US 10,888,892 B2
Protecting hole in component during coating process using plug with water soluble layer
Yan Cui, Greer, SC (US); Srikanth Chandrudu Kottilingam, Greenville, SC (US); Jonathan Matthew Lomas, Simpsonville, SC (US); and Brian Lee Tollison, Honea Path, SC (US)
Assigned to General Electric Company, Schenectady, NY (US)
Filed by General Electric Company, Schenectady, NY (US)
Filed on Aug. 23, 2018, as Appl. No. 16/110,569.
Prior Publication US 2020/0061662 A1, Feb. 27, 2020
Int. Cl. B05B 12/26 (2018.01); B05C 21/00 (2006.01); B05C 3/20 (2006.01); B05D 1/32 (2006.01); B05D 1/18 (2006.01)
CPC B05C 3/20 (2013.01) [B05D 1/18 (2013.01); B05D 1/32 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A plug for retaining a hole in a component during a coating process, the plug comprising:
a water insoluble core; and
a water soluble layer surrounding at least a portion of an outer surface of the water insoluble core, the water soluble layer engaging an internal surface of the hole during the coating process.