| 摘要 |
PURPOSE: A bottom support cap of a packing container is provided, which can seal an air channel effectively and reduce production cost. CONSTITUTION: A bottom support cap of a packing container comprises: a nozzle head elevation opening formed in the top; a content receiving container(10) equipped with a content inlet opening part in the lower part; a nozzle head(20) which is assembled with the nozzle head elevation opening of the content receiving container and in which a content seal piston(30) is assembled; a bottom support cap(40) including an air channel in the plate portion; and a cover member(50) covering the content receiving container; and an air channel sealing member(100). |
