Layered wing coil for an electromagnetic dent remover

A method for making an electromagnetic coil assembly, comprising:

• forming a first helix and a second helix, each helix having a first end and a second end and a substantially oval cross-section, the cross-section having a major axis;
• bending each helix at an angle along a line in the plane of the cross-section parallel to and offset from the major axis resulting in a first planar surface including the major axis and a second planar surface, each planar surface having an outer edge opposite the offset line;
• orienting the first and second helixes such that the outer edges of the respective second planar surfaces coincide and the outer edges of the respective first planar surfaces are in diametric opposition;
• affixing the first helix to the second helix by their respective second planar surfaces;
• and
• connecting electrically the second end of the first helix to the second end of the second helix.

An electromagnetic dent remover for electromagnetically removing dents from conductive materials, the dent remover comprising:

• a power source configured to produce a first pulse having a predetermined polarity and rise time and a second pulse having a polarity opposite to the predetermined polarity of the first pulse and a rise time shorter than the rise time of the first pulse;
• a control circuit coupled to the power supply means for causing the power supply to produce the first pulse at a first time and the second pulse at a second time subsequent to the first time;
• and,
• an electromagnet assembly for receiving the first pulse at the first time and the second pulse at the second time, the electric coil being formed from a substantially flat strip of an electrically conductive metal, the strip having opposite planar surfaces at least one of which is covered by a dielectric material, the strip having first and second end portions, the strip being wound in a coil disposing the opposite planar surfaces substantially adjacent to each other, the coil being disposed about an axis of symmetry configured to concentrate electromagnetic flux at a midpoint on the axis of symmetry.