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:
Apr. 22, 1997
Filed:
Nov. 27, 1995
Philip C Van Riper, Holland, OH (US);
Gene A Ellerbrock, Columbus Grove, OH (US);
Aeroquip Corporation, Maumee, OH (US);
Abstract
The present invention is a method for forming a flange on a tube. The method of the present invention includes the steps of: (a) placing a tube having a tube axis extending longitudinally therethrough on a support device for supporting the tube, the tube having an edge defining an opening, the support device having a predetermined flange shape surface adjacent the edge; (b) positioning a tip having a tip axis extending longitudinally therethrough adjacent the edge, the tip having a substantially hyperbolioidal shape, the tip axis being at a predetermined angle with respect to the tube axis, the tip rotating along the tube and tip axes; (c) inserting the rotating tip in the opening of the tube; and (d) engaging the edge with the tip to cause the edge to contact the predetermined flange shape surface to form a flange on the tube.