Ink control for a multi-cylinder stencil duplicator

Details Ink control for a multi-cylinder stencil duplicator Ink control for a multi-cylinder stencil duplicator

1982-05-14

1984-05-08

Burr, Edgar S.

Printing

Stenciling

Stencil-web machines

101119, 101DIG24, 73304C, 118694, 118712, 324 61R, 427 10, B41L 1318, B05C 1110

Patent

active

044467915

ABSTRACT:
A multi-cylinder stencil duplicator includes ink-applying means in the form of a coating member offering a fixed nip between the coating member and a cylinder of the duplicator, ink being applied to one side of that nip and being held back as a wedge at the nip during rotation of the duplicator cylinder. The dispensing of ink to the wedge is controlled in response to variations in the capacitance between the coating member and the cylinder, so that when the ink wedge drops below a given threshold value further ink is dispensed.

REFERENCES:
patent: 3227951 (1966-01-01), Dykaar
patent: 3584579 (1971-06-01), Rothenberg
patent: 3730086 (1973-05-01), Dauterman
patent: 3847076 (1974-11-01), Vasilantone
patent: 3857095 (1974-12-01), Mitchie et al.
patent: 4253272 (1981-03-01), Berthess
patent: 4312270 (1982-01-01), Gates
patent: 4369080 (1983-01-01), Johnson

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