US Patent 10124570 Methods for additively manufacturing composite parts

A method of additively manufacturing a composite part is disclosed. The method comprises applying a thermosetting resin to a non-resin component of a continuous flexible line while pushing the non-resin component through a delivery guide and pushing the continuous flexible line out of the delivery guide. The continuous flexible line further comprises a thermosetting resin component that comprises at least some of the thermosetting resin applied to the non-resin component. The method further comprises depositing, via the delivery guide, a segment of the continuous flexible line along the print path.