US Patent Issued to Vicon Machinery on Oct. 21 for "Roller member for use in an apparatus for closing pittsburgh seams associated with duct assemblies and other box-shaped members" (Missouri Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,157, issued on Oct. 21, was assigned to Vicon Machinery LLC (Pevely, Mo.).

"Roller member for use in an apparatus for closing pittsburgh seams associated with duct assemblies and other box-shaped members" was invented by Dale R. Foster (Barnhart, Mo.) and Bert Michael Fischer (Festus, Mo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vertical Pittsburgh Seam closing apparatus having a base supporting surface, a track mechanism for moving a carriage assembly which holds seam forming members used to close a Pittsburgh Seam, a pair of upper and lower guide members for guiding the duct section into a proper vertical position, and upper and lower clam...