ТРУБА

摘要

FIELD: rigid pipes. ^ SUBSTANCE: pipe comprises thermoplastic shell with the locking collar and fiber glass layer which embraces it. The collar is made of an unclosed ring secured to the shell through a glue-melt. The pipe is provided with an additional device for securing the ring. The device which is made of a layer of adhesive belt which embraces the ring and shell sections which abuts against it. ^ EFFECT: enhanced reliability and simplified assembling. ^ 1 dwg