| 摘要 |
PROBLEM TO BE SOLVED: To enhance workability and reduce waste of materials, while reducing the generation of a positioning error and a strain in coupling to the utmost. SOLUTION: A rear pillar part 2 and a roof rail part 3 for forming a door opening part 4 are formed integrally, and a connection end 2A to a front pillar part in the roof rail part 3 is extended upto a position for forming a front side corner 12 of the door opening part 4 to be coupled to the front pillar part 1. |
