Apparatus and method for applying ink to a substrate

Details Apparatus and method for applying ink to a substrate Apparatus and method for applying ink to a substrate

B - Operations, Transporting

41

F

B41F 31/02 (2006.01) B41F 5/24 (2006.01) B41F 9/06 (2006.01) B41F 31/06 (2006.01)

Patent

CA 2094826

This invention relates to an anilox printing apparatus (20) for depositing ink onto a substrate (23) in a predetermined pat- tern. The apparatus (20) has a reservoir (22) provided with a weir (30) so that ink (24) may continuously overflow the top or end of the weir (30) and be removed from the reservoir (22) in a controlled fashion while maintaining a constant backpressure of ink (24) in the reservoir (22). This arragement provides the advantage that ink leakage and splashing caused by debris entering the nip associated with a doctor blade (26) held against the anilox roll (25) or by surface imperfections interfering with the seal formed by such a doctor blade (26) are eliminated. This also provides a printing apparatus (20) for complete coating of the peri- phery of the anilox roll (25) with ink (24) without a high pressure system.

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