| 摘要 |
PROBLEM TO BE SOLVED: To develop a method for manufacturing a plastic hollow product without requiring or principles many treating steps, a large apparatus cost as well as a high temporal cost and expenses for manufacturing a multiplayer plastic hollow product. SOLUTION: The method for manufacturing the plastic hollow product comprises the steps of (a) molding a blow molding member in a blow molding machine and/or a simultaneous extrusion blow molding machine, (b) cutting an inside bent part and/or an outside bent part (4) while maintaining at least two semi-finished products, (c) mounting, in some cases, a built-in member inside the semi-finished product before connecting the semi-finished product and changing the product to a hollow product, and (d) changing, in some cases, the semi-finished product to the hollow product by connecting the semi-finished product by welding or adhering. |
