Resin profile joining method and resin profile joining device

A resin profile joining method of joining a pair of resin profiles, the method comprising:

• holding one resin profile and another resin profile of the pair of resin profiles with a first mold and a second mold, respectively, such that end surfaces of the pair of resin profiles are faced each other;
• heating the end surfaces of the pair of resin profiles in no contact with the end surfaces of the pair of resin profiles to melt the pair of resin profiles;
• after the heating, moving each of the first mold and the second mold relative to the pair of resin profiles in a longitudinal direction of a corresponding resin profile of the pair of resin profiles while making the first mold and the second mold in contact with the one resin profile and the other resin profile of the pair of resin profiles, respectively, thereby making the first mold and the second mold in contact with each other while covering between the end surfaces of the pair of resin profiles;
• and
• crimping the end surfaces of the pair of resin profiles to each other while maintaining the first mold and the second mold in contact with the one resin profile and the other resin profile of the pair of resin profiles, respectively, thereby joining the pair of resin profiles.