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:
Feb. 22, 2005
Filed:
May. 24, 2002
John P. Barber, Dayton, OH (US);
Robert M. Columbus, Centerville, OH (US);
Bruce D. Kouse, Springfield, OH (US);
Duane C. Newman, London, OH (US);
John P. Barber, Dayton, OH (US);
Robert M. Columbus, Centerville, OH (US);
Bruce D. Kouse, Springfield, OH (US);
Duane C. Newman, London, OH (US);
IAP Research, Inc., Dayton, OH (US);
Elliott Tool Technologies Ltd., Dayton, OH (US);
Abstract
A system and method for expanding, joining or securing a plurality of tubes by electromagnetic expansion to a plurality of sheets in a tubular heat transfer system. The system and method involve the automatic sensing and positioning of a electromagnetic coil in operative relationship with at least a portion of a tube and an inner wall of a sheet and then energizing the electromagnetic coil to expand the portion of the tube to engage the inner wall of the sheet, thereby securing the tube thereto. A tubular heat transfer system tube expander and method are also shown.