Injection molding machine system, mold, and method for molding molded article

A molding method for molding a molded article in an injection molding machine system,

• the injection molding machine system including:
• an injection molding machine;
• a mold provided in the injection molding machine;
• a heater device;
• and
• a blessing device,
• the mold being configured to form at least two or more primary molding cavities and at least one or more secondary molding cavities upon being closed or clamped, the molding method comprising:
• an injection molding step comprising molding two or more primary molded articles each having a bonding end surface by clamping the mold and injecting an injection material into the two or more primary molding cavities;
• a mold opening step of opening the mold;
• a conveying step comprising taking out the primary molded articles from the two or more primary molding cavities and inserting the pair of primary molded articles into the secondary molding cavity;
• a melting step comprising inserting the heater device between the bonding end surfaces of the pair of primary molded articles inserted into the secondary molding cavity to melt the bonding end surfaces;
• and
• a press-fusion step comprising retracting the heater device, closing or clamping the mold, and using the pressing device to press and fuse the pair of primary molded articles having the molten bonding end surfaces against each other in the secondary molding cavity to obtain a molded article.