B - Operations – Transporting – 41 – L
Patent
B - Operations, Transporting
41
L
101/103
B41L 27/06 (2006.01) B41F 31/04 (2006.01)
Patent
CA 1128812
ABSTRACT OF THE DISCLOSURE The specification of the present invention discloses an ink duct for offset or letterpress printing machines with an ink metering unit having a series of juxtaposed zone-width metering elements which can be adjusted zone by zone to achieve different inking gap thicknesses. The metering elements each have support and metering areas with the support areas being in constant direct or indirect contact with the duct roller due to spring pressure. The metering areas when viewed with respect to the direction of rotation of the duct-roller are positioned after the support areas and the metering area of each metering element extends over the full zone width. This particular arrangement prevents the generation of ink free strips on the duct roller found in prior art structures due to constant contact of the support areas with the duct roller and the interrupted positioning of the metering areas.
353716
Beisel Hermann
Hofmann Gunther
Jeschke Willi
Junghans Rudi
Heidelberger Druckmaschinen Aktiengesellschaft
Johnson Douglas S. Q.c.
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