Pultrusion process to form specially shaped pieces for transforming electric current into diffused heat
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United States of America Patent
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Apr 29, 2003
Grant Date -
N/A
app pub date -
Apr 16, 2001
filing date -
Nov 12, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Process for producing tubular shaped pieces (105) having a rectangular cross section of low height, to transform electric current into diffused heat, by means of pultrusion, with continuous formation, added to known reinforcing materials such as roving (60) and mats (65) of fibreglas, on one broad side of the shaped piece (105), of one or more parallel nets (72, 73) of a weft woven (80, 81) fabric made from a continuous wire (77) of highly conductive material coated with insulating material (78), connected at set intervals to devices (111, 112) of electric sockets incorporated in the plastic material (50) so that, when the shaped piece (105) is cut through at the position of the devices (111, 112) to form electric sockets, and by filling the panels with insulating foam material (145) oblong panels (116) are obtained utilizable for innumerable purpose
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