VENT APPARATUS

摘要

A vent apparatus for use in a mold defining an opening that includes a vent tube portion configured to extend through the opening of the mold and a secondary tube portion configured to mate with the first end portion of the vent tube portion. For example, the secondary tube portion may be used to seal the passageway at the first end portion and may define one or more membrane regions configured to melt during a mold process to unseal the passageway.

主权项

1. A vent apparatus for use in a mold defining an opening comprising:
a vent tube portion configured to extend through the opening of the mold, wherein the vent tube portion extends from a first end portion to a second end portion along an axis and defines a passageway extending from the first end portion to the second end portion, wherein the vent tube portion defines an inner surface and an outer surface; and a secondary tube portion configured to mate with the first end portion of the vent tube portion to seal the passageway at the first end portion, wherein the secondary tube portion comprises an inner surface and an outer surface along an axis and extends over at least a portion of the outer surface of the vent tube portion or extends within and along at least a portion of the inner surface of the vent tube portion, wherein the secondary tube portion defines one or more membrane regions configured to melt during a mold process to unseal the passageway.