ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,923, issued on June 30, was assigned to Valmet AB (Sundsvall, Sweden).
"Through-air apparatus with a shroud" was invented by Jan Skawski (Wilton, Maine).
According to the abstract* released by the U.S. Patent & Trademark Office: "A through-air apparatus for drying or bonding paper, tissue, or nonwoven webs is provided. The through-air apparatus includes a through-air roll configured for rotational movement about a first axis, the through-air roll having a first end and a second end. The through-air apparatus includes an exhaust duct/passage adjacent to the first end of the through-air roll, and a hood encompassing a portion of the through-air roll, where the hood defines an activ...