| 摘要 |
[PROBLEMS] To provide a square can that even when the thickness of a steel sheet as a raw material is reduced, realizes a desired durability against any partial load especially in corner areas. [MEANS FOR SOLVING PROBLEMS] The square can is one comprising trunk part (10) of approximately square-shaped tubular body and, respectively joined to both open ends thereof, end plates (20a,20b), wherein the apical portion (18top) of each of the corner portions (18a,18b,18c,18d) of the trunk part (10) is provided with a pair of vertical reinforcing protruding beads (15a,15b) respectively extending from both the ends and projecting outward. |
