HAT-SHAPED ELEMENT AND METHOD OF MAKING THE HAT-SHAPED ELEMENT

摘要

A hat-shaped member (1) includes: a pair of vertical wall portions (10); a top surface portion (20); a pair of flange portions (30); a pair of upper corner parts (40) configured to connect the respective pair of vertical wall parts (10) and the top surface part (2). The hat-shaped element (1) comprises a first hat part (100) and a second hat part (200) configured to be arranged in a longitudinal direction (L). A second top surface portion (220) of the second cap portion (200) includes a contraction top surface portion (222) that extends at a position below the pair of upper corner portions (240) in a direction along the width and extending portions (224) which extend from the respective pair of corner portions (240) to the contracting top surface portion (222). Abstract Figure: Figure 1