Patent 7565727 was granted and assigned to Babcock & Wilcox Canada on July, 2009 by the United States Patent and Trademark Office.
The invention is related to an improved method of removing tubes from tubes sheets. The improved method softens and elongates a tube circumferentially surround by tube sheet, wherein the softening and elongating steps allow for quick and easy removal of the tube from the tube sheet without damaging the tube sheet or tube seats.