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:
Jan. 25, 1983
Filed:
Feb. 04, 1981
Applicant:
Inventor:
Jean-Pierre Moranne, Saint-Leu-La-Foret, FR;
Assignee:
Societe Anonyme des Usines Chausson, Hauts de Seine, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28F / ;
U.S. Cl.
CPC ...
165175 ; 165178 ;
Abstract
The tube has an oblong shape in cross-section with smaller sides rounded. The two ends of the tube are shaped so that the larger sides are formed with concavities making that in cross-section said two ends have a figure 8 shape over a portion of height corresponding at least to height of insertion of the tube in a tube plate.