| 摘要 |
PURPOSE:To provide a raw material filling machine of a synthetic resin having a short cylinder stroke and a compact structure and capable of being reduced in installation space. CONSTITUTION:A raw material flow passage 5 allowing a raw material supply pipe 1 and a raw material supply source to communicate mutually is formed to the outside of the fluid pressure cylinder 3 having the raw material supply pipe 1 connected to the leading end thereof and the piston rod of the fluid pressure cylinder 3 is constituted as a tubular piston rod 9 having a filling opening part opening end closing piston 4 provided to the leading end thereof and fitted to the outside of a fixed air supply pipe 10 having a small air supply hole 11 opened to the leading end thereof in a freely slidable manner. |
