Truitt points to Futuro's use of radio-frequency welding
, which allows it to incorporate such new materials as laminated foams in its braces and supports, as an example of the brand's commitment to that strategy.
What is described as the first radio-frequency welding
system for plastics based on a 500-watt generator rather than the conventional 2 kw is being introduced this month by Sebra of Tucson, Ariz.
Its processes include hot rolling in pilger mills and automatic mills, cold rolling, submerged arc welding, butt welding and radio-frequency welding
. Pipes in more than 3,600 sizes and specifications are made from carbon steel, low-alloyed steel, stainless steel and various alloys.