US Patent Issued to KORBER TISSUE FOLD on May 5 for "Suction roll of a web, or sheet, of paper in a paper converting machine" (Italian Inventors)

ALEXANDRIA, Va., May 5 -- United States Patent no. 12,617,644, issued on May 5, was assigned to KORBER TISSUE FOLD S.R.L. (Porcari, Italy).

"Suction roll of a web, or sheet, of paper in a paper converting machine" was invented by Sergio Lombardi (Viareggio, Italy) and Daniele Damiani (Coreglia Antelminelli, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "A suction roll of a web, or sheet, of paper, includes a tubular body that rotates about a longitudinal rotation axis. External and internal lateral surfaces of the suction roll pneumatically communicate with each other through suction holes. The roll includes a suction chamber pneumatically connected to a vacuum generation device for generating a predet...