| 摘要 |
PURPOSE: A method for manufacturing plastic bottles is provided to easily imprint consumers with the image of products with the shape of the product by forming a dented part displaying the image on a molded product. CONSTITUTION: A method for manufacturing plastic bottles comprises the following steps: supplying melted thermoplastic resin to a preform mold and molding a preform (S110); inserting the preform into the mold and molding the preform by injecting high pressure air into the inside of the preform (S120); cooling a molded product and discharging the molded product from the mold (S130); and coloring a part of the molded product and forming images (S140). [Reference numerals] (S110) Step of molding a preform; (S120) Step of molding a product; (S130) Step of discharging the molded product; (S140) Step of coloring a part of the molded product |
