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:
Oct. 28, 1980
Filed:
Jun. 11, 1979
Michael E Wendt, Mt. Washington, KY (US);
Gerald J Kushner, Louisville, KY (US);
General Electric Company, Louisville, KY (US);
Abstract
Damaged end portions of tubes are repaired from a multi-tube finned coil in which the tubes are expanded into intimate contact with the fins. The method consists of removing the damaged end portion of the tube adjacent the area in which the tube projects from the coil body. A replacement stub tube member having one end dimensioned to be similar to the removed end portion and the other end portion dimensioned to be inserted into the coil tube. After the end portion dimensioned to be inserted in the coil tube is arranged therein, a portion thereof is expanded so that its inner diameter is at least equal to that of the tube coil.