US 6,981,820 B2
Screed heating arrangement
James J. Nelson, Stillwater, Minn. (US)
Assigned to Caterpillar Paving Products Inc., Minneapolis, Minn. (US)
Filed on Oct. 30, 2002, as Appl. No. 10/284,111.
Prior Publication US 2004/0086336 A1, May 06, 2004
Int. Cl. E01C 19/22 (2006.01)
U.S. Cl. 404—118 12 Claims
OG exemplary drawing
 
1. A screed heating arrangement used on an asphalt paving machine, comprising:
a screed assembly having at least one screed plate connected thereto; and
at least one electric heater bonded directly to an upper surface of said screed plate, and said electric heater, which includes a resistive conductor between a pair of layers, has a thickness in the range of about 101.6 μm (0.004 in) to about 355.6 μm (0.014 in).