Patent ID: 9114555
Filing Date: 2015-08-25
Classification: B29C

Abstract:
1. A vent apparatus for use with a mold defining a cavity and an opening extending into the cavity, the vent apparatus comprising: a vent tube portion configured to be located within the opening of the mold, wherein the vent tube portion extends from a first end region to a second end region along an axis and defines a passageway extending from the first end region to the second end region configured to allow airflow between the cavity of the mold and outside of the mold; and a secondary tube portion configured to mate with the first end region of the vent tube portion, wherein the secondary tube portion comprises a valve region defining a surface that extends perpendicular to the axis when the secondary tube portion is mated with the first end region of the vent tube portion, wherein the surface defines a plurality of openings to allow airflow through the valve region from the passageway of the vent tube portion to outside of the valve region, wherein the vent tube portion defines an outer surface, and wherein the secondary tube portion is configured to be mated around the outer surface of the vent tube portion.