| 摘要 |
PURPOSE:To change the shape and size, etc., of a product only by transfer of a movable lip member by providing a plurality of nozzle holes different in the shape and size, etc., to the movable lip member and providing this movable lip member between a lip adapter and a lip presser member. CONSTITUTION:In the case of being inclined to change the shape or size of a product, a movable lip member (rotary disk body) 20 is rotated at a required angle in a state wherein only one part of the circumferential part 21 thereof if pinched between a lip adapter 1 and a lip presser member 10. Thereby the required nozzle hole 23 selected from the nozzle hole 23 group concentrically provided to this circumferential part 21 is matched with the center hole of the lip adapter 1 and the opening of the lip presser member 10. the product having the changed shape or size is extruded, foamed and molded by utilizing the nozzle hole 23 present in such a way. |
