Patent ID: 6330747
Filing Date: 2001-12-18
Classification: B23P,F02B,F28D,F28F,Y02T,Y10T

Abstract:
A method of making a heat exchanger comprising the steps of:a) providing a combined molded header and tank having a header portion integral with a tank portion, the molded header and tank combination having at least one opening originally molded in the header portion of the combination and at least one opening originally molded in the tank portion of the combination for passage of fluid into or out of the header and tank combination;b) providing a tube from a heat exchanger core for insertion within the header portion molded opening;c) providing a resilient grommet having a body portion for extending within the header portion molded opening;d) thereafter inserting said grommet into said header portion molded opening; ande) inserting said tube into said header portion molded opening and through said grommet body portion to seal said tube to said header portion opening.