| 摘要 |
The present invention relates to a preheater used in a press molding device for producing an air duct in a vehicle. More specifically, the purpose of the present invention is to provide a preheater which is used in a press molding device for producing an air duct in a vehicle. In the production of the air duct used in an air conditioning apparatus of the vehicle by pressurizing and heating a polyethylene terephthalate (PET)-based resin by means of a press machine, preheating the resin prior to a press molding process can facilitate the molding process for the resin, while remarkably reducing an operation time required for the molding process. Thus, workability and productivity are enhanced. To this end, the preheater comprises a conveyer (100), a preheater (200), and a heating part (300). |
