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:
Nov. 30, 1999
Filed:
Sep. 23, 1996
Applicant:
Inventors:
Andrew I Lowenstein, Princeton, NJ (US);
Marc J Sibilia, Blawenburg, NJ (US);
Assignee:
Gas Research Institute, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28F / ;
U.S. Cl.
CPC ...
165 46 ; 165905 ;
Abstract
A thin plastic-film heat exchanger element for apparatus, such as absorption chillers, is provided, having improved strengthening in the turning regions of the fluid passages, for enhanced resistance to bursting. A method of manufacture, for reduced wrinkling or pleating in the turning regions, is also disclosed.