The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 20, 1994
Filed:
Apr. 22, 1993
Applicant:
Inventors:
Pascal Velluet, Cernay la Ville, FR;
Jacques Hoffnung, Ile Saint Denis, FR;
Assignee:
Valeo Thermique Moteur, Saint-Oden Cedex, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28F / ;
U.S. Cl.
CPC ...
165173 ; 165178 ;
Abstract
A heat exchanger, especially a cooling radiator for motor vehicle engine, comprises a multiplicity of tubes of oblong cross section, each having an end portion fitted in a corresponding hole formed in a header plate, the joint being sealed by means of a sealing gasket. The sealing gasket has a tubular portion compressed between each tube end portion and an internal surface of the corresponding hole in the header plate, each tube end portion being formed with a peripheral bead spaces away from the terminal edge of the tube.