Self-sealing one-piece vacuum fitting for bagging of composite materials

摘要

A vacuum fitting having a check valve for use in bagging composite parts prior to and during the during process, in which the body of the vacuum fitting is formed from a single piece of material, and the check valve has no loose fitting parts is disclosed. The vacuum fitting has a one-piece body portion having a base flange, a central neck portion, and a top quick-connect fitting adapted for releasable connection to a conventional vacuum source. The check valve is disposed within the central neck portion with a snap ring.