Device for humidifying hardboard

Claim 1

A HUMIDIFICATION DEVICE COMPRISING AN OUTER RECTANGULAR CASING, A SIMILARLY SHAPED INNER CASING IN SPACED RELATIONSHIP WITH SAID OUTER CASING, EACH OF SAID CASINGS HAVING OPPOSED SIDE WALLS AND END WALLS PROVIDING AN INNER CHAMBER AND AN OUTER CHAMBER, HEATING MEANS FOR MAINTAINING A HEATED ATMOSPHERE IN SAID OUTER CHAMBER, AN INLET OPENING IN AN END WALL OF EACH OF SAID CASINGS AND AN OUTLET OPENING IN THE OPPOSED END WALL OF EACH OF SAID CASINGS, SAID OPENINGS ADAPTED TO ENABLE THE PASSAGE THERETHROUGH OF SHEET ARTICLES, GATE ELEMENTS HINGED TO THE END WALLS IMMEDIATELY ABOVE THE OPENINGS, CONVEYING MEANS WITHIN SAID INNER CHAMBER ADAPTED TO SUPPORT AND CONVEY THERETHROUGH SAID SHEET ARTICLES IN SUBSTANTIALLY UPRIGHT SPACED-APART RELATIONSHIP, LONGITUDINALLY EXTENDING SUPPLY DUCTS POSITIONED ALONG THE TOP OF SAID INNER CHAMBER PARALLEL TO AND ADJACENT TO THE SIDE WALLS THEREOF, A PLURALITY OF NOZZLES PROJECTING DOWNWARDLY FROM SAID SUPPLY DUCTS ADAPTED TO FORCIBLY DISCHARGE A HEATED HUMID GASEOUS MEDIUM DOWNWARDLY ALONG THE SIDE WALLS OF SAID INNER CHAMBER, AND AN EXHAUST DUCT POSITIONED ALONG THE TOP OF SAID INNER CHAMBER TO REMOVE THE GASEOUS MEDIUM FROM THE CHAMBER.