ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,391,509, issued on Aug. 19.
"Folding machine for paper and soft folding material" was invented by Karl Zechner (Mariazell, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a folding machine for paper and soft folding material, comprising a supporting frame (1), in which a rotary bearing (2) is rotatably mounted, the rotary bearing containing mutually parallel rotatable working rolls (17, 18, 19), wherein: a pressing device (6) for pressing the paper (39) onto positions of the rotary bearing (2) is provided, and an outer control element (7) which is rotated conjointly with the rotary bearing is provided: the pressing device...