LEAD-SEALING LOCK Russian patent published in 1999 - IPC

FIELD: locking devices. SUBSTANCE: lead-sealing lock has flexible embracing member with head-piece, body with through-hole, and resilient stopping collet located inside aforesaid through-hole. Stopping collet has longitudinal slots made in both sides of collet. Slots in one side are cut in intervals between slots which are cut in other side of collet. Internal space of body is of taper form. Made in collet walls and actually in its longitudinal slots are seating places for positioning of stopping members in them which are made in the form of bodies of revolution. Collet is spring-biased relative to plug which closes hole in body at side of larger diameter of tapered space. Collet is made so that at closing of lead-seal, flaps of collet together with stopping members located in collet flaps are interacting with taper space of body and with flexible embracing member. Application of aforesaid embodiment of lead-sealing lock gives higher reliability of lead-sealing with possibility of fully tightening of embracing member loop when lead-sealing lock is installed in the form of loop. EFFECT: higher efficiency. 6 cl, 7 dwg