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:
Apr. 06, 2010
Filed:
Oct. 04, 2005
Achim Büerger, Hoehr-Grenzhausen, DE;
Adrianus Jacobus Wittebrood, Velserbroek, NL;
Nicole Cornelia Maria Agatha Smits, Haarlem, NL;
Achim Büerger, Hoehr-Grenzhausen, DE;
Adrianus Jacobus Wittebrood, Velserbroek, NL;
Nicole Cornelia Maria Agatha Smits, Haarlem, NL;
Aleris Aluminum Koblenz GmbH, Koblenz, DE;
Abstract
Disclosed is a tube made of a profile rolled metal product, in particular for use in heat exchangers, a rolled metal product and a method of producing the same. The tube includes a first wall and a second wall forming two opposing sides of the tube, and a plurality of reinforcing structures connecting the first and second walls and forming longitudinal passages between them. Each reinforcing structure is formed by a longitudinal ridge on the first wall projecting towards the second wall and a longitudinal ridge on the second wall protecting towards the first wall. The ridges are joined to each other at their sides.