ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,461, issued on June 3, was assigned to L&P Swiss Holding GmbH (Wittenbach, Switzerland).
"Machine and method for roll-packing of mattresses" was invented by Stjepan Vadlja (Cakovec, Croatia), Stjepan Kranjcec (Cakovec, Croatia) and Dinko Ursic (Trnovec Bartolovecki, Croatia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A roll-packing machine (100) is provided with a belt drive mechanism having a closed-loop belt (110). Further, the roll-packing machine (100) is provided with a feed mechanism (130, 140) configured to feed a mattress (10) to the belt (110). The belt drive mechanism is configured to form an inner loop (115) of the belt, to receive the ...