Air guiding conduit for use in hole of air duct of mold e.g. for directing air passage in mold, has guide engaged in hole for evacuating air in mold such that large particles in mold does not escape and air in mold is evacuated by hole

摘要

The conduit has a stop block (1) and a round cylinder intended to stop a product. An air guide (3) comprises axial trenches (20) extending from a body of the air guide. A collar (2) is installed between the stop block and the air guide. The air guide is utilized to guide evacuation of air toward outside. The air guide is narrowly engaged in an evacuation hole for evacuating air in a mold such that large particles in the mold does not escape through the hole and the air in the mold is evacuated by the hole for obtaining final product.