Уфимский авиационный институт им.Серго Орджоникидзе
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Priority to SU4410688/27ApriorityCriticalpatent/SU1533089A1/en
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FIELD: plastic metal working, manufacture of parts such as blades with two inclined locks. SUBSTANCE: device includes stepped punch, stop, drive frame with working surface inclined towards punch and inserts with flanges. In descent of punch, its first stage locks frame on stop and frame moves down over punch bending locking parts of blank by its inclined surfaces and placing their upper parts in recesses of punch. EFFECT: improved quality of blades. 2 dwg
SU4410688/27A1988-04-151988-04-15Device for manufacture of parts
SU1533089A1
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