| 摘要 |
Apparatus for hot runner injection moulding includes a plunger reciprocable in a bore to inject molten synthetic resin material from a nozzle portion of the bore in a die cavity difining the shape of the article to be produced. Further the apparatus includes means thermally insulating the nozzle portion of the bore from the die when the apparatus is in use with the nozzle portion in position adjacent the die cavity. |
