Patent ID: 6347663
Filing Date: 2002-02-19
Classification: F28F

Abstract:
A method of positioning a fitting relative to a manifold of a hear exchanger, the method comprising the steps of:providing a manifold including a wall having an aperture therethough; providing a fitting including a body, a nipple extending from the body and having an interior surface and an opening extending through the body to allow access to the interior surface; inserting the nipple into the aperture from one side of the wall so that the body of the fitting is on one side of the wall and a portion of the nipple is on the other side of the wall; deforming the interior surface of the nipple with a deforming tool inserted through said opening in said body when the nipple is on the other side of the wall to enlarge said portion to a shape that restricts retraction of said nipple from said aperture; and brazing the fitting to the manifold.