. A wall (40) perpendicularly extends to the plane containing the peripheral edge. The wall is placed on a part of one of the large sides and on length of one of the large sides. The metal sheet includes a fin and a notch that are placed on the peripheral edge. An independent claim is also included for a flat tube comprising two plates.</p> |
