Abstract: A vacuum bag assembly may include a bagging film and a tube bag. The bagging film may have a bagging film length and may be positioned over a composite layup and sealed to a tool surface having an inside corner. The tube bag may have opposing tube ends and a tube bag length and may be positioned over the composite layup along a length of the inside corner. Each one of the tube ends may be sealed to the tool surface along a first portion of a tube end perimeter edge and may be sealed to the bagging film along a second portion of the tube end perimeter edge such that each one of the tube ends is openable to atmosphere.

Abstract: A vacuum bag assembly may include a bagging film and a tube bag. The bagging film may have a bagging film length and may be positioned over a composite layup and sealed to a tool surface having an inside corner. The tube bag may have opposing tube ends and a tube bag length and may be positioned over the composite layup along a length of the inside corner. Each one of the tube ends may be sealed to the tool surface along a first portion of a tube end perimeter edge and may be sealed to the bagging film along a second portion of the tube end perimeter edge such that each one of the tube ends is openable to atmosphere.

Abstract: A composite item is fabricated in system that includes a layer of preform, supply of resin, mandrel, and bagging film. The layer of preform corresponds to the composite item. The supply of resin is sufficient to infuse the preform. The mandrel includes a preform receiving zone to receive the layer of preform and a resin receiving zone to receive the supply of resin. The resin receiving zone is adjacent to the preform receiving zone. The bagging film is operable to generate an envelope surrounding the preform receiving zone and the resin receiving zone.