liaison committee for constructive elements particularly for plates

摘要

Two members (8, 9) are fastened together by a rivet having a head (2), and a shaft formed with grooves (6) to receive a collar (11) which is swaged on by the action of a chuck (14) and deformation sleeve (13). The grooves (6) being of incrementally increasing diameter so that the shaft breaks off at the groove closest to the end of the collar (11) after the deformation of the collar (11) has been completed and under the continued traction of the chuck (14) applied to the end part (5) of the shaft. IMAGE