| 摘要 |
A method of joining a vehicle back door (10), the method including forming a closed cross section (50) by joining, with an adhesive (42), an inner panel (12) made of resin and an outer panel (30) made of resin to each other; and inserting a first holding jig (60) inside the closed cross section (50) from a hole portion (40B) formed in the outer panel and allowing the adhesive (42) to harden in a state in which a joint portion between the inner panel (12) and the outer panel (30) is sandwiched between and held by the first holding jig (60) and a second holding jig (62) placed outside the closed cross section (50). |
