DIE FOR COINING RADIUS AND FLANGE OF BOX PARTS Russian patent published in 1997 - IPC

FIELD: mechanical engineering. SUBSTANCE: die has top and bottom plates, die, punch, pusher, device for removing, ties provided with movable stops and secured to the top plate, counter-pressing out members mounted on the bottom plate, and levers mounted for permitting rotation in the vertical plane. Each lever is made up as a frame with a groove that encloses counter-pressing out members and tie with a stop. The lever is provided with a roller mounted in the groove for permitting interaction with the movable stop. EFFECT: improved design. 5 dwg