B - Operations – Transporting – 41 – F
Patent
B - Operations, Transporting
41
F
101/103
B41F 31/00 (2006.01) B41F 31/02 (2006.01)
Patent
CA 2005454
Abstract of the Disclosure The chambered doctor blade unit is intended to ink an anilox roller (10) with ink having a viscosity of at least 1 d Pa s and preferably greater than 40 d Pa s. Each of the side walls (3) when the inker is in operative position with respect to the anilox roller (10) form circumferential gaps (13) with respect to the anilox roller, having a width (A) of between about 0.1 to 3 mm, thereby preventing wear and tear on the side walls and sealing of the receptors or cells of the anilox roller with a braided material. The doctor blades (4, 5) are resiliently pressed against upper (20) and lower edges of the side walls, to prevent formation of undulation, the side walls being formed with recessed surfaces (11) facing the anilox roller, with abraded surfaces terminate in inclined relief surfaces (19) forming an inclined gap, to permit escape of ink adjacent the lateral surfaces. To prevent uncontrolled escape of ink, an ink deflection shield 22 extends from the outside of the side walls towards an ink trough (9) & forming a run-out chamber with the relieved surfaces,.
Hamm Anton
John Thomas
Man Roland Druckmaschinen Ag
Ridout & Maybee Llp
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