Patent ID: 8945321
Filing Date: 2015-02-03
Classification: B29C

Abstract:
1. A method of reworking an area, known as a rework area, of a structure having a first side and a second side, comprising: forming a resin flow hole through the structure in the rework area, from the first side of the structure to the second side of the structure; placing a fiber preform on the first side of the structure, the fiber preform comprising multiple plies; placing a vacuum bag over the fiber preform; sealing the vacuum bag to the first side of the structure around the fiber preform; flowing resin into the preform; drawing a vacuum in the bag to apply compaction pressure to the fiber preform; impregnating the fiber preform with resin by using the compaction pressure to drive the resin through the preform and into the resin flow hole to the second side of the structure; and controlling a resin flow wavefront by flowing resin through the preform and into the resin flow hole.