US 11,718,050 B2
Systems and methods for adhesive-injected patch repair
Joseph L. Hafenrichter, Chicago, IL (US); Gary E. Georgeson, Chicago, IL (US); and Marc J. Piehl, Chicago, IL (US)
Assigned to The Boeing Company, Arlington, VA (US)
Filed by The Boeing Company, Chicago, IL (US)
Filed on Dec. 15, 2021, as Appl. No. 17/551,322.
Claims priority of provisional application 63/126,910, filed on Dec. 17, 2020.
Prior Publication US 2022/0194032 A1, Jun. 23, 2022
Int. Cl. B29C 73/24 (2006.01); B29C 73/02 (2006.01); B29L 31/30 (2006.01)
CPC B29C 73/025 (2013.01) [B29C 73/24 (2013.01); B29L 2031/3076 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
placing a repair patch over a repair area of a structure, the repair patch comprising a repair-patch hole;
sealing the repair patch and repair area with a vacuum bag having a seal ring around a periphery of the vacuum bag;
evacuating, via an adhesive injection apparatus attached to the repair-patch hole and the seal ring of the vacuum bag, the repair area and an injection channel of the adhesive injection apparatus; and
forcing adhesive through the evacuated injection channel and into the evacuated repair area.