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:
Jun. 26, 2007
Filed:
Jan. 31, 2005
Michael C. Borwig, Swisher, IA (US);
John J. Toben, Cedar Rapids, IA (US);
Michael C. Borwig, Swisher, IA (US);
John J. Toben, Cedar Rapids, IA (US);
Met-Coil Systems, LLC, Westfield, MA (US);
Abstract
An integral transverse flange for a duct includes a first upturned portion extending substantially perpendicularly from a duct wall of the duct. The flange further includes a second portion bent rearwardly from the first upturned portion, and a third return portion turned toward the duct wall and rounded back toward the first upturned portion from the second portion. A fourth L-shaped portion extends from the third return portion, the L-shaped portion having a first arm arranged adjacent to and in close relation with the second portion and a second arm arranged adjacent to and in close relation with the first upturned portion. A bead is formed in the first upturned portion.