Patent ID: 6089851
Filing Date: 2000-07-18
Classification: B29C

Abstract:
A mold block for use in a moving mold tunnel, said mold block comprising first and second mold block sections each of which has a product shaping interior surface and a parting face, each mold block section further having an air movement passage therein with said passage having an entrance, a first opening to the product shaping interior surface and a second opening to the parting face, the second opening of the passage in the first mold block section being in communication with the second opening of the passage in the second mold block section when the mold block sections are closed at their parting faces with one another, and first and second air flow controllers movable independently of one another between an air flow and an air blocking position, said first air flow controller being located between the first and the second opening in the passage in the first mold block section, and the second air flow controller being located between the entrance and the first opening in the second mold block section.