Patent ID: 6548791
Filing Date: 2003-04-15
Classification: B21D,B23K

Abstract:
A high current induction tool assembly for use in a magnetic pulse welding and forming system, said induction tool assembly being effective for generating a high velocity repulsive magnetic force to collapse materials positioned therein, said induction tool comprising:a first quarter coil having an inner peripheral edge, an outer peripheral edge, an upper end, a lower end and a contact plate at said lower end thereof; a second quarter coil having an inner peripheral edge, an outer peripheral edge, an upper end, a lower end and a contact plate at said lower end thereof; a semi coil having an inner peripheral edge, an outer peripheral edge, a first end and a second end; and a means for selectively holding said first end of said semi coil in electrical communication with said upper end of said first quarter coil and said second end of said semi coil in electrical communication with said upper end of said second quarter coil.