ZHEJIANG UKPACK PACKAGING CO,.LTD

INJECTION

I

Plastic pellets are fed into the hopper. The Screw conveys and melts the pellets. The melted plastic is forced into the mold and the part is formed and cooled. The mold opens and the part is ejected.

INJECTION

I

The parison is clamped into a mold and air is blown into it. The air pressure then pushes the plastic out to match the mold. Once the plastic has cooled and hardened the mold opens up and the part is ejected.

INJECTION STRETCH BLOW

I
The Parison is heated or cooled specific locations to prepare for stretch blowing. The parison is clamped into a mold and air is blown into it. The air pressure then pushes the plastic out to match the mold. Once the plastic has cooled and hardened the mold opens up and the part is ejected.

EXTRUSION BLOW

E

Parison is heated and captured by closing it into a cooled metal mold. The air pressure then pushes the plastic out to match the mold. A trimmer cuts off the excess plastic on the top and bottom of the Bottle and is ejected from machine.