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. 31, 1984
Filed:
Jul. 16, 1981
Applicant:
Inventor:
Stephen W Blakely, Alton, IL (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28F / ;
U.S. Cl.
CPC ...
165183 ; 2915 / ; 126446 ; 138143 ; 138152 ; 228150 ; 2281 / ; 228183 ;
Abstract
A heat absorbing element formed from a single metal strip of substantially uniform thickness, comprising a tube having a wall comprising at least a double thickness of strip seamed along a line extending longitudinally of the tube to seal the tube for flow therethrough of a heat transfer fluid, and a fin along the tube stretching out from the seam line, the fin comprising at least one less thickness of strip than the tube wall. A method of manufacturing such an element is also disclosed.