FIELD: plastic metal working, particularly cold forming, possibly strengthening parts having closed or non-closed curvilinear beads. SUBSTANCE: apparatus for strengthening part with curvilinear bead in zone of radius of joining of bead and wall includes punch, container with elastic medium in the form of metallic sleeve and upper plate mutually joined through supporting ring and elastic washer. EFFECT: enhanced operational reliability of parts due to their improved strength and rigidity. 4 dwg
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Authors
Dates
2001-11-10—Published
2000-01-12—Filed