RIVET FOR BLIND RIVETING Russian patent published in 1999 - IPC

FIELD: aircraft manufacture; riveting. SUBSTANCE: blind rivet has body 1 with concave starting chamfer on outer surface having taper section at angle of 6 to 10 deg on one side and manufactured head on other side and with axial hole where core 6 is fitted at negative allowance; core has head at one and technological knurled end-piece 8 at other end. Working portion of core (6) is provided with circular recess and deformable bush (13); bush (13) is mounted between head of core and end of body with starting chamfer. Locking ring (14) of shaped profile is located between body and core; removable thrust plate (15) is located on side of outer surface of manufactured head of rivet. EFFECT: improved quality; reduced overall dimensions and facilitated manufacture. 3 dwg