ATTACHMENT FOR MAKING CONE SHELLS IN ROLL SHEET BENDING MACHINES Russian patent published in 2004 - IPC

FIELD: plastic metal working by drawing metal between rolls of sheet bending machine. SUBSTANCE: attachment includes housing embracing roll of roll type sheet bending machine and rigidly mounted support arranged in groove of housing and being in the form of cleat whose protruded end is freely introduced to groove of bracket rigidly secured to strut limiting rotation angle of housing around upper roll. Other end of cleat serves as guiding stop for blank; it is in the form of cone surface and has high rigidity and surface roughness degree. EFFECT: lowered size of attachment, enhanced efficiency of process. 5 dwg