Printing – Stenciling – Rotary machines
Patent
1991-02-25
1992-02-25
Burr, Edgar S.
Printing
Stenciling
Rotary machines
101116, B41L 1300
Patent
active
050903128
ABSTRACT:
A mimeographic printing machine comprises a rotary cylindrical drum having an ink-penetrable tubular wall for supporting a stencil on an outer circumferential surface thereof, and a device disposed outside the cylindrical drum for holding a paper sheet between the stencil on the outer circumferential surface of the cylindrical drum to perform printing. The ink-penetrable tubular wall of the cylindrical drum has an opening communicating with a hollow interior of the cylindrical drum, and an ink-impenetrable portion ahead of the opening in the rotating direction of the cylindrical drum, with a trailing end of the ink-impenetrable portion being inserted into the opening.
REFERENCES:
patent: 4846057 (1989-07-01), Endo et al.
patent: 4911069 (1990-03-01), Hayama et al.
patent: 5060567 (1991-10-01), Hayama et al.
Burr Edgar S.
Riso Kagaku Corporation
Yan Ren
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