Fluid application system for a printing machine cylinder, especi

Details Fluid application system for a printing machine cylinder, especi Fluid application system for a printing machine cylinder, especi

1990-03-12

1991-09-03

Burr, Edgar S.

Printing

Inkers

Fountains

101148, 101210, 101363, B41F 3102

Patent

active

050442775

ABSTRACT:
To prevent escape of ink from a gap (A) between the edge surface (11) of a side wall portion (10) facing a printing machine roller (9) and the surface of the roller, the side wall (3), or at least the side wall portion, is upwardly, outwardly inclined, so that internal flow of printing ink within the chamber, upon rotation of the roller, will result in a resultant flow speed vector (V.sub.res) which is inclined at an angle (.beta.) which is less than the angle of inclination (.alpha.) of the side wall, and thereby push liquid away from the side wall and hence from said gap (A).

REFERENCES:
patent: 4051782 (1977-10-01), Fernandez
patent: 4058058 (1977-11-01), Hantscho
patent: 4222328 (1980-09-01), Doyle
patent: 4263848 (1981-04-01), Matalia et al.
patent: 4284005 (1981-08-01), Weigele et al.
patent: 4559871 (1985-12-01), Kutzner et al.
patent: 4682542 (1987-07-01), Wieland
patent: 4688482 (1987-08-01), Tobias
patent: 4819558 (1989-04-01), Counard

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