Sheet feeding or delivering – Feeding – By means to convey sheet
Patent
1993-06-01
1995-03-21
Skaggs, H. Grant
Sheet feeding or delivering
Feeding
By means to convey sheet
271195, 101142, B65H 500
Patent
active
053989252
ABSTRACT:
Device for achieving a flat contact of stock on a curved surface of a cylinder for transporting the stock into a printing nip includes a plurality of blowing-air bars disposed in a region between an impression cylinder and a transfer drum and upstream of the printing nip in transport direction of the stock, the blowing-air bars being directed for blowing air in a direction opposing the transport direction of the stock, at least one of the plurality of blowing-air bars being stationary and, with the other of the plurality of blowing-air bars, respectively, having a plurality of air-blowing nozzle-shaped outlets disposed in a substantially arrow-shaped arrangement on the respective circumferences thereof, the arrangement of outlets including a central outlet disposed farthest upstream of the arrangement of outlets in the transport direction so as to be a first one of the outlets to act upon a sheet being transported in the transport direction.
REFERENCES:
patent: 3341195 (1967-09-01), Brandt et al.
patent: 4869166 (1989-09-01), Mathes
patent: 5086698 (1992-02-01), Wirz
patent: 5156090 (1992-10-01), Wirz
Greenberg Laurence A.
Heidelberger Druckmaschinen AG
Lerner Herbert L.
Skaggs H. Grant
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