Bonded product of a closed loop

摘要

Compound article with a closed loop of sheet material having at sonryagaemyh sides preform vnadiny and protrusions characterized in that the workpiece nredvaritelno felled on a unilateral shtamne, aligned on bending paired protrusions and depressions in its place in this section with press fit blockage end a mating side with an interference fit, equal magnitude cleaved through blockage of the mating end of the other side before combination.; .9; Authors; Shubin VV Martinson AIO Shubin D. ShihovaL.V.