Stencil printing drum having squeegee and doctor roller end ink

Details Stencil printing drum having squeegee and doctor roller end ink Stencil printing drum having squeegee and doctor roller end ink

1995-03-20

1997-01-21

Funk, Stephen R.

Printing

Stenciling

Rotary machines

101119, B41L 1318, B41F 1546

Patent

active

055951147

ABSTRACT:
A stencil printing machine comprises: a rotary cylindrical drum having an ink passage part; an ink supplying roller rotatable around an axis in parallel with the central axis of the rotary cylindrical drum, the ink supplying roller being brought into contact with the inner cylindrical surface of the rotary cylindrical drum; a pair of cylindrical protrusions on both ends of the ink supplying roller, the cylindrical protrusions being smaller in outside diameter than the ink supplying roller and coaxial with the ink supplying roller; an ink coating roller arranged in parallel with the ink supplying roller, the ink coating roller applying ink onto the surface of the ink supplying roller in accordance with the ink supplying roller turning, an ink pool forming between the ink coating roller and the ink supplying roller; and a pair of ink banks are provided at both ends of the ink pool, respectively, the ink banks having sloped surfaces in contact with the cylindrical surfaces of the cylindrical protrusions, the sloped surfaces for leading the ink into the ink pool when ink leaks onto the cylindrical protrusions.

REFERENCES:
patent: 4989509 (1991-02-01), Zimmer
Patent Abstracts of Japan vol. 009 No. 333 (M-443), 27, Dec. 1985.
Patent Abstracts of Japan vol. 009 No. 313 (M-437), 10 Dec. 1985.
Patent Abstracts of Japan vol. 009 No. 224 (M-331), 13 Oct. 1984.

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