Printing – Inkers – Roller
Patent
1990-10-05
1991-10-29
Fisher, J. Reed
Printing
Inkers
Roller
101483, B41F 3106, B41F 3136
Patent
active
050605712
ABSTRACT:
To control the amount of ink transferred between an ink application cylinder (2) and an ink supplying cylinder (1) having a cellular surface, such as an anilox roller or another roller or cylinder having ink receptor cells and/or a further cylinder (3) such as a plate cylinder, the ink application cylinder (2) is formed with a yieldingly compressible surface and the yieldingly compressible surface is pre-compressed by application of a surface compression roller (4) thereagainst. The surface compression roller (4) deforms the yieldingly compressible surface (14) which does not expand instantaneously; it may be located in advance of engagement with the ink supplying cylinder (1) or with the plate cylinder (3) by a distance shorter than the decay distance of the compression effected by the surface compression roller. A plurality of such pre-surface compression rollers may be provided, located axially adjacent each other, to control the amount of ink being transfered to the plate cylinder in axially adjacent zones.
REFERENCES:
patent: 4290362 (1981-09-01), Kobler et al.
patent: 4363288 (1982-12-01), Fara
patent: 4372244 (1983-02-01), Rebel
patent: 4455938 (1984-06-01), Loudon
patent: 4643090 (1987-02-01), McKrell et al.
patent: 4805530 (1989-02-01), Kobler
Fisher J. Reed
MAN Roland Druckmaschinen AG
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