METHOD OF SEALING-UP BOLTED JOINTS IN PRESSURIZED COMPARTMENTS Russian patent published in 1996 - IPC

FIELD: sealing-up bolted joints in pressurized compartments. SUBSTANCE: to avoid loosening in bolted joints in units of integral tanks and escape of fuel through clearances between fasteners in the vicinity of these units, members to be connected are provided with projections and sealant is applied between web of frame and panel, as well as between web of bracket and panel, but for area of projections. Sizes of projections by radius from bolt axis and over contact surface exceed radius of circle of pressure cone over the same surface. Height of projection on one of engageable part when projection is made on one part only or total height of projections when they are provided on both engageable parts is selected according to required thickness of sealant. EFFECT: higher reliability. 3 cl, 1 dwg