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:
Jul. 11, 2023
Filed:
Nov. 16, 2021
Applicant:
Hvac Inventors/systemation, Inc., Houston, TX (US);
Inventors:
David E. Daw, Houston, TX (US);
John T. Ehling, Edison, NJ (US);
Assignee:
HVAC Inventors/Systemation, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 53/04 (2006.01); B21D 5/16 (2006.01); F24F 13/02 (2006.01);
U.S. Cl.
CPC ...
B21D 53/04 (2013.01); B21D 5/16 (2013.01); F24F 13/0209 (2013.01);
Abstract
An apparatus and method are disclosed for the automated manufacture of a duct flange profile to make small duct fittings, including a TDF duct flange profile. The duct flange profile is directed to small part duct fittings with section widths up to about 16 inches in 20 to 26 gauge metal. The apparatus includes a bending head assembly having a drive roller, a pressure roller, an anvil and a bending leaf and a roll form assembly.